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ESE 2021 ME || Full Revision Mock Test-5

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Question 1

Which element promotes graphitization in steel ________?

Question 2

Mohr’s circle construction is valid for both stress as well as the area moment of inertia because

Question 3

A shaft rotating at uniform angular velocity. The shaft will be designed for

Question 4

The optimistic, most likely and pessimistic time estimates of an activity are given as 8 days, 24 days and 44 days respectively. The standard deviation of the activity is

Question 5

An elevator is required to lift a body of mass 65 kg.The acceleration (in m/s2) of the elevator which could cause a force of 800 N on the floor is ___

Question 6

Which of the following method is used for manufacturing shafts?

Question 7

According to Kennedy’s theorem the instantaneous centres of three bodies having relative motion lie on a

Question 8

In centrifugal casting, the cores are generally made up of

Question 9

In case of dynamic analysis of single slider crank chain, the correct expression for force acting along the connecting rod is given by_____.

where F is the piston effort and β is the angle made by the connecting rod with the line of sliding of the slider.

Question 10

Which of the following assumptions are made for the analysis of stress induced in a thin cylindrical shell?

Question 11

If the inner and outer surfaces of a hollow cylinder (having radii r1 and r2 and length L) are at temperatures t1 and t2 then rate of radial heat flow will

Question 12

Which one of the following is a major loss?

Question 13

The efficiency of the centrifugal pump is minimum when its blades are

Question 14

In a throttling device, what do we get as SFEE when changes in PE and KE are taken zero?

Question 15

The formation of frost on cooling coils in a refrigerator

Question 16

In the subsonic flow through a convergent nozzle , the velocity _________.

Question 17

In reaction turbine the fixed blade

Question 18

Only rocket engines can be propelled to space because ________.

Question 19

Perpetual motion machine of second kind violates the __________.

Question 20

The diameter of droplet is 0.05mm. What is the intensity of the pressure (N/sq.cm) developed in the droplet by surface tension of 0.00005 N/mm?
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