BSNL TTA ONLINE TEST - 3 Control System

Quiz by BSNL ACADEMY, created more than 1 year ago

Subject : Control System Instruction: Time limit for the exam: 25 Minutes Total number of questions : 30 Q Each question carry 1 mark, no negative marks. DO NOT refresh the page. All the best by BSNL ACADEMY If U Like Our Test series than Share with your friends and Rate Our Tests.

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	Created by BSNL ACADEMY about 10 years ago

	Copied by BSNL ACADEMY about 10 years ago

	Copied by BSNL ACADEMY about 10 years ago

Subject : Control System Instruction: Time limit for the exam: 25 Minutes Total number of questions : 30 Q Each question carry 1 mark, no negative marks. DO NOT refresh the page. All the best by BSNL ACADEMY If U Like Our Test series than Share with your friends and Rate Our Tests.

BSNL TTA ONLINE TEST - 3 Control System

Question 1 of 30

The transfer function for tachometer E(S)/θ(S) is

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Explanation

Question 2 of 30

Which of the following id the electrical analogous element for displacement in force-voltage analogy?

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Explanation

Question 3 of 30

Which of the following is/are the characteristics of negative feedback control system?

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Explanation

Question 4 of 30

Which of the following combinations is/are correct electrical analogous elements in force-current analogy?

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Question 5 of 30

Lowest critical frequency is due to pole and it may be present origin or nearer to origin, then it is which type of network?

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Explanation

Question 6 of 30

Lowest critical frequency is due to zero and it may be present origin or nearer to origin, then it is which type of network ?

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Explanation

Question 7 of 30

Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

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Question 8 of 30

Advantages of open loop system is/are?

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Question 9 of 30

Which of the following are the disadvantages of a closed loop control system?

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Explanation

Question 10 of 30

Force balancing equation of a dash-pot elements is ( where x = displacement)

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Explanation

Question 11 of 30

What is the order of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback

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Explanation

Question 12 of 30

A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively

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Explanation

Question 13 of 30

The steady state error due to ramp input for a type two system is equal to

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Question 14 of 30

Differentiation of parabolic response is a -------------- response?

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Question 15 of 30

Weighting function is in terms of -----------------

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Question 16 of 30

The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is

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Explanation

Question 17 of 30

Lead compensator is used to improve ------------------

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Question 18 of 30

Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

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Question 19 of 30

A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is

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Explanation

Question 20 of 30

Given the transfer function G(s) = 121/(s² + 13.2s + 121) of a system. Which of the following characteristics does it have?

A second order control system is defined by the following equation:
4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t)
The damping ratio and natural frequency for this system are respectively