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Exam Details

ESE PRELIMS PAPER 2 (TECHNICAL) 2021

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Questions 150
Duration 180 mins
Package ESE & GATE EE - Previous Year Papers

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Difficulty distribution

Medium 106 70.7%
Hard 40 26.7%
Easy 4 2.7%

Question type distribution

Multiple Choices 150 100%

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Sample questions from this paper

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1
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
A point charge of 10–9 C is placed at a point A in free space. What is the intensity of electrostatic field on the surface of a sphere of radius 5 cm at centre A?
(Take = 9 x 109SI unit)
A
1800 V/m
B
3600 V/m
C
2820 V/m
D
5360 V/m
2
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
A generator develops 250 V and has an internal resistance of 100 ohm. If the load resistance is 100 ohm, then what is the efficiency of the generator ?
A
0.8
B
0.5
C
0.7
D
0.6
3
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
A coil resistance 30 Ω and inductance 0.6 H is switched on to a 240 V supply. What are the rate of change of current at the instant of closing the switching at t =0 and the magnitude of the final steady state current respectively?
A
80 A/sec and 80 A
B
400 A/sec and 8 A
C
400 A/sec and 80 A
D
8 A/sec and 80 A
4
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
A current of 10 A flows in a circuit with a 30° angle of lag when the applied voltage is 100V. What are the values of resistance and reactance in the circuit respectively.
A
8.66 Ω and 5 Ω
B
6.66 Ω and 4 Ω
C
4 Ω and 6.66 Ω
D
5 Ω and 8.66 Ω
5
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
Consider the following statements regarding reciprocity theorem
1. In any passive linear bilateral network, if the single voltage source Vx in branch x produces the current response Iyin branch y, then the removal of the voltage source from branch and its insertion inbranch y will produce the current response Iy in branch x.
2. The interchange of an ideal voltage source and an ideal ammeter in any passive, linear, bilateral circuit will not change the ammeter reading.
3. The interchange of an ideal current source and an ideal voltmeter in any passive linear bilateral circuit will change the voltmeter reading.
Which of the above statements are correct?
A
1 and 3 only
B
1 and 2 only
C
1,2 and 3
D
2 and 3 only
6
2021 · Unclassified
ESE PRELIMS PAPER 2 (TECHNICAL) 2021
What is the value of v0 in the given circuit?
A
12 V
B
6 V
C
24 V
D
15 V