Electrical Machines Induction motors have the advantage of less cost. all of below. less maintenance. simple in construction. less cost. all of below. less maintenance. simple in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is any of the above maximum infinite value zero any of the above maximum infinite value zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Differential compound motors. Both B and C. Shunt motors. Series motors. Differential compound motors. Both B and C. Shunt motors. Series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? zero 30 rpm 1470 rpm 1500 rpm zero 30 rpm 1470 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Both B and C. None of the options. Permanent magnets. Electromagnets. Both B and C. None of the options. Permanent magnets. Electromagnets. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 11% 10% 41% 21% 11% 10% 41% 21% ANSWER DOWNLOAD EXAMIANS APP