Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 940 rpm 975 rpm 1000 rpm 950 rpm 940 rpm 975 rpm 1000 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Three phase IM. Squirrel cage IM. Single phase IM. Slip ring IM. Three phase IM. Squirrel cage IM. Single phase IM. Slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used None of these to act as an oil storage. to take up the expansion of oil due to temperature rise. for better cooling of transformer. None of these to act as an oil storage. to take up the expansion of oil due to temperature rise. for better cooling of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 16. 32. 4. 8. 16. 32. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 0.3 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is AC series motor. universal motor. repulsion motor. reluctance motor. AC series motor. universal motor. repulsion motor. reluctance motor. ANSWER DOWNLOAD EXAMIANS APP