Electrical Machines As compared to an induction motor, the air gap in a DC motor is same. less than 50%. more. between 50% and 90%. same. less than 50%. more. between 50% and 90%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is 230 V some what less than 230 V not possible some what more than 230 V 230 V some what less than 230 V not possible some what more than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of efficiency. running torque. starting torque. speed regulation. efficiency. running torque. starting torque. speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used in both of above cases. where low voltage and high currents are involved. where high voltage and low current. None of these in both of above cases. where low voltage and high currents are involved. where high voltage and low current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 None of these wave winding lap winding both 1 and 2 None of these wave winding lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Induction motors. Universal motors. Stepper motors. Reluctance motors. Induction motors. Universal motors. Stepper motors. Reluctance motors. ANSWER DOWNLOAD EXAMIANS APP
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