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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Topicwise Question Bank for Mechanical Engineering  >  Test: Design Against Fluctuating Load - 2 - Mechanical Engineering MCQ

Test: Design Against Fluctuating Load - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Design Against Fluctuating Load - 2

Test: Design Against Fluctuating Load - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Design Against Fluctuating Load - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Design Against Fluctuating Load - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Design Against Fluctuating Load - 2 below.
Solutions of Test: Design Against Fluctuating Load - 2 questions in English are available as part of our Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering & Test: Design Against Fluctuating Load - 2 solutions in Hindi for Topicwise Question Bank for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Design Against Fluctuating Load - 2 | 10 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering Exam | Download free PDF with solutions
Test: Design Against Fluctuating Load - 2 - Question 1
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The ratio of maximum stress in a machine component (at a notch or fillet) to the nominal stress at the same section is called

Test: Design Against Fluctuating Load - 2 - Question 2
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Select the WRONG statement:

Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 2

The effect of stress concentration is more severe in case of brittle materials, due to their inability of plastic deformation. Brittle materials do not yield locally and there is no readjustment of stresses at the discontinuities.

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Test: Design Against Fluctuating Load - 2 - Question 3
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Consider the following figure and match the following:

List-ll
1. Gerber line
2. Soderberg line
3. Failure line
4. Fatigue line
5. Goodman line
6. Yield line

Test: Design Against Fluctuating Load - 2 - Question 4
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The selection of the factor of safety in design is not dependent upon:
Test: Design Against Fluctuating Load - 2 - Question 5
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Failure of a material is called fatigue when it fails
Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 5

Fatigue failure is characterised below the yield point.

Test: Design Against Fluctuating Load - 2 - Question 6
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The fatigue life of a part can be improved by
Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 6

Shot peening is the process of producing residua! compressive stress within the material which leads to increase in fatigue life of the component.

Test: Design Against Fluctuating Load - 2 - Question 7
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The severity of stress-concentration can be reduced
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In practice, reduction of stress concentration is achieved by following methods.
1. By providing additional notches and holes intension member
2. By drilling additional holes for shaft
3. By providing a small undercut in threaded member

Test: Design Against Fluctuating Load - 2 - Question 8
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If the size of a standard specification for fatigue testing machine is increased the endurance limit for the material! will
Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 8

In the diameter or size of the components is more the surface area will have greater number of surface defect. Hence endurance strength of component reduced with increase in size.

Test: Design Against Fluctuating Load - 2 - Question 9
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Stress concentration factor is ratio of
Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 9

Fatigue stress concentration factor can be defined as the ratio of endurance limit without stress concentration to the endurance limit with stress concetration.

Test: Design Against Fluctuating Load - 2 - Question 10
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Resistance to fatigue of a material is measured by
Detailed Solution for Test: Design Against Fluctuating Load - 2 - Question 10

Endurance iimit is term defining the fatigue resistance of material.

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