Electrical Machines Where the shunt generators are widely used? Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where the load is very high. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where the load is very high. Where often load fluctuation is occurred. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by KefKf2Bm2. Kef2Kf2Bm. Kef2Kf2Bm2. Kef2KfBm2. KefKf2Bm2. Kef2Kf2Bm. Kef2Kf2Bm2. Kef2KfBm2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is less and maximum torque decreases more and maximum torque decreases less and maximum torque increases more and maximum torque remains constant less and maximum torque decreases more and maximum torque decreases less and maximum torque increases more and maximum torque remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, armature reaction refers to what? Effect of field flux on the armature flux. Effect of armature flux on the load. Effect of armature flux on the main field flux. None of these Effect of field flux on the armature flux. Effect of armature flux on the load. Effect of armature flux on the main field flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor start. Shaded pole type. Split phase type. Capacitor run type. Capacitor start. Shaded pole type. Split phase type. Capacitor run type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 0.9103 KW. 2.73 KW. 1.644 KW. 5.46 KW. 0.9103 KW. 2.73 KW. 1.644 KW. 5.46 KW. ANSWER DOWNLOAD EXAMIANS APP
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