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AFCAT EKT ME Mock Test 4

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Question 1

A simple mechanism has:

Question 2

A grinding wheel of 150 mm diameter is rotating at 3000 rpm. The grinding speed is _____.

Question 3

The polar section modulus of a solid circular shaft of diameter 'd' about an axis through its centre of gravity is_____.

Question 4

In the selection of optional cutting conditions, the requirement of surface finish would put a limit on which of the following?

Question 5

In a mechanical shaper, the length of stroke is increased by

Question 6

Poisson’s ratio is defined as the ratio of______.

Question 7

The method of obtaining different mechanism by fixing different links of a kinematic chain is known as:

Question 8

Nose radius is expressed in

Question 9

The Rateau turbine belongs to the category of

Question 10

A circular shaft is subjected to a twisting moment T and bending moment M. Find the  ratio of Maximum bending stress to Maximum shear stress in the circular shaft is:

Question 11

The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is

Question 12

For a spring controlled governor to be stable the controlling force (f) is related to the radius (r) by the equation.

Question 13

An orifice meter, having an orifice of diameter d is fitted in a pipe of diameter D. For this orifice meter, what is the coefficient of discharge Description: Description: Practice-Set-7_files\image102.png?

Question 14

Work done in a free expansion process is:

Question 15

With natural uranium, which of the following is used as moderator?
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Apr 14ESE & GATE ME