{"id":1345,"date":"2023-06-25T09:09:22","date_gmt":"2023-06-25T03:39:22","guid":{"rendered":"https:\/\/edunovations.com\/mcqs\/?p=1345"},"modified":"2023-06-26T12:08:41","modified_gmt":"2023-06-26T06:38:41","slug":"dc-machines","status":"publish","type":"post","link":"https:\/\/edunovations.com\/mcqs\/dc-machines\/","title":{"rendered":"DC Machines &#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\/dc-machines\/#DC_Machines_%E2%80%93_Electrical_Engineering_GK_MCQ_%E0%A4%A1%E0%A5%80%E0%A4%B8%E0%A5%80_%E0%A4%AE%E0%A4%B6%E0%A5%80%E0%A4%A8%E0%A5%87%E0%A4%82\" >DC Machines &#8211; Electrical Engineering GK MCQ ( \u0921\u0940\u0938\u0940 \u092e\u0936\u0940\u0928\u0947\u0902 )<\/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\/dc-machines\/#DC_Machines_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\" >DC Machines &#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\/dc-machines\/#Some_Important_Links\" >Some Important Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DC_Machines_%E2%80%93_Electrical_Engineering_GK_MCQ_%E0%A4%A1%E0%A5%80%E0%A4%B8%E0%A5%80_%E0%A4%AE%E0%A4%B6%E0%A5%80%E0%A4%A8%E0%A5%87%E0%A4%82\"><\/span>DC Machines <strong>&#8211; Electrical Engineering GK MCQ<\/strong> ( \u0921\u0940\u0938\u0940 \u092e\u0936\u0940\u0928\u0947\u0902 )<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Enhance your knowledge of DC Machines with a comprehensive collection of multiple-choice questions (MCQs) sourced from previous year papers of various exams, including UPSC IAS and more. Elevate your exam preparation and deepen your understanding of DC Machines through this curated MCQ page.<\/p>\n\n\n\n<p>Brief:<\/p>\n\n\n\n<p>Welcome to our MCQ page dedicated to DC Machines! Here, you will discover a vast repository of MCQs meticulously sourced from previous year papers of esteemed exams across diverse sectors, including the renowned UPSC IAS and more. Whether you are an engineering student, a professional, or an aspiring electrical engineer, this resource is designed to help you strengthen your understanding of DC Machines and their applications.<\/p>\n\n\n\n<p>Our extensive collection of MCQs covers a wide range of topics, including DC generator principles, DC motor operation, armature winding, field winding, commutation, speed control, and more. Each question is thoughtfully crafted to test your knowledge of essential concepts and principles related to DC Machines. By attempting these MCQs, you can assess your proficiency and gain valuable insights into the intricacies of DC Machines.<\/p>\n\n\n\n<p>Preparing for exams can be a daunting task, but our MCQs provide a structured approach to studying DC Machines. Challenge yourself, measure your progress, and identify areas where you need further improvement. Engage in focused practice sessions and reinforce your understanding of DC Machines&#8217; working principles.<\/p>\n\n\n\n<p>By leveraging our curated MCQs, you can stay updated with the latest developments in DC Machines, enhance your exam preparedness, and develop a strong foundation in this important discipline. Gain the expertise required to analyze and design DC Machines effectively, and unlock new opportunities in the field of electrical engineering<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DC_Machines_%E2%80%93_Electrical_Engineering_GK_MCQ_%E2%80%93_Previous_Year_Questions\"><\/span>DC Machines <strong>&#8211; Electrical Engineering GK MCQ<\/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 DC motors, phone removal of load, will run at the maximum speed?<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161522\">series<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161522\">shunt<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161522\">communicative compound<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161522\">differential compound<\/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\">which of the following DC motors will have least percentage increase of input current, for the same percentage increase in torque<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161523\">cumulative compound<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161523\">differential compound<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161523\">shunt<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161523\">series<\/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 DC motor that draws almost same power at different loads is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161524\">communicative compound<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161524\">differential compound<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161524\">series<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161524\">shunt<\/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 DC motor most suitable for applications requiring high starting torque is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161525\">shunt<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161525\">series<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161525\">cumulative compound<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161525\"> differential compound<\/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\">accumulative compound DC motor runs at 1500 RPM on full load if its series field is short circuited its speed<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161526\"> become zero<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161526\">remains same<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161526\"> increases<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161526\">decreases<\/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\">when ADC communicative compound wound motor is loaded<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161527\">torque increases and speed decreases<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161527\">torque decreases and speed increases<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161527\">both speed and torque increases<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161527\">both speed and torque decrease<\/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\">this is and motors are used for driving<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161528\">machine tools<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161528\">centrifugal pumps<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161528\">line shafts<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161528\">all 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\">if the speed of a DC motor increases with load torque, then it is a<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161529\"> series motor<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161529\">permanent magnet<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161529\">differentially compounded motor<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161529\">communicatively compounded motor<\/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\">it is advisable to start a DC series motor with some load to<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161530\">limit the flux<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161530\">limit the current<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161530\"> limit the speed<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161530\">avoid sparking<\/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 case of DC series motor it is possible to have a no load speed if a resistance is connected across its<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161531\">field terminals<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161531\">armature terminals<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161531\">field and armature together<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161531\">it is always very high at no load<\/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\">a DC series motor must not be started on no load because it would<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161532\">not develop starting torque<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161532\">fall to start without load<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161532\">run at dangerously high speed<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161532\">draw more current without producing sufficient torqu<\/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\">when electric train is moving towards a hill, the DC motor will operate as a DC<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161533\">series motor<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161533\">series generator<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161533\">shunt motor<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161533\">shunt generator<\/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\">when the torque of DC series motor is tripled, the power approximately increases by<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161534\">33%<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161534\">50%<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161534\">75%<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161534\">1 50%<\/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 flywheel is normal fitted to<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161535\"> DC series motor driving a constant torque load<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161535\">separately excited DC motor driving pulsed torque load<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161535\">communicative li compound motor driving torque load<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161535\">differentially compound motor driving pulsed torque load<\/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 comparison to saint and compound motors, a DC series motor devolve high torque at start. it is due to its comparatively<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161536\">few series turns<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161536\">stronger series field<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161536\">larger armature current<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161536\">smaller armature resistance<\/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\">for higher value of armature current the speed of a DC motor is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161537\">proportional to armature current<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161537\">proportional to the square of armature current<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161537\">inversely proportional to armature current<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161537\">constant<\/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 mechanical output available at the DC motor shaft is equal to<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161538\">electric power input to motor<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161538\">electric power input less iron and friction losses<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161538\">electrical power input less copper losses<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161538\">electrical power input less total losses<\/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 a DC motor, the shaft torque is less than armature torque. this is due to<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161539\">eddy current loss<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161539\">hysteresis loss<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161539\">stray loss<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161539\"> all 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 horsepower obtained from the motor shaft is called the<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161540\"> IPH<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161540\">BHP<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161540\">useful output<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161540\">none of these<\/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 DC motor, which can provide zero speed regulation at full load without any controller is<\/div>\r\n      <ul class=\"options\">\r\n        <li><span class=\"option-a\">A<\/span><label for=\"optA_161541\">series<\/label><\/li>\r\n        <li><span class=\"option-b\">B<\/span><label for=\"optB_161541\">shunt<\/label><\/li>\r\n        <li><span class=\"option-c\">C<\/span><label for=\"optC_161541\">cumulative compound<\/label><\/li>\r\n        <li><span class=\"option-d\">D<\/span><label for=\"optD_161541\">differential compound<\/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>\r\n<script 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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, 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including UPSC IAS and more. Elevate your exam preparation and deepen your understanding of DC Machines through this curated MCQ page. Brief: [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1351,"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":[1197,1199,1196,1194,1200,121,1198,589,1201,590],"class_list":["post-1345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-engineering","tag-armature-winding","tag-commutation","tag-dc-generator","tag-dc-machines-mcqs","tag-dc-motor","tag-exam-preparation","tag-field-winding","tag-previous-year-papers","tag-speed-control","tag-upsc-ias","entry","has-media"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/1345","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=1345"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/posts\/1345\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media\/1351"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/media?parent=1345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/categories?post=1345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/mcqs\/wp-json\/wp\/v2\/tags?post=1345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}