Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1200 1203 1080 1000 1200 1203 1080 1000 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be two. three. four. six. two. three. four. six. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are full pitched short pitched either of these None of these full pitched short pitched either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? Both 1 and 2. None of these A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. Both 1 and 2. None of these A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable frequency. windage friction. variable load. variable supply voltage. variable frequency. windage friction. variable load. variable supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Series. Cummulative compound. Differently compounded. Shunt. Series. Cummulative compound. Differently compounded. Shunt. ANSWER DOWNLOAD EXAMIANS APP
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