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Test: Plastic Analysis - 1 - Civil Engineering (CE) MCQ


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10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Plastic Analysis - 1

Test: Plastic Analysis - 1 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Plastic Analysis - 1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Plastic Analysis - 1 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Plastic Analysis - 1 below.
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Test: Plastic Analysis - 1 - Question 1

The shape factor for a solid circular section of diameter D is equal to

Test: Plastic Analysis - 1 - Question 2

For steel structures proportioned using plastic design, the working load (dead load + imposed load) should be multiplied by which one of the following minimum load factor?

Test: Plastic Analysis - 1 - Question 3

In a plastic analysis of structures, the segment between any two successive plastic hinges is assumed to deform as

Detailed Solution for Test: Plastic Analysis - 1 - Question 3

The initial slopes and deflections of the beam do not affect the virtual work equations. Thus the displacement diagram can be simplified to consists of straight and undefiected lines i.e. rigid deformation.

Test: Plastic Analysis - 1 - Question 4

Which one of the following is the correct maximum shear capacity of a prismatic beam under plastic design of steel structures?

Detailed Solution for Test: Plastic Analysis - 1 - Question 4

The maximum shear capacity is 0.55 AWFY.

Test: Plastic Analysis - 1 - Question 5

Match List-I (Loaded prismatic beam of uniform Mp) with List-II (Plastic Load) and select the correct answer using the code given below the lists:

Detailed Solution for Test: Plastic Analysis - 1 - Question 5


Test: Plastic Analysis - 1 - Question 6

Match List-I (Shape of structural) with List-II (Shape factor) and select the correct answer using the codes given below the lists:

Test: Plastic Analysis - 1 - Question 7

If a uniform beam shown in the figure below has the plastic moment capacity Mp for span AB and 0.9 Mp for span BC, what is the correct virtual work equation?

Detailed Solution for Test: Plastic Analysis - 1 - Question 7

Total number of plastic hinges needed for complete collapse of the beam may be given as, 
Number of plastic hinges,
= r + 1 = (3 - 2) + 1 = 2

Test: Plastic Analysis - 1 - Question 8

What is the number of plastic hinges formed if an indeterminate beam with redundancy R is to become determinate?

Detailed Solution for Test: Plastic Analysis - 1 - Question 8

The number of plastic hinges required to make an indeterminate beam determinate is R where R is the degree of redundancy. However, for the complete collapse of the beam (R + 1) plastic hinges will be required.

Test: Plastic Analysis - 1 - Question 9

The cross-sectional area and plastic section modulus of the given section are respectively

Detailed Solution for Test: Plastic Analysis - 1 - Question 9

Total area, A = 5 x 60 + 5 x 60 
= 600 mm2

The centroids of half areas on either side of axis 

Therefore plastic section modulus

Test: Plastic Analysis - 1 - Question 10

A load P is applied at the middle of a simply supported beam of span L. If the beam is made of ductile material, and Mp is the plastic moment, what is the ultimate value of P?

Detailed Solution for Test: Plastic Analysis - 1 - Question 10

The simply supported beam is a determinate one, hence one plastic hinge will be required for its complete collapse. This plastic hinge will be,

formed under the load. Hence the maximum bending moment can at the most reach to the plastic moment Mp.
∴ 

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