Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its power factor will reduce its speed will reduce its efficiency will improve its speed will increase its power factor will reduce its speed will reduce its efficiency will improve its speed will increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. in both machines. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high staring torque only. high staring torque and high power factor. high power factor only. none. high staring torque only. high staring torque and high power factor. high power factor only. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of less than 90° 0° Greater than 90° 90° less than 90° 0° Greater than 90° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During hunting of a synchronous motor field excitation increases. negative phase sequence currents are generated. damper bar develops torque. harmonic are developed in the armature circuit. field excitation increases. negative phase sequence currents are generated. damper bar develops torque. harmonic are developed in the armature circuit. ANSWER DOWNLOAD EXAMIANS APP
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