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Exam Details

ESE (IES) Electrical Engineering P2 2014

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Questions 120
Duration 180 mins
Package ESE & GATE EE - Previous Year Papers

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Difficulty distribution

Medium 90 75%
Hard 17 14.2%
Easy 13 10.8%

Question type distribution

Multiple Choices 120 100%

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Sample questions from this paper

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1
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
A 200/100V, 50Hz transformer is to be excited at 40 Hz from the 100 V side. For the exciting current to remain same, the applied voltage should be
A
150 V
B
125 V
C
100 V
D
80 V
2
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
A single-phase two winding transformer is designed to operate at 400/200V, 50Hz.If the h.v. side is now energized from a 400V, 40Hz source, the no-load L.V. side voltage would be
A
300 V
B
250 V
C
200 V
D
150 V
3
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
A 100 VA, 120/12 V transformer is to be connected so as to form a step-up transformer. A primary voltage of 120 V is applied to the transformer. What is the secondary voltage of the transformer?
A
1.2 V
B
12 V
C
120 V
D
132 V
4
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
In a transformer, if the iron losses and copper losses are 40.5 kW and 50 kW respectively. Then at what fraction of load will be efficiency be maximum?
A
0.8
B
0.57
C
0.7
D
0.9
5
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
In a transformer the core loss is 100 Watt at 40Hz and 72 Watt at 30 Hz, then eddy current and hysteresis losses at 50 Hz respectively are
A
25 Watt and 105 Watt
B
100 Watt and 32 Watt
C
32 Watt and 100 Watt
D
20 Watt and 100 Watt
6
2014 · Unclassified
ESE (IES) Electrical Engineering P2 2014
The voltage regulation of a transformer having 2% resistance and 5% reactance, at full load, 0.8 pf lagging is
A
0.046
B
-0.014
C
0.064
D
-0.046