{"id":1383,"date":"2023-06-25T17:33:34","date_gmt":"2023-06-25T12:03:34","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=1383"},"modified":"2023-06-26T12:05:44","modified_gmt":"2023-06-26T06:35:44","slug":"3-phase-induction-motors","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/3-phase-induction-motors\/","title":{"rendered":"3 Phase Induction Motors &#8211; Electrical Engineering GK MCQ"},"content":{"rendered":"\n<p><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins><\/p>\n\n\n\n<p><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/mcqs\/3-phase-induction-motors\/#3_Phase_Induction_Motors_%E2%80%93_Electrical_Engineering_GK_MCQ_3_%E0%A4%AB%E0%A5%87%E0%A4%9C%E0%A4%BC_%E0%A4%87%E0%A4%82%E0%A4%A1%E0%A4%95%E0%A5%8D%E0%A4%B6%E0%A4%A8_%E0%A4%AE%E0%A5%8B%E0%A4%9F%E0%A4%B0%E0%A5%8D%E0%A4%B8\" >3 Phase Induction Motors &#8211; Electrical Engineering GK MCQ ( 3 \u092b\u0947\u091c\u093c \u0907\u0902\u0921\u0915\u094d\u0936\u0928 \u092e\u094b\u091f\u0930\u094d\u0938  )<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/mcqs\/3-phase-induction-motors\/#3_Phase_Induction_Motors_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\" >3 Phase Induction Motors &#8211; Electrical Engineering GK MCQ  &#8211; Previous Year Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/mcqs\/3-phase-induction-motors\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Phase_Induction_Motors_%E2%80%93_Electrical_Engineering_GK_MCQ_3_%E0%A4%AB%E0%A5%87%E0%A4%9C%E0%A4%BC_%E0%A4%87%E0%A4%82%E0%A4%A1%E0%A4%95%E0%A5%8D%E0%A4%B6%E0%A4%A8_%E0%A4%AE%E0%A5%8B%E0%A4%9F%E0%A4%B0%E0%A5%8D%E0%A4%B8\"><\/span>3 Phase Induction Motors <strong>&#8211; Electrical Engineering GK MCQ<\/strong> ( 3 \u092b\u0947\u091c\u093c \u0907\u0902\u0921\u0915\u094d\u0936\u0928 \u092e\u094b\u091f\u0930\u094d\u0938  )<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Enhance your knowledge of 3 Phase Induction Motors with this comprehensive collection of multiple-choice questions (MCQs) sourced from previous year papers of various sectors, including UPSC IAS and more. Prepare for exams, evaluate your understanding, and strengthen your expertise in induction motor theory and applications.<\/p>\n\n\n\n<p>Brief: Looking to deepen your understanding of 3 Phase Induction Motors? You&#8217;ve come to the right place! Our MCQ page offers an extensive compilation of MCQs extracted from previous year papers of esteemed exams across various sectors, including UPSC IAS and more.<\/p>\n\n\n\n<p>Tailored to meet the needs of electrical engineering aspirants, our comprehensive collection of MCQs serves as a valuable resource for exam preparation and knowledge enhancement. Each question is carefully selected from reputable sources to ensure quality and relevance.<\/p>\n\n\n\n<p>By engaging with these MCQs, you can assess your knowledge, identify areas for improvement, and sharpen your problem-solving skills. Whether you are a student, a professional seeking career growth, or an individual passionate about induction motors, our resource is designed to meet your needs.<\/p>\n\n\n\n<p>Covering a wide range of topics, including induction motor construction, working principles, starting methods, speed control, and more, our MCQs encompass the core concepts and principles of 3 phase induction motors. This ensures a comprehensive learning experience, enabling you to approach practical scenarios with confidence.<\/p>\n\n\n\n<p>Stay updated with the latest advancements in electrical engineering and gain a competitive edge by practicing with our curated collection of MCQs. Strengthen your foundation, streamline your exam preparation, and maximize your chances of success.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Phase_Induction_Motors_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\"><\/span>3 Phase Induction Motors <strong>&#8211; <strong>Electrical Engineering GK MCQ<\/strong><\/strong> <strong> &#8211; Previous Year Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<style>\r\n    \/* Quiz container *\/\r\n    .quiz-container {\r\n        max-width: 800px;\r\n        margin: 0 auto;\r\n        padding: 20px;\r\n        box-sizing: border-box;\r\n        font-family: Arial, sans-serif;\r\n    }\r\n\r\n    \/* Question *\/\r\n    .question {\r\n        background-color: #f9f9f9;\r\n        padding: 20px;\r\n        border: 1px solid #ccc;\r\n        font-size: 20px;\r\n        margin-bottom: 20px;\r\n        border-radius: 5px;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n        position: relative;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .question h4 {\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Options list *\/\r\n    .options {\r\n        list-style-type: none;\r\n        padding: 0;\r\n    }\r\n\r\n    \/* Option item *\/\r\n    .options li {\r\n        margin: 10px;\r\n        padding: 10px;\r\n        display: flex;\r\n        align-items: center;\r\n        border-radius: 5px;\r\n        border: 2px solid #ccc;\r\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\r\n    }\r\n\r\n    \/* Option number *\/\r\n    .options li span {\r\n        margin-right: 10px;\r\n        width: 20px;\r\n        height: 20px;\r\n        border-radius: 50%;\r\n        border: 2px solid black;\r\n        display: flex;\r\n        justify-content: center;\r\n        align-items: center;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Option colors *\/\r\n    .options li span.option-a {\r\n        background-color: #FFD700; \/* Yellow *\/\r\n    }\r\n\r\n    .options li span.option-b {\r\n        background-color: #FF1493; \/* Pink *\/\r\n    }\r\n\r\n    .options li span.option-c {\r\n        background-color: #00BFFF; \/* Light Blue *\/\r\n    }\r\n\r\n    .options li span.option-d {\r\n        background-color: #7CFC00; \/* Green-Yellow *\/\r\n    }\r\n\r\n    .options li span.option-e {\r\n        background-color: #EE82EE; \/* Purple-Pink *\/\r\n    }\r\n\r\n    \/* Show answer button *\/\r\n    .show-answer {\r\n        background-color: #0066CC;\r\n        color: #fff;\r\n        border: none;\r\n        padding: 8px 20px;\r\n        font-size: 20px;\r\n        cursor: pointer;\r\n        border-radius: 3px;\r\n        text-align: center;\r\n        display: inline-block;\r\n        margin-bottom: 20px;\r\n    }\r\n\r\n    \/* Answer box *\/\r\n    .answer-box {\r\n        margin: 0 auto;\r\n        padding: 10px;\r\n        font-size: 20px;\r\n        color: #61970F;\r\n        box-sizing: border-box;\r\n        display: none;\r\n    }\r\n\r\n    \/* Question header *\/\r\n    .quiz-container .question-header {\r\n        color: darkblue;\r\n        font-weight: bold;\r\n        margin-right: 10px;\r\n    }\r\n\r\n    \/* Question header and text *\/\r\n    .quiz-container .question-header,\r\n    .quiz-container .question-text {\r\n        display: inline;\r\n        font-weight: bold;\r\n    }\r\n\r\n    \/* Responsive styles *\/\r\n    @media (max-width: 767px) {\r\n        .quiz-container {\r\n            padding: 10px;\r\n        }\r\n    }\r\n<\/style>\r\n<div class=\"quiz-container\">\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Which of the following component is usually fabricated out of silicon steel ?<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163685\">Bearings<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163685\">Shaft<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163685\">Statorcore<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163685\">None of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The frame of an induction motor is usually made of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163686\">silicon steel<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163686\">cast iron<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163686\">aluminium<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163686\">bronze<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The shaft of an induction motor is made of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163687\">stiff<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163687\">flexible<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163687\">hollow<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163687\"> any of the above<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The shaft of an induction motor is made of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163688\">high speed steel<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163688\"> stainless steel<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163688\">carbon steel<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163688\">cast iron<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In an induction motor, no-load the slip is generally<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163689\"> less than 1%<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163689\">1.5%<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163689\">2%<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163689\">4%<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\"> In medium sized induction motors, the slip is generally around<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163690\">0.04%<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163690\">0.4%<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163690\">4%<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163690\">14%<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In squirrel cage induction motors, the rotor slots are usually given slight skew in orderto<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163691\">reduce windage losses<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163691\">reduce eddy currents<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163691\">reduce accumulation of dirt and dust<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163691\"> reduce magnetic hum<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In case the air gap in an induction motor is increased<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163692\">the magnetising current of the rotor will decrease<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163692\">the power factor will decrease<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163692\">speed of motor will increase<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163692\">speed of motor will increase<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Slip rings are usually made of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163693\">copper<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163693\">carbon<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163693\"> phospor bronze<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163693\">aluminium<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. willbe<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163694\">200 Hz<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163694\">50 Hz<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163694\">2 Hz<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163694\"> 0.2 Hz<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In Ns is the synchronous speed and s the slip, then actual running speed of aninduction motor will be<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163695\">Ns<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163695\">s.N,<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163695\"> (l-s)Ns<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163695\">(Ns-l)s<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The efficiency of an induction motor can be expected to be nearly<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163696\"> 60 to 90%<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163696\"> 80 to 90%<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163696\">95 to 98%<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163696\">99%<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\"> The number of slip rings on a squirrel cage induction motor is usually<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163697\">two<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163697\">three<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163697\"> four<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163697\">None of these<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The starting torque of a squirrel-cage induction motor is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163698\"> low<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163698\">negligible<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163698\">same as full-load torque<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163698\">slightly more than full-load torque<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">A double squirrel-cage induction motor has<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163699\">two rotors moving in oppsite direction<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163699\">two parallel windings in stator<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163699\">two parallel windings in rotor<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163699\"> two series windings in stator<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"c\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">Star-delta starting of motors is not possible in case of<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163700\">single phase motors<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163700\">variable speed motors<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163700\">low horse power motors<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163700\">high speed motors<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"a\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The term &#039;cogging&#039; is associated with\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163701\">three phase transformers<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163701\">compound generators<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163701\">D.C. series motors<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163701\">induction motors<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">In case of the induction motors the torque is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163702\">inversely proportional to (Vslip)<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163702\">directly proportional to (slip)<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163702\">inversely proportional to slip<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163702\">directly proportional to slip<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"d\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">An induction motor with 1000 r.p.m. speed will have\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163703\">8 poles<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163703\">6 poles<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163703\"> 4 poles<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163703\">2 poles<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n      <div class=\"question\">\r\n      <span class=\"question-header\">Question:<\/span>\r\n      <div class=\"question-text\">The good power factor of an induction motor can be achieved if the average fluxdensity in the air gap is\r\n<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_163704\">absent<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_163704\">small<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_163704\">large<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_163704\">infinity<\/label><\/li>\r\n              <\/ul>\r\n      <div class=\"answer-box\"><\/div>\r\n      <button class=\"show-answer\" data-answer=\"b\">Show Answer<\/button>\r\n    <\/div>\r\n  <\/div>\r\n<script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\r\n<script>\r\n$(document).ready(function() {\r\n  $('.show-answer').click(function() {\r\n    var answer = $(this).data('answer');\r\n    $(this).siblings('.answer-box').html('The correct answer is: ' + answer).slideDown();\r\n    $(this).hide();\r\n  });\r\n});\r\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_Important_Links\"><\/span>Some Important Links <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/mcqs\/category\/subject-wise\/geography\/\" target=\"_blank\" rel=\"noreferrer noopener\">Geography MCQs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a 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https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Free-MCQ-App-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Free GK MCQ App<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"Free-Daily-Current-Affairs-MCQ-App\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"Free Daily Current Affairs MCQ App noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2.jpg\" alt=\"Free Daily Current Affairs MCQ App\" class=\"wp-image-744\" title=\"Free Daily Current Affairs MCQ App\" srcset=\"https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2.jpg 900w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2-300x50.jpg 300w, https:\/\/edunovations.com\/mcqs\/wp-content\/uploads\/2023\/06\/Banner-current-affairs-2-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Free Daily Current Affairs MCQ App<\/figcaption><\/figure>\n\n\n\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6643489308705072\" crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"autorelaxed\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"2759669284\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>3 Phase Induction Motors &#8211; Electrical Engineering GK MCQ ( 3 \u092b\u0947\u091c\u093c \u0907\u0902\u0921\u0915\u094d\u0936\u0928 \u092e\u094b\u091f\u0930\u094d\u0938 ) Enhance your knowledge of 3 Phase Induction Motors with this comprehensive collection of multiple-choice questions (MCQs) sourced from previous year papers of various sectors, including UPSC IAS and more. Prepare for exams, evaluate your understanding, and strengthen your expertise in [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[1182],"tags":[1245,1210,1243,91,1244,589,1246,590],"class_list":["post-1383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-engineering","tag-3-phase-induction-motors","tag-electrical-engineering-exams","tag-induction-motor-theory","tag-mcqs","tag-motor-applications","tag-previous-year-papers","tag-starting-methods","tag-upsc-ias","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/1383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/comments?post=1383"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/1383\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/1391"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=1383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=1383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=1383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}