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Exam Details

2022 Electronics and Telecommunication Engineering

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Questions 150
Duration 180 mins
Package Indian Economic Service and Indian Statistical Service Examination - Previous Year Papers

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Difficulty distribution

Hard 50 33.3%
Easy 50 33.3%
Medium 50 33.3%

Question type distribution

Multiple Choices 150 100%

Syllabus

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Sample questions from this paper

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1
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
The atomic packing factor of a simple cubic structure is
A
0·42
B
0·62
C
0·52
D
0·72
2
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
For some solid materials, each atom possesses a permanent dipole moment by
A
virtue of incomplete cancellation of electron spin and/or orbital magnetic moments
B
rotation and alignment with external field
C
the presence of external field
D
rotation in opposite direction with external field
3
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
Which one of the following statements is not correct regarding laminates?
A
Paper reinforced laminates can be used in thickness ranging between 0·2 mm and 50 mm.
B
Paper reinforced laminates are used in applications involving power frequencies and voltages up to 1 kV.
C
Glass reinforced laminates make use of phenol formaldehyde as impregnant and adhesive.
D
Asbestos reinforced laminates have higher electrical characteristics than paper reinforced laminates.
4
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
Which one of the following statements is not correct regarding mercury?
A
Mercury is a heavy silver white metal.
B
The specific weight of mercury is approximately 31·55 gm/cm3.
C
Mercury is the only metal which is liquid at room temperature.
D
The boiling point of mercury is approximately 357 °C.
5
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
What is the value of interplanar spacing for (2 3 1) plane of an FCC structure whose atomic radius is 0·125 nm?
A
d₂31 = 0·443 nm
B
d₂31 = 0·343 nm
C
d₂31 = 0·094 nm
D
d₂31 = 0·194 nm
6
2022 · Unclassified
2022 Electronics and Telecommunication Engineering
When a bar is subjected to a rapidly alternating magnetic field, there is rapid extension and contraction in the length of the bar. This phenomenon is known as
A
hysteresis
B
saturation magnetization
C
magnetostriction
D
diamagnetism