Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. wound. linear. none of these. cage. wound. linear. none of these. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be equal to core loss. zero. less than core loss. more than core loss. equal to core loss. zero. less than core loss. more than core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in in both machines. synchronous motor. none of above. induction motor. in both machines. synchronous motor. none of above. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Insulation requirement is less. Collecting of large current is simple. All of these Operating cost is less. Insulation requirement is less. Collecting of large current is simple. All of these Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Series. Differently compounded. Cummulative compound. Shunt. Series. Differently compounded. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating magnetic lux. alternating electric flux. constant magnetic flux. increasing magnetic flux. alternating magnetic lux. alternating electric flux. constant magnetic flux. increasing magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
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