Electrical Machines In a resistance split phase motor, what is the range of torque angle? 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° 25° to 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the armature electric current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary? It will be doubled. It will becomes four times. It will remain the same. It will be halved. It will be doubled. It will becomes four times. It will remain the same. It will be halved. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 474 V 234 V 6 V 240 V 474 V 234 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at None of these region under main pole. interpole region. throughout the air gap. None of these region under main pole. interpole region. throughout the air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC shunt and level Compound motor. DC compound motor. DC series motor. DC Shunt motor. DC shunt and level Compound motor. DC compound motor. DC series motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 1 finite value 0 infinite value 1 finite value 0 infinite value ANSWER DOWNLOAD EXAMIANS APP