Electrical Machines The functions of inter poles are both 1 and 2 nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation None of these both 1 and 2 nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Newtons law. Amperes law. Faradays law of electromagnetic induction. Coulombs law. Newtons law. Amperes law. Faradays law of electromagnetic induction. Coulombs law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a step down transformer which one of the following statements is true? Secondary power is less than primary power. Secondary current is less than primary current. Number of secondary turns is more than that of primary. Number of secondary turns is less than primary turns. Secondary power is less than primary power. Secondary current is less than primary current. Number of secondary turns is more than that of primary. Number of secondary turns is less than primary turns. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? DC series motor. Synchronous motor. AC slip ring motor. Single phase induction motor. DC series motor. Synchronous motor. AC slip ring motor. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? Reluctance motor. Capacitor type induction motors. AC slip ring IM. DC series motor. Reluctance motor. Capacitor type induction motors. AC slip ring IM. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of less expensive. not suitable for rapidly changing loads. constant speed. none of above. less expensive. not suitable for rapidly changing loads. constant speed. none of above. ANSWER DOWNLOAD EXAMIANS APP
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