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

Test: Principle of Work & Energy for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) 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 course for Civil Engineering (CE) & Test: Principle of Work & Energy solutions in Hindi for Civil Engineering (CE) 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 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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