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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Test: Brakes - Mechanical Engineering MCQ

Test: Brakes - Mechanical Engineering MCQ


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9 Questions MCQ Test - Test: Brakes

Test: Brakes for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Brakes questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Brakes MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Brakes below.
Solutions of Test: Brakes questions in English are available as part of our course for Mechanical Engineering & Test: Brakes solutions in Hindi for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Brakes | 9 questions in 20 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study for Mechanical Engineering Exam | Download free PDF with solutions
Test: Brakes - Question 1
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The energy absorb by brake is always kinetic.

Detailed Solution for Test: Brakes - Question 1

Explanation: It can be either kinetic or potential.

Test: Brakes - Question 2
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 Pneumatic brakes are same as electrical brakes.

Detailed Solution for Test: Brakes - Question 2

Explanation: Pneumatic brakes are operated by fluid pressure.

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Test: Brakes - Question 3
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 Disc brakes are radial brakes.

Detailed Solution for Test: Brakes - Question 3

Explanation: Disc brakes are axial brakes.

Test: Brakes - Question 4
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Internal shoe brakes are radial while external shoe brakes are axial brakes
Detailed Solution for Test: Brakes - Question 4

Explanation: Both internal and external shoe brakes are radial brakes.

Test: Brakes - Question 5
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A solid cast iron disk of mass 1000kg is rotating at 350rpm. Diameter of the disk is 1m and time taken to come to stop the disk by brake is 1.6sec.Calculate energy absorbed by the brake if square of radius of gyration is 0.2.
Detailed Solution for Test: Brakes - Question 5

Explanation: E=mk²ω²/2.

Test: Brakes - Question 6
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A solid cast iron disk of mass 1000kg is rotating at 350rpm. Diameter of the disk is 1m and time taken to come to stop the disk by brake is 1.6sec.Square of radius of gyration is 0.2. Calculate the average angular velocity during braking period.
Detailed Solution for Test: Brakes - Question 6

Explanaton: ω(avg)=[ω()initial+ω(final)]/2.

Test: Brakes - Question 7
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 A solid cast iron disk of mass 1000kg is rotating at 350rpm. Diameter of the disk is 1m and time taken to come to stop the disk by brake is 1.6sec.Square of radius of gyration is 0.2. Calculate the angle through which disk rotated during braking period.
Detailed Solution for Test: Brakes - Question 7

Explanation: ω(avg)=[ω()initial+ω(final)]/2 and θ=ωt.

Test: Brakes - Question 8
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A solid cast iron disk of mass 1000kg is rotating at 350rpm. Diameter of the disk is 1m and time taken to come to stop the disk by brake is 1.6sec.Square of radius of gyration is 0.2. Calculate the torque capacity of the brake.
Detailed Solution for Test: Brakes - Question 8

Explanation: M=E/θ.

Test: Brakes - Question 9
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 An automobile brake is only used to reduce the speed or bring the vehicle to hault.
Detailed Solution for Test: Brakes - Question 9

Explanation: It can also be used to hold the car stationary.

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Brakes MCQs with Answers

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