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# Test: Principle of Work & Energy

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

Description
This mock test of Test: Principle of Work & Energy for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 10 Multiple Choice Questions for Civil Engineering (CE) Test: Principle of Work & Energy (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Principle of Work & Energy quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Test: Principle of Work & Energy exercise for a better result in the exam. You can find other Test: Principle of Work & Energy extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

### 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.

Solution:

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

QUESTION: 2

### 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.

Solution:

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

QUESTION: 3

### 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.

Solution:

Explanation: They both are same methods.

QUESTION: 4

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 :-

Solution:

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

QUESTION: 5

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:-

Solution:

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

QUESTION: 6

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:-

Solution:

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

QUESTION: 7

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?

Solution:

Explanation: In these cases, both are directly proportional.

QUESTION: 8

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?

Solution:

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

QUESTION: 9

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?

Solution:

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

QUESTION: 10

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:-

Solution: