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SSC JE 2019-20 Technical Quiz 86
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Question 1
In a shaded pole motor, shading coil is used to
Question 2
The meter constant of a single-phase 240 V induction watthour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.8 p.f. lagging will be
Question 3
A dynamometer type instrument can be used on
Question 4
Which of the following represents the relation between the line voltage and the phase voltage for the star connected load?
Question 5
The purpose of using dummy coil in D.C. machines is to
Question 6
A generating station supplies the following loads 15000 kW, 12000 kW, 8500 kW, 6000 kW and 450 kW. The station has maximum demand of 22000 kW. Calculate the diversity factor.
Question 7
For a 3-phase, 4-pole, 50 Hz synchronous motor the frequency, no. of poles, and the load torque are all halved. The motor speed will be
Question 8
The efficiency of a loo KVA transformer is 0.98 at full as well as half load. For this transformer at full load the copper loss
Question 9
How many units are supplied by a motor developing 2 HP (British) for 6 hours (Take 1 unit = 1 KWhr)?
Question 10
If copper loss of transformer at th full load is 4900 W, then its full load copper loss would be
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ESE & GATE EEGeneralMay 28ESE & GATE EE