Electrical Machines If an induction machine is run at above the synchronous speed it acts as an induction generator a synchronous motor an induction motor None of these an induction generator a synchronous motor an induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Fibre. Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause less heating of the rotor. all of these. negative sequence current. less heating of the rotor. less heating of the rotor. all of these. negative sequence current. less heating of the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed reduce slightly. increase proportional. increased slightly. remains constant. reduce slightly. increase proportional. increased slightly. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. None of them. Shunt. Compound. Series. None of them. Shunt. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts Both AC to DC and DC to AC. high voltage DC to low voltage DC. none of these. AC to DC. Both AC to DC and DC to AC. high voltage DC to low voltage DC. none of these. AC to DC. ANSWER DOWNLOAD EXAMIANS APP
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