Electrical Machines For a dc machine shunt resistance and armature resistance values are low and low high and high low and high high and low low and low high and high low and high high and low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? 1-S 1/S 2-S S 1-S 1/S 2-S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will reduce by 5 %. remain unchanged. depend on other factors. increase by 5 %. reduce by 5 %. remain unchanged. depend on other factors. increase by 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? shaded, unshaded unshaded, unshaded shaded, shaded unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded unshaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.4 0.2 0.02 0.04 0.4 0.2 0.02 0.04 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The motor will attain dangerously high speed. The speed of motor will be reduced. The armature current will reduce. DC Shunt Motor The motor will attain dangerously high speed. The speed of motor will be reduced. The armature current will reduce. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
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