Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 350 V. 400 V. 420 V. 480 V. 350 V. 400 V. 420 V. 480 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be triangular wave. pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. square wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is both of above. AC. DC. None of these both of above. AC. DC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is zero. more than normal speed. less than normal speed. normal speed. zero. more than normal speed. less than normal speed. normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? field weakening method None of these same in both methods armature resistance control field weakening method None of these same in both methods armature resistance control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. None of these Cylindrical rotor. Salient pole rotor. Both type rotor. None of these Cylindrical rotor. Salient pole rotor. ANSWER DOWNLOAD EXAMIANS APP
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