DC Motors Which of the following methods gives the greatest braking torque? Plugging Regenerative braking None of the listed here Rheostatic braking Plugging Regenerative braking None of the listed here Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Machine tools Cranes Hoist Trains Machine tools Cranes Hoist Trains ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will run at very high speed Motor will not run at all Motor will run at very slow speed Motor will burn Motor will run at very high speed Motor will not run at all Motor will run at very slow speed 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% 2.22% 4.76% 6.77% 8.85% 2.22% 4.76% 6.77% ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Speed only Flux only Both flux and speed None of the listed here Speed only Flux only Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The power drawn in kW The power drawn in kVA The gross power The output power available at the shaft The power drawn in kW The power drawn in kVA The gross power The output power available at the shaft ANSWER DOWNLOAD EXAMIANS APP
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