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Exam Details

2016 E & T Engineering Paper - II_2

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Questions 120
Duration 180 mins
Package Indian Economic Service and Indian Statistical Service Examination - Previous Year Papers

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Showing all 120 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 40 33.3%
Medium 40 33.3%
Hard 40 33.3%

Question type distribution

Multiple Choices 120 100%

Syllabus

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Sample questions from this paper

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1
2016 · Unclassified
2016 E & T Engineering Paper - II_2
A single-stage amplifier has a voltage gain of 100. The load connected to the collector is 500 and its input impedance is 1 k. Two such stages are connected in cascade through an R-C coupling. The overall gain is
A
10000
B
666666
C
5000
D
166666
2
2016 · Unclassified
2016 E & T Engineering Paper - II_2
Assuming VCE (Sat) = 03 V for a Silicon transistor at ambient temperature of 25C and hFE = 50, the minimum base current IB required to drive the transistor into saturation for the circuit shown is [IMAGE] [IMAGE]
A
64 A
B
78 A
C
94 A
D
140 A
3
2016 · Unclassified
2016 E & T Engineering Paper - II_2
Which of the following regions of operation are mainly responsible for heating of the transistor under switching operation ? 1. Saturation region 2. Cut-off region 3. Transition from saturation to cut-off 4. Transition from cut-off to saturation Select the correct answer using the codes given below :
A
1, 2, and 4 only
B
1, 3, and 4 only
C
2 and 3 only
D
1 and 3 only
4
2016 · Unclassified
2016 E & T Engineering Paper - II_2
In a sinusoidal oscillator, sustained oscillations will be produced only if the loop gain (at the oscillation frequency) is
A
Less than unity but not zero
B
Zero
C
Unity
D
Greater than unity
5
2016 · Unclassified
2016 E & T Engineering Paper - II_2
The Class-B push-pull amplifier is an efficient two-transistor circuit, in which the two transistors operate in the following way :
A
Both transistors operate in the active region throughout the negative ac cycle
B
Both transistors operate in the active region for more than half-cycle but less than a whole cycle
C
One transistor conducts during the positive half-cycle and the other during the negative half-cycle
D
Full supply voltage appears across each of the transistors
6
2016 · Unclassified
2016 E & T Engineering Paper - II_2
Consider the following statements regarding Wien Bridge oscillator : 1. It has a larger bandwidth than the phase shift oscillator. 2. It has a smaller bandwidth than the phase shift oscillator. 3. It has 2 capacitors while the phase shift oscillator has 3 capacitors. 4. It has 3 capacitors while the phase shift oscillator has 2 capacitors. Which of the above statements are correct ?
A
1 and 3 only
B
2 and 4 only
C
1 and 4 only
D
2 and 3 only