Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Armature. Yoke. Brush. Commutator. Armature. Yoke. Brush. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as both A and B. an insulator. a coolant. inert medium. both A and B. an insulator. a coolant. inert medium. 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 2, 3, 5 1, 4, 5 1, 4 2,3 2, 3, 5 1, 4, 5 1, 4 2,3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator the voltage generated per phase is proportional to flux per pole. number of turns in coil. All of these frequency of waveform. flux per pole. number of turns in coil. All of these frequency of waveform. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the reactance voltage. None of these statically induced voltage. dynamically induced voltage. reactance voltage. None of these statically induced voltage. dynamically induced voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these slip ring induction motor squirrel cage induction motor None of these either of these slip ring induction motor squirrel cage induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
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