Electrical Machines The induction motor shaft is made of cast iron. mild steel. aluminium. stainless steel. cast iron. mild steel. aluminium. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as None of these a synchronous motor an induction generator an induction motor None of these a synchronous motor an induction generator an induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Delta - star Star - star Star - delta Delta - delta Delta - star Star - star Star - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? Series. none of these. Shunt. Compound (cummolative). Series. none of these. Shunt. Compound (cummolative). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines How can the synchronous speed of a 3 - Φ IM be varied? Both (A) and (B). By varying the supply frequency. By varying supply voltage. By varying number of poles. Both (A) and (B). By varying the supply frequency. By varying supply voltage. By varying number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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