DC Generators In a dc generator, the eddy current power loss is None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 580 V 640 V 620 V 600 V 580 V 640 V 620 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is similar for all types of generators May be same or different Is different for different generators None of the listed here Is similar for all types of generators May be same or different Is different for different generators None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 50 150 10 100 50 150 10 100 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS