Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 40% 19% 10% 5% 40% 19% 10% 5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. cylindrical. salient. none of these. non uniform cylindrical. cylindrical. salient. none of these. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Closed slot type machines. Any of the above. Semi closed slot type machine. Open slot type machines. Closed slot type machines. Any of the above. Semi closed slot type machine. Open slot type machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase to rated voltage and then may decrease increase gradually and then stay at rated voltage remain nearly constant decrease increase to rated voltage and then may decrease increase gradually and then stay at rated voltage remain nearly constant decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 44 A. 400 A. 40 A. 440 A. 44 A. 400 A. 40 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? DC machine Induction machine All of these Synchronous machine DC machine Induction machine All of these Synchronous machine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS