Electrical Machines In an induction motor, the no-load slip is generally equal to 4 %. 1.5 %. less than 1 %. zero. 4 %. 1.5 %. less than 1 %. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. Both A and B. Inter pole winding will act in interpolar region. None of these Compensating winding will act under the pole. Both A and B. Inter pole winding will act in interpolar region. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 540 rpm. 450 rpm. 470 rpm. 240 rpm. 540 rpm. 450 rpm. 470 rpm. 240 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance only. armature resistance, leakage reactance and armature reaction. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance and leakage reactance. armature resistance only. armature resistance, leakage reactance and armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at zero speed 1000 rpm 1500 rpm 750rpm zero speed 1000 rpm 1500 rpm 750rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same phase sequence same voltage magnitude same prime mover speed same frequency same phase sequence same voltage magnitude same prime mover speed same frequency ANSWER DOWNLOAD EXAMIANS APP
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