Electrical Machines Slip exists in synchronous motor. none of above. in both machines. induction motor. synchronous motor. none of above. in both machines. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature or field connections. shunt field connections. series field connections. armature connections. armature or field connections. shunt field connections. series field connections. armature connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then I1 = I2 None of these I1 < I2 I1 > I2 I1 = I2 None of these I1 < I2 I1 > I2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of eddy current losses. mechanical losses. hysteresis losses. ohmic losses. eddy current losses. mechanical losses. hysteresis losses. ohmic losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because It starts the motor. None of these it limits the starting current to a safe value. it limits the speed of the motor. It starts the motor. None of these it limits the starting current to a safe value. it limits the speed of the motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant current control constant power control constant voltage control constant torque control constant current control constant power control constant voltage control constant torque control ANSWER DOWNLOAD EXAMIANS APP
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