Electrical Machines A series motor is efficiently suitable for constant speed operation. none of these. high starting torque operation. low starting torque operation. constant speed operation. none of these. high starting torque operation. low starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. Shunt motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. maximum torque. none. starting torque. electromagnetic torque. maximum torque. none. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 45. 30. 270. 180. 45. 30. 270. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these DC. AC. both of above. None of these DC. AC. both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its efficiency will improve its speed will increase its power factor will reduce its speed will reduce its efficiency will improve its speed will increase its power factor will reduce its speed will reduce ANSWER DOWNLOAD EXAMIANS APP