DC Generators The yoke of a dc machine is made of Silicon steel Soft iron Aluminum Cast steel Silicon steel Soft iron Aluminum Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Resistance Reluctance Ampere turns Flux density Resistance Reluctance Ampere turns Flux density ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field Magnetic field None of the listed here Both electrical and magnetic fields Electric field Magnetic field None of the listed here Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Frictional loss Hysteresis loss Eddy current loss Copper loss Frictional loss Hysteresis loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here One-half of Three times Two times the None of the listed here One-half of Three times Two times the ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite Excite to full voltage Excite to one half of full voltage None of the listed here Fail to excite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS