DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Windage loss Armature copper loss Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is 8.85% 6.77% 2.22% 4.76% 8.85% 6.77% 2.22% 4.76% ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Shunt Cumulatively compounded Series Differentially compounded Shunt Cumulatively compounded Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyratron Thermistor Thyristor Transistor Thyratron Thermistor Thyristor Transistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Speed Flux Armature current Field and armature resistance Speed Flux Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Is cheap Provides fine speed control Is simple in construction None of the listed here Is cheap Provides fine speed control Is simple in construction ANSWER DOWNLOAD EXAMIANS APP
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