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Test: Couplings - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test - Test: Couplings - 2

Test: Couplings - 2 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Couplings - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Couplings - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Couplings - 2 below.
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Test: Couplings - 2 - Question 1

Clamp coupling employ bolts.

Detailed Solution for Test: Couplings - 2 - Question 1

Explanation: The two halves of sleeve are clamped together by bolts.

Test: Couplings - 2 - Question 2

Entire torque is transmitted by friction in the clamp coupling.

Detailed Solution for Test: Couplings - 2 - Question 2

Explanation: Some torque is transferred by friction and some by key.

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Test: Couplings - 2 - Question 3

Does shaft has to be shifted i axial direction to remove clamp coupling.

Detailed Solution for Test: Couplings - 2 - Question 3

Explanation: Clamp coupling unlike muff coupling is easily removed without shifting the shaft in axial direction.

Test: Couplings - 2 - Question 4

If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling.

Detailed Solution for Test: Couplings - 2 - Question 4

Explanation: Dia=2.5d.

Test: Couplings - 2 - Question 5

 If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling.

Test: Couplings - 2 - Question 6

If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m.

Test: Couplings - 2 - Question 7

If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm².

Test: Couplings - 2 - Question 8

Power is transmitted by only in rigid flange coupling.

Detailed Solution for Test: Couplings - 2 - Question 8

Explanation: Power is transmitted by key as well as bolts.

Test: Couplings - 2 - Question 9

If shaft diameter is 60mm, how many bolts are recommended for rigid flange coupling?

Detailed Solution for Test: Couplings - 2 - Question 9

Explanation: If shaft diameter is between 40mm and 100mm, 4 bolts are used.

Test: Couplings - 2 - Question 10

Determine the diameter of the bolts used in rigid flange coupling if transmitted torque is 270N-m, pitch circle diameter=125mm and four bolts are emplace in the coupling. Permissible shear stress in the bolts is 70N/mm².

Detailed Solution for Test: Couplings - 2 - Question 10

Explanation: d²=8M/πDNτ.

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