Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running at rated speed without any additional resistance in series. If an additional resistance is placedin series, the speed of motor Increases. Remains unchanged. Oscillates around the rated speed. Decreases. Increases. Remains unchanged. Oscillates around the rated speed. Decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 500. 100. 200. 750. 500. 100. 200. 750. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss Stator core loss Rotational loss All of these Stator copper loss Stator core loss Rotational loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are short pitched either of these full pitched None of these short pitched either of these full pitched None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 60 V. 90 V. 40 V. 30 V. 60 V. 90 V. 40 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
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