Electrical Machines Secondary winding of an auto transformer is also called common winding. compensating winding. damping winding. tertiary winding. common winding. compensating winding. damping winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 14.28%. 16.67%. 15.30%. 18.25%. 14.28%. 16.67%. 15.30%. 18.25%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan wet grinders food mixers tape recorders personal computers as cooling fan wet grinders food mixers tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements regarding the speed control of dc motors : 1. ward-leonard method is suitable forconstant-torque drives 2. Ward-leonard method is suitable for constant-power drives 3. field-control method facilitates speed control below base speed 4. Armature-resistance control method is more efficient than ward-leanard method 5. Field-control method is suitable for constant-torque drives 6. Armature-resistance control method is suitable for constant-torque drives From these, the correct answer is 1, 3, 5 1, 4, 6 1, 2, 5 1, 2, 6 1, 3, 5 1, 4, 6 1, 2, 5 1, 2, 6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Squirrel cage IM. Three phase IM. Slip ring IM. Single phase IM. Squirrel cage IM. Three phase IM. Slip ring IM. Single phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of efficiency. starting torque. running torque. speed regulation. efficiency. starting torque. running torque. speed regulation. ANSWER DOWNLOAD EXAMIANS APP
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