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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Structural Analysis  >  Test: Principle of Work & Energy - Civil Engineering (CE) MCQ

Test: Principle of Work & Energy - Civil Engineering (CE) MCQ


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10 Questions MCQ Test Structural Analysis - Test: Principle of Work & Energy

Test: Principle of Work & Energy for Civil Engineering (CE) 2024 is part of Structural Analysis preparation. The Test: Principle of Work & Energy questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Principle of Work & Energy MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Principle of Work & Energy below.
Solutions of Test: Principle of Work & Energy questions in English are available as part of our Structural Analysis for Civil Engineering (CE) & Test: Principle of Work & Energy solutions in Hindi for Structural Analysis course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Principle of Work & Energy | 10 questions in 20 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Structural Analysis for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Principle of Work & Energy - Question 1
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

Principle of virtual work was developed by mohr.
State whether the above sentence is true or false.

Detailed Solution for Test: Principle of Work & Energy - Question 1

Answer: b
Explanation: Principle of virtual work was developed by John Bernoulli.

Test: Principle of Work & Energy - Question 2
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

What is the relation between work done by external loads and work done by internal loads.

Detailed Solution for Test: Principle of Work & Energy - Question 2

Answer: b
Explanation: External and internal displacements must be related by compatibility of displacement.

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Test: Principle of Work & Energy - Question 3
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

Dummy unit load method and virtual work method are two different approaches.
State whether the above statement is true or false.

Detailed Solution for Test: Principle of Work & Energy - Question 3

Answer: b
Explanation: They both are same methods.

Test: Principle of Work & Energy - Question 4
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

To apply this method it is :-
Detailed Solution for Test: Principle of Work & Energy - Question 4

Answer: a
Explanation: Since we are equating work done, it compulsory for them to be in equilibrium.

Test: Principle of Work & Energy - Question 5
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

This method can be applied when:-
Detailed Solution for Test: Principle of Work & Energy - Question 5

Answer: b
Explanation: As after elastic limit, work done can’t be equated.

Test: Principle of Work & Energy - Question 6
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

This method can be applied when:-
Detailed Solution for Test: Principle of Work & Energy - Question 6

Answer: b
Explanation: It is required for structure to be stable for application of this method.

Test: Principle of Work & Energy - Question 7
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

What is the shape of load-deformation curve for a linear elastic member?
Detailed Solution for Test: Principle of Work & Energy - Question 7

Answer: a
Explanation: In these cases, both are directly proportional.

Test: Principle of Work & Energy - Question 8
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

What is the shape of load-deformation curve for a non-linear elastic member?
Detailed Solution for Test: Principle of Work & Energy - Question 8

Answer: c
Explanation: In these cases, each one has unique relationship between load and deformation.

Test: Principle of Work & Energy - Question 9
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

What is the relation between work done and complementary work done?
Detailed Solution for Test: Principle of Work & Energy - Question 9

Answer: c
Explanation: They are equal only when Hooke’s law is applicable i.e. the material is linearly elastic.

Test: Principle of Work & Energy - Question 10
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Ue = work done by all external forces
Ui = internal work or strain energy
Δ = final elongation of bar
Θ = final angular deflection

 Conservation of energy will be applicable only when:-
Detailed Solution for Test: Principle of Work & Energy - Question 10

Answer: a
Explanation: In cases of dynamic load, acceleration may occur and some of the external work will be transferred into kinetic energy.

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