Applied Mechanics and Design [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 43 - 45 of 82

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Question 43

Applied Mechanics and Design
Stress and Strain

Appeared in Year: 2020

Question

MCQ▾

A thin-walled cylinder of radius r and thickness t is open at both ends, and fits snugly between two rigid walls under ambient conditions, as shown in the figure.

A Thin-Walled Cylinder of Radius

The material of the cylinder has Young՚s modulus E, Poisson՚s ratio v, and coefficient of thermal expansion . What is the minimum rise in temperature of the cylinder (assume uniform cylinder temperature with no buckling of the cylinder) required to prevent gas leakage if the cylinder has to store the gas at an internal pressure of p above the atmosphere?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 44

Applied Mechanics and Design
Stress and Strain

Appeared in Year: 2021

Question

Numeric Answer▾

A steel cubic block of side 200 mm is subjected to hydrostatic pressure of 250 N/ . The elastic modulus is N/ and Poisson՚s ratio is 0.3 for steel. The side of the block is reduced by ________mm (round off to two decimal places) . (February Shift 2)

Question 45

Applied Mechanics and Design
Free and Forced Vibrations of Single Degree of Freedom Systems

Appeared in Year: 2019

Question

MCQ▾

The natural frequencies corresponding to the spring-mass systems I and II are and , respectively. The ratio is

The Spring-Mass Systems I and II

Choices

Choice (4)Response

a.

4

b.

c.

2

d.

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