DC Generators The purpose of providing dummy coils in a generator is To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here One-half of Two times the Three times None of the listed here One-half of Two times the Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Generated voltage is small Terminal voltage drops considerably Shunt field circuit has high resistance It is expensive Generated voltage is small Terminal voltage drops considerably Shunt field circuit has high resistance It is expensive ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 360 V 60 V 250 V 1500 V 360 V 60 V 250 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Copper Cast iron Carbon Mica Copper Cast iron Carbon ANSWER DOWNLOAD EXAMIANS APP
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