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Exam Details

Electrical Engineering (EE) 2013 [Session 3]

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Questions 65
Duration 180 mins
Package Electrical Engineering (EE) - Previous Year Papers

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Subject distribution

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Difficulty distribution

Easy 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Electrical Engineering (EE) 2013 [Session 3] – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
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  • After three warnings, the examination window will close automatically

Syllabus

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Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]
Q.1 – Q.25 carry one mark each.

The curl of the gradient of the scalar field defined by V = 2x2y + 3y2z + 4z2x is

A
4xy aₓ + 6yz aᵧ + 8zx az
B
4aₓ + 6aᵧ + 8az
C
(4xy + 4z²) aₓ + (2x² + 6yz) aᵧ + (3y² + 8zx) az
D
0
2
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]

A continuous random variable X has a probability density function f(x) = e−x, 0 < x < ∞. Then P(X > 1) is

A
0.368
B
0.5
C
0.632
D
1.0
3
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]

The flux density at a point in space is given by B = 4xax + 2yaγ + 8zaz Wb/m2. The value of constant k must be equal to

A
−2
B
−0.5
C
+0.5
D
+2
4
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]

A single-phase transformer has no-load loss of 64 W, as obtained from an open-circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV windings, the measured loss is 81 W. The transformer has maximum efficiency when operated at

A
50.0% of the rated current.
B
64.0% of the rated current.
C
80.0% of the rated current.
D
88.8% of the rated current.
5
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]

A single-phase load is supplied by a single-phase voltage source. If the current flowing from the load to the source is 10∠−150° A and if the voltage at the load terminals is 100∠260° V, then the

A
load absorbs real power and delivers reactive power.
B
load absorbs real power and absorbs reactive power.
C
load delivers real power and delivers reactive power.
D
load delivers real power and absorbs reactive power.
6
2013 · Unclassified
Electrical Engineering (EE) 2013 [Session 3]

A source vs(t) = V cos 100πt has an internal impedance of (4 + j3) Ω. If a purely resistive load connected to this source has to extract the maximum power out of the source, its value in Ω should be

A
3
B
4
C
5
D
7