DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Differentially compounded Under compounded Level compounded Cumulatively compounded Differentially compounded Under compounded Level compounded Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque All of these Operating speed Full-load current Starting torque All of these Operating speed Full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Shunt motor Cummulative compounded motor Differentially compounded motor Series motor Shunt motor Cummulative compounded motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Infinitely large Low Around 500 Ω 1000 Ω Infinitely large Low Around 500 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Eddy current losses Copper losses Windage losses Hysteresis losses Eddy current losses Copper losses Windage losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
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