Electrical Machines Equalizer rings are used in which of the followings? None of these lap winding both 1 and 2 wave winding None of these lap winding both 1 and 2 wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Amperes law. Coulombs law. Faradays law of electromagnetic induction. Newtons law. Amperes law. Coulombs law. Faradays law of electromagnetic induction. Newtons law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be 2.241 Ω. 2.781 Ω. 2.74 Ω. 25.564 Ω. 2.241 Ω. 2.781 Ω. 2.74 Ω. 25.564 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means starting the motor on load which is more than the rated load. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. starting the motor on load which is more than the rated load. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be proportional to rotor speed. proportional to square of rotor speed. constant independent of speed. zero. proportional to rotor speed. proportional to square of rotor speed. constant independent of speed. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. non uniform cylindrical. cylindrical. salient. none of these. non uniform cylindrical. cylindrical. salient. ANSWER DOWNLOAD EXAMIANS APP
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