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Test: Classification Of Coplanar Trusses - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Classification Of Coplanar Trusses

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Test: Classification Of Coplanar Trusses - Question 1

Simple trusses consist entirely of triangle. True or false?

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 1

Answer: a
Explanation: It can consists of any other shaped intermediate parts, as long as it is stable.

Test: Classification Of Coplanar Trusses - Question 2

Trusses and frames are different as:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 2

Answer: d
Explanation: Trusses can’t bend but, frames can. Due to this, frames can have bending moments.

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Test: Classification Of Coplanar Trusses - Question 3

 What is the major difference between truss and beam?

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 3

Answer: b
Explanation: Due to its geometry, all bending loads get converted to compressive or tensile load in trusses.

Test: Classification Of Coplanar Trusses - Question 4

 A truss formed by joining two or more simple trusses is called:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 4

Answer: b
Explanation: Truss formed by joining two or more simple trusses is called compound trusses.

Test: Classification Of Coplanar Trusses - Question 5

 If a truss has two more members surpassing each other, then it is:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 5

Answer: c
Explanation: Trusses falling into neither simple nor compound are categorized into complex trusses.
B= no. of bars of the truss
R= total no. of external support reaction
J= total no. of joints.

Test: Classification Of Coplanar Trusses - Question 6

 If B = 5, R = 3 and J = 4, then the truss is:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 6

Answer: a
Explanation: B + R = 8 = 2*J. So, truss is statically determinate. Without further insight, we can’t predict stability.

Test: Classification Of Coplanar Trusses - Question 7

If, in the above question R= 4 then the truss are:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 7

Answer: b
Explanation: B + R = 9 > 2*J. So, truss is statically indeterminate. Without further insight, we can’t predict stability.

Test: Classification Of Coplanar Trusses - Question 8

If, in the above question R = 3 then the truss is:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 8

Answer: d
Explanation: B + R = 7 < 2*J. So, the truss will be unstable.

Test: Classification Of Coplanar Trusses - Question 9

 A simple truss will be always internally stable.
State whether the above sentence is true or false.

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 9

Answer: a
Explanation: A simple truss starts with a triangle which is internally stable. Then we add rigid elements to it, so there is no scope of relative movement/deformation.

Test: Classification Of Coplanar Trusses - Question 10

If a truss is internally unstable, then we should use it when it is:-

Detailed Solution for Test: Classification Of Coplanar Trusses - Question 10

Answer: d
Explanation: If a truss is internally unstable then its use must always be avoided.

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