Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become 4 times. double. one fourth. half. 4 times. double. one fourth. half. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate maximum power. no voltage. maximum current. maximum voltage. maximum power. no voltage. maximum current. maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be zero watt 30 W more than 30 W less than 30 W zero watt 30 W more than 30 W less than 30 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on All of these Frequency Flux density Thickness All of these Frequency Flux density Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine both the windings have thick leads armature winding has thin leads whereas field winding has thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thin leads both the windings have thick leads armature winding has thin leads whereas field winding has thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thin leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 190 A. 173 A. 127 A. 240 A. 190 A. 173 A. 127 A. 240 A. ANSWER DOWNLOAD EXAMIANS APP
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