Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. Full load. No load. Low load. None of these. Full load. No load. Low load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will None of these not changed increase decrease None of these not changed increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? All of these Copper loss Iron loss Rotational loss All of these Copper loss Iron loss Rotational loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be inversely proportional to MVA rating of transformers. such that actual impedance of all transformers would be same. same. proportionate to MVA rating of transformers. inversely proportional to MVA rating of transformers. such that actual impedance of all transformers would be same. same. proportionate to MVA rating of transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Lathes. Blowers and fans. Centrifugal pumps All of this. Lathes. Blowers and fans. Centrifugal pumps All of this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 0.2 ohm 100 ohm 10 ohm 2 ohm. 0.2 ohm 100 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP