Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. negative. zero. positive. low. negative. zero. positive. low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC machine is made of silicon steel lamination to reduce both eddy current and hysteresis loss. reduce hysteresis loss only. increase the permeability. reduce eddy current loss only. reduce both eddy current and hysteresis loss. reduce hysteresis loss only. increase the permeability. reduce eddy current loss only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Squirrel cage IM. Slip ring IM. Three phase IM. Single phase IM. Squirrel cage IM. Slip ring IM. Three phase IM. Single phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.3. 0.54. 0.7. 1. 0.3. 0.54. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. both cooling and insulation. lubrication. insulating. cooling. both cooling and insulation. lubrication. insulating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 50% 66.3% 33.3% 57.7% 50% 66.3% 33.3% 57.7% ANSWER DOWNLOAD EXAMIANS APP