Electrical Machines The material used for commutator brushes is mostly carbon. cast iron. copper. mica. carbon. cast iron. copper. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? Squirrel Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. Squirrel Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Shaded pole motor. Stepper motor. Hysteresis motor. Reluctance motor. Shaded pole motor. Stepper motor. Hysteresis motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is shunt. series. differential compound. cumulative compound. shunt. series. differential compound. cumulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. over excitation. any of these. vibrations. heating. over excitation. any of these. vibrations. ANSWER DOWNLOAD EXAMIANS APP
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