Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 20KVA 0KVA 16KVA 4KVA 20KVA 0KVA 16KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? AC slip ring IM. Reluctance motor. DC series motor. Capacitor type induction motors. AC slip ring IM. Reluctance motor. DC series motor. Capacitor type induction motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1200 1203 1080 1000 1200 1203 1080 1000 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using zig - zag connection. star connection. V connection. delta connection. zig - zag connection. star connection. V connection. delta connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of carbon. stainless steel. phosphor bronze. aluminium. carbon. stainless steel. phosphor bronze. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a dc motor the ratio Eb / E is indicative of ratio of starting to running current. efficiency. ratio of starting to running torque. ratio of input to output voltage. ratio of starting to running current. efficiency. ratio of starting to running torque. ratio of input to output voltage. ANSWER DOWNLOAD EXAMIANS APP
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