Mechanical Engineering Exam > Mechanical Engineering Questions > Consider the following statements: The therm...
Start Learning for Free
Consider the following statements: The thermal stress is induced in a component in general, when
1. a temperature gradient exists in the component
2. the component is free from any restraint
3. it is restrained to expand or contract freely
Which of the above statements are correct?
- a)1 and 2
- b)2 and 3
- c)3 alone
- d)2 alone
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Consider the following statements: The thermal stress is induced in a...
1. If a temperature gradient exists in the component, then there will be thermal stresses generated if the component is restrained to expand or contract freely.
2. If the component is free from restraints, no stresses will be generated. However, strain will be there.
3. Thermal stresses will be induced when it is restrained to expand or contract freely.
Ex.: fixed beam with a rise in temperature.
Most Upvoted Answer
Consider the following statements: The thermal stress is induced in a...
Thermal Stress in Components
Thermal stress is induced in a component when there is a difference in temperature across the component. This can cause the component to expand or contract, which can generate internal stresses. The following statements describe the conditions under which thermal stress is induced in a component:
1. Temperature Gradient Exists in the Component
When there is a temperature gradient in a component, i.e., when different parts of the component are at different temperatures, thermal stress can be induced. This is because the hotter parts of the component will tend to expand more than the cooler parts, which can lead to internal stresses.
2. Component is Free from Any Restraint
When a component is free to expand or contract without any restraint, thermal stress can be induced. This is because the component will try to expand or contract to accommodate the temperature change, but if it is unable to do so, internal stresses can be generated.
3. Component is Restrained to Expand or Contract Freely
When a component is restrained from expanding or contracting freely, thermal stress can be induced. This is because the component will try to expand or contract to accommodate the temperature change, but if it is unable to do so, internal stresses can be generated.
Correct Answer: C (3 alone)
Only statement 3 is correct because thermal stress is induced in a component when it is restrained from expanding or contracting freely. Statements 1 and 2 are incorrect because a temperature gradient and lack of restraint alone are not sufficient to induce thermal stress; the component must also be restrained from expanding or contracting freely.
Thermal stress is induced in a component when there is a difference in temperature across the component. This can cause the component to expand or contract, which can generate internal stresses. The following statements describe the conditions under which thermal stress is induced in a component:
1. Temperature Gradient Exists in the Component
When there is a temperature gradient in a component, i.e., when different parts of the component are at different temperatures, thermal stress can be induced. This is because the hotter parts of the component will tend to expand more than the cooler parts, which can lead to internal stresses.
2. Component is Free from Any Restraint
When a component is free to expand or contract without any restraint, thermal stress can be induced. This is because the component will try to expand or contract to accommodate the temperature change, but if it is unable to do so, internal stresses can be generated.
3. Component is Restrained to Expand or Contract Freely
When a component is restrained from expanding or contracting freely, thermal stress can be induced. This is because the component will try to expand or contract to accommodate the temperature change, but if it is unable to do so, internal stresses can be generated.
Correct Answer: C (3 alone)
Only statement 3 is correct because thermal stress is induced in a component when it is restrained from expanding or contracting freely. Statements 1 and 2 are incorrect because a temperature gradient and lack of restraint alone are not sufficient to induce thermal stress; the component must also be restrained from expanding or contracting freely.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
|
Explore Courses for Mechanical Engineering exam
|
|
Similar Mechanical Engineering Doubts
Top Courses for Mechanical EngineeringView all
Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer?
Question Description
Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer?.
Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Consider the following statements: The thermal stress is induced in a component in general, when1. a temperature gradient exists in the component2. the component is free from any restraint3. it is restrained to expand or contract freelyWhich of the above statements are correct?a) 1 and 2b) 2 and 3c) 3 aloned) 2 aloneCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup