Electrical Machines Normally for the design of transformer the ambient temperature is taken as 32°C. 45°C. 27°C. 35°C. 32°C. 45°C. 27°C. 35°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 0KVA 16KVA 4KVA 20KVA 0KVA 16KVA 4KVA 20KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Armature current and field current. Torque and field current. Armature current and torque. Power factor and field current. Armature current and field current. Torque and field current. Armature current and torque. Power factor and field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by maintaining constant excitation. running the motor on leading power factors. oscillation cannot be damped. providing damper bars in the rotor pole faces. maintaining constant excitation. running the motor on leading power factors. oscillation cannot be damped. providing damper bars in the rotor pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 15.6 Nm 16.55 Nm 15.28 Nm Zero 15.6 Nm 16.55 Nm 15.28 Nm Zero 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 450 rpm. 470 rpm. 240 rpm. 540 rpm. 450 rpm. 470 rpm. 240 rpm. 540 rpm. ANSWER DOWNLOAD EXAMIANS APP
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