Electrical Machines Fufuraldehyde analysis is done to determine the condition of cork gaskets used in transformer. condition of oil in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of cork gaskets used in transformer. condition of oil in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. √Ia. Ia2. Ia. 1/Ia. √Ia. Ia2. Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Fibre. Mild steel. Silicon steel. Cast iron. Fibre. Mild steel. Silicon steel. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be any of these. flexible. stiff. hollow. any of these. flexible. stiff. hollow. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called harmonics. crawling. resonance. cogging. harmonics. crawling. resonance. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Open slot type machines. Closed slot type machines. Semi closed slot type machine. Any of the above. Open slot type machines. Closed slot type machines. Semi closed slot type machine. Any of the above. ANSWER DOWNLOAD EXAMIANS APP
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