Electrical Machines Which single phase motor is used for a refrigerator? Universal. Repulsion. Split phase. Capacitor run. Universal. Repulsion. Split phase. Capacitor run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in direct opposition to the main poles. makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed rises. deteriorate and the speed falls. improve and the speed falls. deteriorate and the speed rises. improve and the speed rises. deteriorate and the speed falls. improve and the speed falls. deteriorate and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will decrease increase gradually and then stay at rated voltage increase to rated voltage and then may decrease remain nearly constant decrease increase gradually and then stay at rated voltage increase to rated voltage and then may decrease remain nearly constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 1. 2. 4. 8. 1. 2. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their efficiency. rating. percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
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