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SSC JE 2019-20 Technical Quiz 34
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Question 1
The impedance of a parallel LC circuit at resonance is a
Question 2
Locked rotor current of a shaded pole motor is
Question 3
Electronic soft starters are used for motors to _________.
Question 4
The normal value of the armature resistance of a D.C. motor is equal to?
Question 5
A hydraulic turbine having rated speed of 250 r.p.m. is connected to a synchronous generator. In order to produce power at 50 Hz, the number of poles required in the generator is
Question 6
A 100 kVA 3-phase, 50 Hz, 3300/400 V transformer is ∆-connected on the H.V. side and Y-connected on the L.V. side. The resistance of the h.v. Winding is 3.5Ω per phase and that of L.V. winding 0.02Ω per phase. The equivalent resistance/phase of the transformer referred to the secondary is
Question 7
Which of the following is preferred for automatic drives?
Question 8
_____is an unexcited single phase synchronous motor.
Question 9
In d.c. machines, the armature reaction m.m.f. is
Question 10
The repulsion start induction run motor is used because of:
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ESE & GATE EEGeneralApr 6ESE & GATE EE
