Electrical Machines Lamination of transformer core is made of cast steel. wrought iron. cast iron. silicon steel. cast steel. wrought iron. cast iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 650 W 700 W 600 W 625 W 650 W 700 W 600 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ω. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is 0.96 0.95 0.87 1.06 0.96 0.95 0.87 1.06 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on both 1and 2 voltage load angle reactance both 1and 2 voltage load angle reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 2000. 0. 1000. 500. 2000. 0. 1000. 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in earthing transformer. power transformer. current transformer. voltage transformer. earthing transformer. power transformer. current transformer. voltage transformer. ANSWER DOWNLOAD EXAMIANS APP
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