Electrical Machines Dynamic braking can be used for compound motors. All of these series motors. shunt motors. compound motors. All of these series motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 940 rpm 1000 rpm 975 rpm 950 rpm 940 rpm 1000 rpm 975 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Cummulative compound. Series. Differently compounded. Shunt. Cummulative compound. Series. Differently compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 50 V. 230.2 V. 100 V. 399 V. 50 V. 230.2 V. 100 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 720 to 920. 375 to 500. 500 to 720. 1440 to 2880. 720 to 920. 375 to 500. 500 to 720. 1440 to 2880. ANSWER DOWNLOAD EXAMIANS APP
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