Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.04 0.02 0.4 0.2 0.04 0.02 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Resistance split phase motor Capacitor start capacitor run motor All of these Capacitor start motor Resistance split phase motor Capacitor start capacitor run motor All of these Capacitor start motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 3200 W and 5200 W 3200 W and 2500 W 1600 W and 5000 W 1600 W and 1250 W 3200 W and 5200 W 3200 W and 2500 W 1600 W and 5000 W 1600 W and 1250 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. None of these Turbo alternators. Aame in both alternators. Hydro alternators. None of these Turbo alternators. Aame in both alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? field weakening method armature resistance control same in both methods None of these field weakening method armature resistance control same in both methods None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor helps in energy conversion. aids applied voltage. regulates its armature voltage. exceeds supply voltage helps in energy conversion. aids applied voltage. regulates its armature voltage. exceeds supply voltage ANSWER DOWNLOAD EXAMIANS APP
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