Electrical Machines Oil is provided in an oil filled transformer for insulating. both cooling and insulation. cooling. lubrication. insulating. both cooling and insulation. cooling. lubrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? same in both methods field weakening method None of these armature resistance control same in both methods field weakening method None of these armature resistance control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become double. 4 times. one fourth. half. double. 4 times. one fourth. half. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which single phase motor is used for a refrigerator? Capacitor run. Split phase. Universal. Repulsion. Capacitor run. Split phase. Universal. Repulsion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce hysteresis loss. eddy current loss. both eddy current and hysteresis loss. ohmic loss. hysteresis loss. eddy current loss. both eddy current and hysteresis loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised hyperbola any of the above parabola linearised hyperbola any of the above parabola ANSWER DOWNLOAD EXAMIANS APP
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