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Test: Design For Static And Dynamic Load Level - 1 - Mechanical Engineering MCQ


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10 Questions MCQ Test - Test: Design For Static And Dynamic Load Level - 1

Test: Design For Static And Dynamic Load Level - 1 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Design For Static And Dynamic Load Level - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Design For Static And Dynamic Load Level - 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Design For Static And Dynamic Load Level - 1 below.
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Test: Design For Static And Dynamic Load Level - 1 - Question 1

Which strength of the material is to be considered for design of a ductile component under cyclic load?

Detailed Solution for Test: Design For Static And Dynamic Load Level - 1 - Question 1
Endurance strength is to be considered for design of a component under cyclic load. The fatigue or endurance limit of a material is defined as the maximum amplitude of completely reversed stress that the standard specimen can sustain for an unlimited number of cycles without fatigue failure.

Test: Design For Static And Dynamic Load Level - 1 - Question 2

The relationship between notch sensitivity factor (q), theoretical stress concentration factor

(kt) and fatigue (or) form stress concentration (kf) is given

Detailed Solution for Test: Design For Static And Dynamic Load Level - 1 - Question 2

Note:

Actual stress concentration factor

Theoretical stress concentration factor

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Test: Design For Static And Dynamic Load Level - 1 - Question 3

Endurance limit is determined by a test, applying

Test: Design For Static And Dynamic Load Level - 1 - Question 4

In a semi-infinite flat plate shown in the figure, the theoretical stress concentration factor kt for an elliptical hole of major axis 2a and minor axis 2b is given by

Test: Design For Static And Dynamic Load Level - 1 - Question 5

Fatigue of a component is due to

Detailed Solution for Test: Design For Static And Dynamic Load Level - 1 - Question 5
Fatigue of a component is due to cyclic load. Fatigue occurs when a material is subjected to repeated loading and unloading.

Test: Design For Static And Dynamic Load Level - 1 - Question 6

Endurance limit of a component

Test: Design For Static And Dynamic Load Level - 1 - Question 7

Number of cycles of repetitions for low cycle fatigue in steel is

Test: Design For Static And Dynamic Load Level - 1 - Question 8

To design a component of ductile material under variable loading, stress concentration factor is applied to

Test: Design For Static And Dynamic Load Level - 1 - Question 9

The maximum value of stress concentration factor in an infinite plate with a circular hole under uniaxial tension is

Detailed Solution for Test: Design For Static And Dynamic Load Level - 1 - Question 9

For circular, a = b

Test: Design For Static And Dynamic Load Level - 1 - Question 10

Which of the following is not the correct procedure to increase the fatigue limit

Detailed Solution for Test: Design For Static And Dynamic Load Level - 1 - Question 10
Fatigue limit of material can be increased by
  • By applying residual compressive stress (under stress)

  • By surface finishing

  • By shot peening

  • Cold working

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