Electrical Machines Belt conveyors offer _______________ starting torque. high. medium. low. zero. high. medium. low. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to unity. zero. two. infinity. unity. zero. two. infinity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Differntical compound. Cummulative compound. Shunt. Series. Differntical compound. Cummulative compound. Shunt. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Decrease. None of these. Increase. Remains same. Decrease. None of these. Increase. Remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator frame in an induction motor is used to protect the whole machine. ventilate the armature. hold armature stamping in position. provide return path for the flux. protect the whole machine. ventilate the armature. hold armature stamping in position. provide return path for the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to interconnect three voltage systems. to carry extra load. None of these to suppress harmonic and unbalance in voltage. to interconnect three voltage systems. to carry extra load. None of these to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
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