Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 8 2 4 12 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 500 rpm 3000 rpm 1000 rpm 1500 rpm 500 rpm 3000 rpm 1000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, armature reaction is considered equivalent to Fictitious conductance Fictitious reactance Fictitious resistance Fictitious impedance Fictitious conductance Fictitious reactance Fictitious resistance Fictitious impedance ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Diesel engines Steam turbines None of the listed here Water turbines Diesel engines Steam turbines None of the listed here Water turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the field excitation Decreasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS