Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. zig - zag connection. V connection. delta connection. star connection. zig - zag connection. V connection. delta connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? DC series motors. None of these DC compound motors. DC shunt motors. DC series motors. None of these DC compound motors. DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor is used in paper machines? Separately excited DC motor. DC Shunt motor. DC series motor. DC compound motor. Separately excited DC motor. DC Shunt motor. DC series motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region decreases with decrease in the load torque. increases with increase in the load torque. remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. remains constant. decreases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have equal resistance on primary and secondary side maximum resistance on primary side and least resistance on secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side equal resistance on primary and secondary side maximum resistance on primary side and least resistance on secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 18.25%. 15.30%. 16.67%. 14.28%. 18.25%. 15.30%. 16.67%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
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