Electrical Machines Which of the following will vary the maximum torque? None of these both 1 and 2 rotor resistance R rotor reactance X None of these both 1 and 2 rotor resistance R rotor reactance X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 7%. 8.9%. 14%. 0%. 7%. 8.9%. 14%. 0%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? both A and B variable loss constant loss None of these both A and B variable loss constant loss None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Shunt motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Series motor with interpoles. Shunt motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Series motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? K × input power None of these both A and B (1-K) × input power K × input power None of these both A and B (1-K) × input power ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for separately excited motors. differential compound motors. shunt motors. series motors. separately excited motors. differential compound motors. shunt motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
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