Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on both 1and 2 excitation load angle synchronous reactance both 1and 2 excitation load angle synchronous reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 127 A. 190 A. 240 A. 173 A. 127 A. 190 A. 240 A. 173 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Stepper motor. Shaded pole motor. Reluctance motor. Hysteresis motor. Stepper motor. Shaded pole motor. Reluctance motor. Hysteresis motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to vary the armature resistance. none of above. control field current. limit the armature current. vary the armature resistance. none of above. control field current. limit the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to 1/V supply voltage V 1/V² V² 1/V supply voltage V 1/V² V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 2.5Hz 51.5Hz 48.5Hz 1.5Hz 2.5Hz 51.5Hz 48.5Hz 1.5Hz ANSWER DOWNLOAD EXAMIANS APP
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