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Test: Influence Lines - Civil Engineering (CE) MCQ


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9 Questions MCQ Test - Test: Influence Lines

Test: Influence Lines for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Influence Lines questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Influence Lines MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Influence Lines below.
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Test: Influence Lines - Question 1

While writing influence line equations, left most point is always considered as origin and following sign convention is followed.

Q. In BMD and SFD :-

Detailed Solution for Test: Influence Lines - Question 1

Answer: b
Explanation: In BMD and SFD, we analyze the structure by fixing loads initially.

Test: Influence Lines - Question 2

While writing influence line equations, left most point is always considered as origin and following sign convention is followed.

Q.  in influence line diagrams (ILD) :-

Detailed Solution for Test: Influence Lines - Question 2

Answer: a
Explanation: In ILD we analyze effect of a force or moment on a fixed point by constantly varying point of application of load/moment.

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Test: Influence Lines - Question 3

While writing influence line equations, left most point is always considered as origin and following sign convention is followed.

Q.  For drawing ILD, what value of test load is assumed?

Detailed Solution for Test: Influence Lines - Question 3

Answer: a
Explanation: 1 unit load is assumed as calculations are easy then. Actual loads are multiplies with the results obtained to calculate further.

Test: Influence Lines - Question 4

While writing influence line equations, left most point is always considered as origin and following sign convention is followed.

Q.   ILD of statically determinate beams consists of curve as well as straight lines.
State whether the above statement is true or false.

Detailed Solution for Test: Influence Lines - Question 4

Answer: b
Explanation: ILD of statically determinate beams consist of only straight lines.

Test: Influence Lines - Question 5

Following figure is for questions 5 and 5.

AB is of length 1m.

Q.   What will be the equation for vertical reaction at point A (RAY)?

Detailed Solution for Test: Influence Lines - Question 5

Answer: a
Explanation: Place unit load at any variable distance X and calculate RAY by conserving moment about point B.

Test: Influence Lines - Question 6

Following figure is for questions 5 and 5.

AB is of length 1m.

Q.  What will be the shape of ILD curve for vertical reaction at point A (RAY)?

Detailed Solution for Test: Influence Lines - Question 6

Answer: a
Explanation: On plotting the above given equation, shape of curve will come out to be triangular.

Test: Influence Lines - Question 7

Following figure is for questions 7 and 8.

AB = BC = 1m

Q.  What will be the equation for vertical reaction at point B (RBY)?

Detailed Solution for Test: Influence Lines - Question 7

Answer: d
Explanation: Take load at any variable distance X and conserve load about point A.

Test: Influence Lines - Question 8

Following figure is for questions 7 and 8.

AB = BC = 1m

Q.  Where will be the maximum point of ILD lie?

Detailed Solution for Test: Influence Lines - Question 8

Answer: c
Explanation: On drawing curve based on the above equation, we will find that maximum point will lie at C.

Test: Influence Lines - Question 9

Following figure is for questions 7 and 8.

AB = BC = 1m

Q.   Maximum point of ILD always lies at the point at which load is applied.
State whether the above statement is true or false.

Detailed Solution for Test: Influence Lines - Question 9

Answer: b
Explanation: In the above example above sentence is proved wrong.

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