Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0 1 any of the above 0.5 0 1 any of the above 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. the starting torque becomes low. the starting current will be enormously high. the motor may run away. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where The speed in both the direction is required. The accuracy in speed control is required. All of above. Very fine speed control over the whole range from zero to normal speed is required. The speed in both the direction is required. The accuracy in speed control is required. All of above. Very fine speed control over the whole range from zero to normal speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is Greater than 1. 0.25. 0.5. near to 1. Greater than 1. 0.25. 0.5. near to 1. 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 series generator. short - shunt generator. shunt generator. level compound. series generator. short - shunt generator. shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be about 100 V. zero. very small, say about 2 or 3 V. 250 V. about 100 V. zero. very small, say about 2 or 3 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
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