Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 25 ppm. 35 ppm. 45 ppm. 20 ppm. 25 ppm. 35 ppm. 45 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? DC differential compound motor. Slip ring induction motor. Synchronous motor. Stepper motor. DC differential compound motor. Slip ring induction motor. Synchronous motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is maximum torque. electromagnetic torque. none. starting torque. maximum torque. electromagnetic torque. none. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / E2 (E2 - V2) / E2 (E2 - V2) / V2 (V2 - E2) / V2 (V2 - E2) / E2 (E2 - V2) / E2 (E2 - V2) / V2 (V2 - E2) / V2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an induction motor. synchronous generator. synchronous motor. induction generator. induction motor. synchronous generator. synchronous motor. induction generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss increase. None of these decrease. remains constant. increase. None of these decrease. remains constant. ANSWER DOWNLOAD EXAMIANS APP
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