DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 1.0 2.0 0.5 4.0 1.0 2.0 0.5 4.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Transistor Thermistor Thyratron Thyristor Transistor Thermistor Thyratron Thyristor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Flux only Speed only None of the listed here Both flux and speed Flux only Speed only None of the listed here Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Loss than the normal speed Zero More than the normal speed Normal speed Loss than the normal speed Zero More than the normal speed Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only ANSWER DOWNLOAD EXAMIANS APP
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