Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Starting torque. Speed regulation. Effiency. Running Torque. Starting torque. Speed regulation. Effiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at half load. copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. copper loss at any load. copper loss at full load. copper loss at over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? both A and B variable loss constant loss None of these both A and B variable loss constant loss None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 36 74 72 37 36 74 72 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 120°. 90°. 30°. 60°. 120°. 90°. 30°. 60°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 1 mg of KOH / gm. 2 mg of KOH / gm. 0.3 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. 2 mg of KOH / gm. 0.3 mg of KOH / gm. 0.5 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP