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Mechanical Engineering Exam  >  Mechanical Engineering Test  >  Design of Machine Elements  >  Test: Design of Bearings Level - 1 - Mechanical Engineering MCQ

Design of Bearings Level - 1 - Free MCQ Practice Test with solutions, GATE


MCQ Practice Test & Solutions: Test: Design of Bearings Level - 1 (15 Questions)

You can prepare effectively for Mechanical Engineering Design of Machine Elements with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Design of Bearings Level - 1". These 15 questions have been designed by the experts with the latest curriculum of Mechanical Engineering 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 15

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Test: Design of Bearings Level - 1 - Question 1
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In thrust bearing, the load acts

Test: Design of Bearings Level - 1 - Question 2
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If the load on a ball bearing is reduced to half, the life of the ball bearing will be B

Detailed Solution: Question 2

Given, Initially, w1 = w

Life = L1

After half of load, w2 =w/2

Life = L2

Considering the relation,

Lw3 = c

L2 = 8L1 times

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Test: Design of Bearings Level - 1 - Question 3
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Which of the following is not the part of roller bearing?

Test: Design of Bearings Level - 1 - Question 4
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The life of bearing is expressed in

Detailed Solution: Question 4

Life of bearings is generally expressed as millions of revolution.

Test: Design of Bearings Level - 1 - Question 5
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Spherical roller bearings are normally used

Test: Design of Bearings Level - 1 - Question 6
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Antifriction bearings are termed as

Test: Design of Bearings Level - 1 - Question 7
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The rolling element bearings are

Test: Design of Bearings Level - 1 - Question 8
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In a journal bearing P = average bearing pressure, Z = absolute viscosity of the lubricant, N = rotational speed of the journal. The bearing characteristic number is given by

Test: Design of Bearings Level - 1 - Question 9
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With a dynamic load capacity of 2.2 kN, a roller bearing can operate at 600 rpm for 2000 hours. Then its maximum radial load will be equal to

Detailed Solution: Question 9

Given: Dynamic load capacity (C) = 2.2 kN

Life of bearing (Lf) = 60 x N x time duration

= 60 x 600 x 2000

= 72 x 106 revolutions

Using the following relation,

K = Constant = 3.3

On solving, we get, w = 609.8 (approx)

Test: Design of Bearings Level - 1 - Question 10
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A sliding bearing that can support steady loads without any relative motion between the journal and the bearing is called as

Test: Design of Bearings Level - 1 - Question 11
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The expected life of a ball bearing subjected to a load of 9800 N and working at 1000 rpm is 3000 hours. Then the expected life of the same bearing for a similar load of 4900 N and speed of 2000 rpm will be

Detailed Solution: Question 11

Given: Load(w1 9800 N

Speed(N1) = 100 rpm

(Life) (L1)time duration = 3000 hours

Now, if load (w2) = 4900 N

Speed(N2) = 2000rpm

Then life(L2) = ？

Considering the following,

Test: Design of Bearings Level - 1 - Question 12
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The dynamic load capacity of 6306 bearing is 22 kN. The maximum radial load it can sustain to operate at 600 rev/min, for 2000 hours will be equal to

Detailed Solution: Question 12

Given:dynamic load capacity = 22 x 103 N

Speed(N) = 600 rav/min

Life = 2000 x 60 x 600

72 x 106 rev

Using following relation,

w = 5288.24 N

w = 5.288 kN

Test: Design of Bearings Level - 1 - Question 13
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Which of the following assumptions regarding the lubricant film is made in Petroff’s equation?

Test: Design of Bearings Level - 1 - Question 14
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In hydrodynamic bearings

Test: Design of Bearings Level - 1 - Question 15
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The rated life of a bearing varies

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About this Mechanical Engineering Practice Test

This test contains 15 MCQs on Design of Bearings Level - 1 with detailed solutions for each question. It is part of the Design of Machine Elements course on EduRev, designed to align with the current Mechanical Engineering syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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