Electrical Machines The wattage rating of a ceiling fan motor will be 50 - 150 W. 250 - 500 W. 10 - 20 W. 200 - 250 W. 50 - 150 W. 250 - 500 W. 10 - 20 W. 200 - 250 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 1 6 2 4 1 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A self-excited shunt generator fails to build up, because 1. the field circuit is open 2. The armature circuit is open 3. the residual magnetism is absent 4. The direction of rotation is wrong From these, the correct answer is 1, 2, 3 and 4 1, 2 and 3 1, 3 3 only 1, 2, 3 and 4 1, 2 and 3 1, 3 3 only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola hyperbola any of the above linearised parabola hyperbola any of the above linearised ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC compound motor. DC Shunt motor. Synchronous motor. DC series motor. DC compound motor. DC Shunt motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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