Electrical Machines Commonly used starters of cage motor is both A and B. DOL. None of these star delta. both A and B. DOL. None of these star delta. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of oil in transformer. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is Both are correct. DC Shunt Motor Synchronous motor. None of these Both are correct. DC Shunt Motor Synchronous motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Increases. Decreases. Remain unchanged None of above. Increases. Decreases. Remain unchanged None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I and P V, I/2 and P/2 V/2, I/2 and P/4 V/2, I and P/2 V, I and P V, I/2 and P/2 V/2, I/2 and P/4 V/2, I and P/2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. power factor. speed. magnetizing current. air gap flux. power factor. speed. magnetizing current. air gap flux. ANSWER DOWNLOAD EXAMIANS APP
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