Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 0° less than 90° 90° Greater than 90° 0° less than 90° 90° Greater than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Closed slots. Semi closed slots. None of above. Open slots. Closed slots. Semi closed slots. None of above. Open slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the main field armature core All of these pole shoe main field armature core All of these pole shoe ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? All of these Capacitor start motor Resistance split phase motor Capacitor start capacitor run motor All of these Capacitor start motor Resistance split phase motor Capacitor start capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 pole synchronous machine is operating at 3000 rpm. Find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm) ? ωe = 1/2*ωm ωe = ωm ωe = 2*ωm ωe = 4*ωm ωe = 1/2*ωm ωe = ωm ωe = 2*ωm ωe = 4*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Current in a coil undergoing commutation is not able to get reversed completely by the end of commutation period. It is due to reactance voltage induced in the coil. None of these armature emf. coil resistance. reactance voltage induced in the coil. None of these armature emf. coil resistance. ANSWER DOWNLOAD EXAMIANS APP
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