Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 850 rpm 950 rpm 1000 rpm 900 rpm 850 rpm 950 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Reluctance motor. Slip ring induction motor. Synchronous motor. DC shunt motor. Reluctance motor. Slip ring induction motor. Synchronous motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate the use drum winding. reactance voltage produced due to communication. the use of compensating winding. the use equalizer in lap winding. the use drum winding. reactance voltage produced due to communication. the use of compensating winding. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? half load full load no load any of the above half load full load no load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound dc generator is delivering full load current at a terminal voltage of 230 V. Its series-field winding gets short circuited. If its terminal voltage 1. becomes more than 230 V, it is overcompounded generator 2. becomes more than 230 V, it is differentially compounded generator 3. becomes less than 230 V, it is overcompounded generator 4. becomes less than 230 V, it is differentially compounded generator 5. becomes less than 230 V, it is level compounded generator From these, the correct answer is 1, 4, 5 2, 3, 5 1, 4 2,3 1, 4, 5 2, 3, 5 1, 4 2,3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Capacitor split phase motor Resistance split phase motor All of these Capacitor run motor Capacitor split phase motor Resistance split phase motor All of these Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
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