Electrical Machines Slot wedges in a dc machine is made up of mild steel. cast iron. silicon steel. fibre. mild steel. cast iron. silicon steel. fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Armature. Brush. Yoke. Commutator. Armature. Brush. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? All of these Stator copper loss Rotational loss Stator core loss All of these Stator copper loss Rotational loss Stator core loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes 4 time the initial value 1/2 of the initial value 1/4 of the intial value twice the initial value 4 time the initial value 1/2 of the initial value 1/4 of the intial value twice the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? both 1 and 2 None of these below rated speed above rated speed both 1 and 2 None of these below rated speed above rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at region under main pole. None of these interpole region. throughout the air gap. region under main pole. None of these interpole region. throughout the air gap. ANSWER DOWNLOAD EXAMIANS APP