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Test: Three Hinged Arch - Civil Engineering (CE) MCQ


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8 Questions MCQ Test - Test: Three Hinged Arch

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

Top most part of an arch is called ________

Detailed Solution for Test: Three Hinged Arch - Question 1

Answer: b
Explanation: Top most part is called crown. Other options are name of other part.

Test: Three Hinged Arch - Question 2

Which of the following is true in case of stone brick?

Detailed Solution for Test: Three Hinged Arch - Question 2

Answer: d
Explanation: Stone brick is very good in compression but weak in tension.

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Test: Three Hinged Arch - Question 3

Shape of three hinged arch is always :-

Detailed Solution for Test: Three Hinged Arch - Question 3

Answer: c
Explanation: Three hinged arch is always made in parabolic shape.

Test: Three Hinged Arch - Question 4

Internal bending moment generated in a three hinged arch is always:-

Detailed Solution for Test: Three Hinged Arch - Question 4

Answer: a
Explanation: Due to its geometry, bending moment always comes out to be zero in 3 hinged arches.

Test: Three Hinged Arch - Question 5

Internal shear force generated in a three hinged arch is always:-

Detailed Solution for Test: Three Hinged Arch - Question 5

Answer: a
Explanation: Due to its geometry, shear force always comes out to be zero in 3 hinged arches.

Test: Three Hinged Arch - Question 6

What is the degree of indeterminacy of a fixed arch?

Detailed Solution for Test: Three Hinged Arch - Question 6

Answer: c
Explanation: It is indeterminate to 3 degrees.

Test: Three Hinged Arch - Question 7

What is the degree of indeterminacy of a two hinged arch?

Detailed Solution for Test: Three Hinged Arch - Question 7

The degree of indeterminacy of a two-hinged arch is 2.

To understand why, let's first define the degree of indeterminacy. It is the number of unknown reactions or internal forces that cannot be directly determined from the equilibrium equations alone. In other words, it is the number of additional equations needed to solve for all the unknowns in the structure.

Now, consider a two-hinged arch. This type of arch has two hinges, one at each support (typically at the ends of the arch). These hinges can rotate, allowing the arch to undergo some degree of deformation. Since each hinge has a vertical and horizontal reaction, there are a total of 4 external reactions.

However, a two-hinged arch can only satisfy three equilibrium equations: the sum of the forces in the horizontal direction, the sum of the forces in the vertical direction, and the sum of the moments about any point. This means that we can only directly solve for three of the four reactions using equilibrium equations.

To determine the remaining unknown reaction, we need an additional equation. This equation usually comes from the deflection or rotation of the arch due to the applied loads. The deflection of the arch is typically determined by analyzing the geometry and material properties of the arch and the loads acting on it.

Since there is one additional equation needed to solve for the unknown reactions, the degree of indeterminacy for a two-hinged arch is 2.

Test: Three Hinged Arch - Question 8

In real life, bending stresses are zero in a three hinge arch.
State whether the above statement is true or false.

Detailed Solution for Test: Three Hinged Arch - Question 8

Answer: b
Explanation: In real life, loads are moving which results in generation of bending stresses.

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