Electrical Machines In DC machine torque depends on which of the following? armature current (I) flux (φ) speed both A and B armature current (I) flux (φ) speed both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 20 %. 2.5 %. 10 %. 15 %. 20 %. 2.5 %. 10 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same voltage magnitude same frequency same phase sequence same prime mover speed same voltage magnitude same frequency same phase sequence same prime mover speed 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 Transformer oil is used as inert medium. an insulator. a coolant. both A and B. inert medium. an insulator. a coolant. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Lathes. All of this. Centrifugal pumps Blowers and fans. Lathes. All of this. Centrifugal pumps Blowers and fans. ANSWER DOWNLOAD EXAMIANS APP
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