Electrical Machines In DC generators, the residual magnetism is of the order of 2.5 %. 10 %. 15 %. 20 %. 2.5 %. 10 %. 15 %. 20 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Shunt. Differential compound. Series. Cummulative compound. Shunt. Differential compound. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the reactance voltage. dynamically induced voltage. None of these statically induced voltage. reactance voltage. dynamically induced voltage. None of these statically induced voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is 60 600 40 660 60 600 40 660 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 74 72 37 36 74 72 37 36 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is finite value 1 infinite value 0 finite value 1 infinite value 0 ANSWER DOWNLOAD EXAMIANS APP