Electrical Machines What is the phase difference between two windings of A.C servomotor ? 60°. 30°. 90°. 120°. 60°. 30°. 90°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process how alternate flux affects the main field flux. by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. how alternate flux affects the main field flux. by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. always opened. none. always closed. semi closed or semi opened. always opened. none. always closed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Centrifugal pumps Lathes. Blowers and fans. All of this. Centrifugal pumps Lathes. Blowers and fans. All of this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve current level. Improve power level. Improve power factor. Improve voltage level. Improve current level. Improve power level. Improve power factor. Improve voltage level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire as it carries large load current. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. to provide large flux. as it carries large load current. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
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