Pole changing method of speed control is used in
Pole changing method of speed control is used in
| Note: | The above multiple-choice question is for all general and Competitive Exams in India. |
Electrical Engineering
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Question: A. slip ring induction motor B. dc shunt motor C. dc series motor D. squirrel cage induction motor. Answer» d. squirrel cage induction motor. -
To get speed higher than the base speed of the dc shunt motor
Question: To get speed higher than the base speed of the dc shunt motor
A. armature resistance control is used B. field resistance control is used C. armature voltage control is used D. none of these. Answer» b. field resistance control is used Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Lag compensation leads to:
Question: Lag compensation leads to:
A. increases bandwidth B. attenuation C. increases damping factor D. second order Answer» b. attenuation Note: The above multiple-choice question is for all general and Competitive Exams in India. -
The disadvantages of the error constants are:
Question: The disadvantages of the error constants are:
A. they do not give the information of the steady state error when the inputs are other than the three basic types B. error constant fail to indicate the exact manner in which the error function change with time. C. they do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time D. they give information of the steady state error Answer» c. they do not give information of the steady state error and fail to indicate the exact manner in which the error function change with time Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Lead compensation leads to:
Question: Lead compensation leads to:
A. increases bandwidth B. attenuation C. increases damping factor D. second order Answer» a. increases bandwidth Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Which one of the following methods can determine the closed loop system resonance frequency operation?
Question: Which one of the following methods can determine the closed loop system resonance frequency operation?
A. root locus method B. nyquist method C. bode plot D. m and n circle Answer» d. m and n circle Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Which principle specifies the relationship between enclosure of poles & zeros by s- plane contour and the encirclement of origin by q(s) plane contour?
Question: Which principle specifies the relationship between enclosure of poles & zeros by s- plane contour and the encirclement of origin by q(s) plane contour?
A. argument B. agreement C. assessment D. assortment Answer» a. argument Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Consider the system represented by the equation given below. What would be the total phase value at ω = 0?
Question: Consider the system represented by the equation given below. What would be the total phase value at ω = 0?
A. -90° B. -180° C. -270° D. -360° Answer» c. -270° Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Scientist Bode have contribution in :
Question: Scientist Bode have contribution in :
A. asymptotic plots B. polar plots C. root locus technique D. constant m and n circle Answer» a. asymptotic plots Note: The above multiple-choice question is for all general and Competitive Exams in India. -
Derivative output compensation:
Question: Derivative output compensation:
A. improvement in transient response B. reduction in steady state error C. reduction is settling time D. increase in damping constant Answer» c. reduction is settling time Note: The above multiple-choice question is for all general and Competitive Exams in India.