Electrical Machines Which type of motors are preferred in lifts? DC compound motors. DC shunt motors. DC series motors. None of these DC compound motors. DC shunt motors. DC series motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on Z. none of these. P and Z. P. Z. none of these. P and Z. P. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? peaky in nature saddle shape triangular flat tapped or trapezoidal peaky in nature saddle shape triangular flat tapped or trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is split phase. capacitor start. capacitor run. shaded pole type. split phase. capacitor start. capacitor run. shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs either of these. decrease. None of these increase. either of these. decrease. None of these increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased both power angle and power factor increase power angle decrease and power factor increase both power angle and power factor decrease power angle increase and power factor decrease both power angle and power factor increase power angle decrease and power factor increase both power angle and power factor decrease power angle increase and power factor decrease ANSWER DOWNLOAD EXAMIANS APP
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