Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 8 KW. 10 KW. 0. 2 KW. 8 KW. 10 KW. 0. 2 KW. 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 squirrel cage induction motors are provided with blades in order to balance the rotor dynamically. facilitate cooling of rotor. none of these. eliminate noise. balance the rotor dynamically. facilitate cooling of rotor. none of these. eliminate noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following generators are used in arc welding? series generators cumulative compound generators differential compound generators shunt generators series generators cumulative compound generators differential compound generators shunt generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the reactance voltage. dynamically induced voltage. statically induced voltage. None of these reactance voltage. dynamically induced voltage. statically induced voltage. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will develop very low starting torque. start automatically without trouble. not start automatically. get damaged. develop very low starting torque. start automatically without trouble. not start automatically. get damaged. ANSWER DOWNLOAD EXAMIANS APP
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