Electrical Machines Speed of DC motor can be controlled by varying all of these. resistance of armature culture. applied voltage. its flux oer pole. all of these. resistance of armature culture. applied voltage. its flux oer pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Any of the above. Open slot type machines. Semi closed slot type machine. Closed slot type machines. Any of the above. Open slot type machines. Semi closed slot type machine. Closed slot type machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? Fractional horse power slow speed motor. Hermetically sealed motor of refrigerator. Fractional horse power high speed motor. 50 MW generator in a power plant. Fractional horse power slow speed motor. Hermetically sealed motor of refrigerator. Fractional horse power high speed motor. 50 MW generator in a power plant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of None of these DC machines bellow 5 kW. fractional kW DC machines. DC machines above 10 kW. None of these DC machines bellow 5 kW. fractional kW DC machines. DC machines above 10 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type short - shunt generator. shunt generator. level compound. series generator. short - shunt generator. shunt generator. level compound. series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of slip ring induction motor. hysteresis motor. squirrel cage induction motor. stepper motor. slip ring induction motor. hysteresis motor. squirrel cage induction motor. stepper motor. ANSWER DOWNLOAD EXAMIANS APP
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