Test: Torsion of Shafts - 1 - Civil Engineering (CE) MCQ

# Test: Torsion of Shafts - 1 - Civil Engineering (CE) MCQ

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## 10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Torsion of Shafts - 1

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

### A solid shaft of circular cross-section is subjected to a torque T which produces a maximum shear stress fs in the shaft. The diameter of the shaft should be

Detailed Solution for Test: Torsion of Shafts - 1 - Question 1

∴

Test: Torsion of Shafts - 1 - Question 2

### A hollow shaft of inner radius 30 mm and outer radius 50 mm is subjected to a twisting moment. If the shear stress developed at inner radius of shaft is 60 N/mm2. What is the maximum shear stress in shaft?

Detailed Solution for Test: Torsion of Shafts - 1 - Question 2

As we know, torsional shear stress varies linearly
∴
= 100N/mm2

Test: Torsion of Shafts - 1 - Question 3

### A solid steel shaft is surrounded by a copper shaft, such that,  what is the ratio of if composite shaft is subjected to a twisting moment?

Detailed Solution for Test: Torsion of Shafts - 1 - Question 3

Test: Torsion of Shafts - 1 - Question 4

A shaft is subjected to a bending moment M and a torque T. The equivalent bending moment. Meq on the shaft is given by

Detailed Solution for Test: Torsion of Shafts - 1 - Question 4

Test: Torsion of Shafts - 1 - Question 5

A shaft of diameter ‘d’ is subjected to bending moment M and twisting moment T. The developed principal stress will be

Detailed Solution for Test: Torsion of Shafts - 1 - Question 5

Test: Torsion of Shafts - 1 - Question 6

If n is the ratio of internal and external diameters of a hollow shaft, ratio of weights of hollow shaft and solid shaft in order to have same strength will be

Detailed Solution for Test: Torsion of Shafts - 1 - Question 6

In order to have same strength,

Test: Torsion of Shafts - 1 - Question 7

If a shaft is simultaneously subjected to a torque T and a bending moment M, the ratio of maximum bending stress and maximum shearing stress is given by

Test: Torsion of Shafts - 1 - Question 8

If two shafts of the same length, one of which is hollow, transmit equal torque and have equal maximum stress, then they should have equal

Detailed Solution for Test: Torsion of Shafts - 1 - Question 8

As  Ts = Th,
∴ Zs = Zh

Test: Torsion of Shafts - 1 - Question 9

A circular shaft fixed at A has diameter D for half of its length and diameter D/2 over the other half as shown in the figure. What is the rotation of C relative to B if the rotation of B relative to A is 0.1 radian?

Detailed Solution for Test: Torsion of Shafts - 1 - Question 9

Test: Torsion of Shafts - 1 - Question 10

A shaft AS of'length l, diameter d is subjected to torque Tat section Csuch that AC = l/3, ends of the shaft are fixed, What is the resisting torque at A?

Detailed Solution for Test: Torsion of Shafts - 1 - Question 10

Resisting torque at A, TA is given by,

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## GATE Civil Engineering (CE) 2025 Mock Test Series

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