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Exam Details

ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014

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

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Difficulty distribution

Medium 67 55.8%
Easy 36 30%
Hard 17 14.2%

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Multiple Choices 120 100%

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Sample questions from this paper

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1
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
Which one of the following statements is correct?
A
Phase margin is always positive for stable feedback system.
B
Phase margin can be negative or positive for stable feedback system.
C
None of the above
D
Phase margin is always negative for stable feedback system.
2
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
A Tachometer has a sensitivity of 5 V/1000 rpm. The gain constant of the Tachometer is
A
0.48 V/rad/sec
B
0.048 V/rad/sec
C
48 V/rad/sec
D
4.8 V/rad/sec
3
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
For a 3rd order system given below, what is the phase crossover frequency?
A
B
C
D
4
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
Two compensation have transfer functions respectively.
A
Both are lag
B
Both are lead
C
G1 is lead and G2 is lag
D
G1 is lag and G2 is lead
5
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
A proportional plus derivative controller
1) has high sensitivity.
2) increases the stability of the system
3) improves the steady-state accuracy.
Which of the above statements are correct?
A
1, 2 and 3
B
1 and 3 only
C
2 and 3 only
D
1 and 2 only
6
2014 · Unclassified
ESEElectronics & Communication Engineering PAPER 2 (TECHNICAL) 2014
In industrial control system, which one of the following methods is most commonly used in designing a system for meeting performance specifications?
A
The transfer function if first determined and then either a lead compensation or lag compensation is implemented.
B
The transfer function is first determined and PID controllers are implemented by mathematically determining PID constants
C
PID controllers are implemented without the knowledge of the system parameters using Ziegler – Nichols method
D
PID controllers are implemented using Ziegler-Nichols method after determining the system transfer function.