Electrical Machines The no load current in a transformer lags the applied voltage by about 115°. 0°. about 75°. 90°. about 115°. 0°. about 75°. 90°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then None of these the machine will share load equally. the machine with more drooping characteristic will supply more load. the machine with more drooping characteristic will supply less load. None of these the machine will share load equally. the machine with more drooping characteristic will supply more load. the machine with more drooping characteristic will supply less load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept depends on the material of stator and the rotor. air gap does not matter. as small as possible. as wide as possible. depends on the material of stator and the rotor. air gap does not matter. as small as possible. as wide as possible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to reduce magnetising current and improve power factor increase pull out torque decrease starting torque improve starting torque reduce magnetising current and improve power factor increase pull out torque decrease starting torque improve starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² 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 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 both the windings have thick leads armature winding has thin leads whereas field winding has thick leads ANSWER DOWNLOAD EXAMIANS APP
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