DC Generators The purpose of providing dummy coils in a generator is 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 To enhance flux density To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency None of the listed here Electrical efficiency Overall efficiency Mechanical efficiency None of the listed here Electrical efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 100 3200 1600 800 100 3200 1600 800 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. One-half of None of the listed here Three times Two times the One-half of None of the listed here Three times Two times the ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles + 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to Number of poles Commutator pitch None of the listed here Number of pairs of poles Number of poles Commutator pitch None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP