Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at 1500 rpm zero speed 750rpm 1000 rpm 1500 rpm zero speed 750rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of None of these dynamically and statically induced emf. dynamically induced emf. statically induced emf. None of these dynamically and statically induced emf. dynamically induced emf. statically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are none of these. longitudinal. radial. radial as well as longitudinal. none of these. longitudinal. radial. radial as well as longitudinal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? None of these. Poly-phase induction motor. Poly-phase synchronous machine. Single phase induction motor. None of these. Poly-phase induction motor. Poly-phase synchronous machine. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 3 or 4 0 1 2 3 or 4 0 1 2 ANSWER DOWNLOAD EXAMIANS APP
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