DC Generators The brush voltage drop in dc machine is about _______ 20 V 0.1 V 2 V 10 V 20 V 0.1 V 2 V 10 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Bush bearings Magnetic bearings Needle bearings Ball bearings Bush bearings Magnetic bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as More than Less than None of the listed here About the same as More than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron 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 ______ 3200 100 1600 800 3200 100 1600 800 ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is amenable to better voltage control Has all above features Has exciting current independent of load current Is more stable Is amenable to better voltage control Has all above features Has exciting current independent of load current Is more stable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS