Electrical Machines At stand still condition the value of slip is 1 infinite value 0 finite value 1 infinite value 0 finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K² R1 /K K²R1 K×R1 R1 /K² R1 /K K²R1 K×R1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. None of these Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. None of these Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is s. 2 + s. 1 - s. 2 - s. s. 2 + s. 1 - s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 250 A. 570 A. 340 A. 460 A. 250 A. 570 A. 340 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is 0.02 pu. 0.08 pu. 0.01 pu. 0.16 pu. 0.02 pu. 0.08 pu. 0.01 pu. 0.16 pu. ANSWER DOWNLOAD EXAMIANS APP