Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is leading. unity. zero. lagging. leading. unity. zero. lagging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Squirrel cage IM. Slip ring IM. Double cage motor. Synchronous motor. Squirrel cage IM. Slip ring IM. Double cage motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It develops high starting torque. It consume less power. It runs at very high speed at light load. It is cheaper in cost. It develops high starting torque. It consume less power. It runs at very high speed at light load. It is cheaper in cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 30 volts. 10 volts. 20 volts. 40 volts. 30 volts. 10 volts. 20 volts. 40 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? any of the above half load full load no load any of the above half load full load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance, leakage reactance and armature reaction. armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance, leakage reactance and armature reaction. armature resistance only. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. ANSWER DOWNLOAD EXAMIANS APP