DC Generators In a wave winding, the commutator pitch is approximately equal to Twice the pole pitch None of the listed here Pole pitch Thrice the pole pitch Twice the pole pitch None of the listed here Pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Back pitch None of the listed here Front pitch Commutator pitch Back pitch None of the listed here Front pitch Commutator pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics unequal speed regulation of their primemovers ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Decrease the total flux Increase the total flux Make the air gap flux uniform None of the listed here Decrease the total flux Increase the total flux Make the air gap flux uniform None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS