Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 50 - 150 W. 10 - 20 W. 250 - 500 W. 200 - 250 W. 50 - 150 W. 10 - 20 W. 250 - 500 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at lagging power factor. any of the above. unity power factor. leading power factor. lagging power factor. any of the above. unity power factor. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following generators are used in arc welding? differential compound generators shunt generators cumulative compound generators series generators differential compound generators shunt generators cumulative compound generators series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 2000. 0. 500. 1000. 2000. 0. 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Supply voltage. Field excitaion. Armature current. Armature voltage. Supply voltage. Field excitaion. Armature current. Armature voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
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