Electrical Machines In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is 0.01 pu. 0.08 pu. 0.02 pu. 0.16 pu. 0.01 pu. 0.08 pu. 0.02 pu. 0.16 pu. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC series motor. DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. DC series motor. DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 96% 94% 92% 95% 96% 94% 92% 95% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and high voltage low current and high voltage high current and low voltage low current and low voltage high current and high voltage low current and high voltage high current and low voltage low current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately any of the above parabola linearised hyperbola any of the above parabola linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Low load. No load. Full load. None of these. Low load. No load. Full load. None of these. ANSWER DOWNLOAD EXAMIANS APP