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Test: Sliding Contact Bearings - Mechanical Engineering MCQ


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10 Questions MCQ Test - Test: Sliding Contact Bearings

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

 Thick film lubrication describes a phenomenon where two surfaces are _______ separated.

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Explanation: There is no contact between the two surfaces.

Test: Sliding Contact Bearings - Question 2

Hydrodynamic bearing is a self-acting bearing.

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Explanation: The pressure in the bearing is created within the system due to rotation of the shaft.

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Test: Sliding Contact Bearings - Question 3

A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction.

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Explanation: This is how journal bearing works. It derives its name from the portion of the shaft inside the bearing.

Test: Sliding Contact Bearings - Question 4

Partial bearing is preferred over journal bearing.

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Explanation: Friction losses are lesser and construction is simple.

Test: Sliding Contact Bearings - Question 5

Temperature rise in partial bearing is ____ than full bearing.

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Explanation: Due to lesser friction, temperature rise is less.

Test: Sliding Contact Bearings - Question 6

A clearance bearing is design accurately to keep the radius of journal and bearing equal.

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Explanation: Journal radius is kept smaller.

Test: Sliding Contact Bearings - Question 7

Fitted bearing must be partial bearing.

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Explanation: To provide space for lubricating oil.

Test: Sliding Contact Bearings - Question 8

 Footstep bearing is an axial load bearing.

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Explanation: It is a thrust bearing in which shaft end is in contact with bearing surface.

Test: Sliding Contact Bearings - Question 9

Hydrostatic and hydrodynamic lubrication are the same thing.

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Explanation: In hydrodynamic, motion is provided by the shaft while in hydrostatic the motion is provided by an external source.

Test: Sliding Contact Bearings - Question 10

 If we exclude the cost factor, which bearing is preferred?

Detailed Solution for Test: Sliding Contact Bearings - Question 10

Explanation: High load capacity, no starting friction and no rubbing action.

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