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Test: Fluctuating Stresses & Fatigue Failure - Mechanical Engineering MCQ


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5 Questions MCQ Test Design of Machine Elements - Test: Fluctuating Stresses & Fatigue Failure

Test: Fluctuating Stresses & Fatigue Failure for Mechanical Engineering 2024 is part of Design of Machine Elements preparation. The Test: Fluctuating Stresses & Fatigue Failure questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Fluctuating Stresses & Fatigue Failure MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fluctuating Stresses & Fatigue Failure below.
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Test: Fluctuating Stresses & Fatigue Failure - Question 1

The stress represented by sin (t) + 1 belongs to which category?

Detailed Solution for Test: Fluctuating Stresses & Fatigue Failure - Question 1

Explanation: The minimum stress value is zero and hence is belongs to Repeated Stress category.

Test: Fluctuating Stresses & Fatigue Failure - Question 2

The stress represented by sin (t) + 2 belongs to which category?

Detailed Solution for Test: Fluctuating Stresses & Fatigue Failure - Question 2

Explanation: The mean as well as the amplitude value is non zero hence it belongs to Fluctuation Stress Category.

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Test: Fluctuating Stresses & Fatigue Failure - Question 3

The stress represented by sin (t) + 4 belongs to which category?

Detailed Solution for Test: Fluctuating Stresses & Fatigue Failure - Question 3

Explanation: The mean as well as the amplitude value is non zero hence it belongs to Alternation Stresses category which is the other name of Fluctuation Stresses.

Test: Fluctuating Stresses & Fatigue Failure - Question 4

The stress represented by cos (t) belongs to which category?

Detailed Solution for Test: Fluctuating Stresses & Fatigue Failure - Question 4

Explanation: Half cycle is in tensile stress and other half in compressive stress, hence it belongs to Reversed Stresses Category.

Test: Fluctuating Stresses & Fatigue Failure - Question 5

If the mean stress value for a sinusoidal stress function is zero, then this type of stress falls in which category?

Detailed Solution for Test: Fluctuating Stresses & Fatigue Failure - Question 5

Explanation: If mean is to be zero, then there must be compressive as well as tensile stresses and hence belongs to reversed stresses category.

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