Applied Mechanics and Design [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 62 - 65 of 82

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Question 62

Applied Mechanics and Design
Dynamic Analysis of Slider Crank Mechanisms

Appeared in Year: 2020

Question

MCQ▾

The number of qualitatively distinct kinematic inversions possible for a Grashof chain with four revolute pairs is

Choices

Choice (4)Response

a.

4

b.

2

c.

3

d.

1

Question 63

Applied Mechanics and Design
Gear Trains and Flywheels

Appeared in Year: 2021

Question

MCQ▾

A power transmission mechanism consists of a belt drive and a gear train as shown in the figure.

A Power Transmission Mechanism Consists

Diameters of pulleys of belt drive and number of teeth (T) on the gears 2 to 7 are indicated in the figure. The speed and direction of rotation of gear 7. respectively. Are

Choices

Choice (4)Response

a.

575.28 rpm: clockwise

b.

255.68 spin: anticlockwise

c.

575.28 spin: anticlockwise

d.

255.68 rpm: clockwise

Question 64

Applied Mechanics and Design
Free and Forced Vibrations of Single Degree of Freedom Systems

Appeared in Year: 2020

Question

Numeric Answer▾

A hollow spherical ball of radius 20 cm floats in still water, with half of its volume submerged. Taking the density of water as 1000 kg/, and the acceleration due to gravity as 10 m/, the natural frequency of small oscillations of the ball, normal to the water surface is ________ radians/s (round off to 2 decimal places) .

Question 65

Applied Mechanics and Design
Brakes and Clutches

Appeared in Year: 2019

Question

Numeric Answer▾

A single block brake with a short shoe and torque capacity of 250 N-m is shown. The cylindrical brake drum rotates anticlockwise at 100 rpm and the coefficient of friction is 0.25 The value of a, in mm (round off to one decimal place) , such that maximum actuating force P is 2000 N, is ________

A Single Block Brake

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