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Test: Cotter Joint - Mechanical Engineering MCQ


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10 Questions MCQ Test Design of Machine Elements - Test: Cotter Joint

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

Cotter joint is used when the members are subjected to which type of stresses?

Detailed Solution for Test: Cotter Joint - Question 1

Explanation: Cotter joint is used when axial forces are applied.

Test: Cotter Joint - Question 2

The principle of wedge action is used in cotter joint.

Detailed Solution for Test: Cotter Joint - Question 2

Explanation: Wedge action imparts tightening to the cotter joint.

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Test: Cotter Joint - Question 3

Can the cotter joint be used to connect slide spindle and fork of valve mechanism?

Detailed Solution for Test: Cotter Joint - Question 3

Explanation: As long as axial forces act, cotter joint can be employed.

Test: Cotter Joint - Question 4

Which of the following is not a part of cotter joint?

Detailed Solution for Test: Cotter Joint - Question 4

Explanation: There is no point of mentioning collar alone in a cotter joint. It has to be a spigot collar or socket collar.

Test: Cotter Joint - Question 5

Cold riveting holds the connected parts better than hot riveting.

Detailed Solution for Test: Cotter Joint - Question 5

Explanation: The compression of connected parts in hot riveting causes friction, which resist sliding of one part with respect to other. This force is greater in hot riveting.

Test: Cotter Joint - Question 6

In cold riveting like hot riveting shank is subjected to majorly tensile stress.

Detailed Solution for Test: Cotter Joint - Question 6

Explanation: In cold riveting there is no reduction in length and hence no tensile stress. Shear stress dominates.

Test: Cotter Joint - Question 7

Determine the width of the cotter used in cotter joint connecting two rods subjected to axial load of 50kN and permissible shear stress in cotter is 50N/(mm² ). Given thickness of cotter=10mm

Detailed Solution for Test: Cotter Joint - Question 7

Explanation: Cotter is subjected to double shear hence width=P/(2*τ*t).

Test: Cotter Joint - Question 8

If joint is to fail by crushing of socket collar then estimate the diameter of socket collar. Given Permissible compressive stress= 126.67 N/mm².; Spigot dia=65mm; thickness 0f collar=15mm

Detailed Solution for Test: Cotter Joint - Question 8

Explanation: Compressive stress= P/ [(socket dia-spigot dia)*thickness].

Test: Cotter Joint - Question 9

 Cotter joint can be used to connect two rods for torque transmission purpose.

Detailed Solution for Test: Cotter Joint - Question 9

Explanation: Cotter Joint is never used to connect two rods for torque transmission purpose.

Test: Cotter Joint - Question 10

Thickness of plate is required more in welding than in riveting.

Detailed Solution for Test: Cotter Joint - Question 10

Explanation: In riveting, cross section is weakened due to the holes and to compensate this, thicker plates are required in riveting. 

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