Electrical Machines Universal motor have which of the following application? Food mixer. Domestic pump. Lift. Traction. Food mixer. Domestic pump. Lift. Traction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The polarity of a DC generator can be reversed by increasing field current. reversing the field current. reversing field electric current as well as direction of rotation. any of above. increasing field current. reversing the field current. reversing field electric current as well as direction of rotation. any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of eddy current loss total iron losses hysteresis loss copper loss eddy current loss total iron losses hysteresis loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor decreases. remains same. None of these increases. decreases. remains same. None of these increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.72. 0.62. 0.25. 1.24. 0.72. 0.62. 0.25. 1.24. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are None of these both 1 and 2 power due to saliency or reluctance only excitation power only None of these both 1 and 2 power due to saliency or reluctance only excitation power only ANSWER DOWNLOAD EXAMIANS APP
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