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ESE Prelims 2022 Achievers Quiz 14

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Question 1

If two bodies one light and other heavy have equal kinetic energies, which one has a greater momentum

Question 2

PERT has following time estimate

Question 3

The general equation of continuity for three-dimensional flow of an incompressible fluid for steady flow is (where u, v, w are components of velocity in x, y and z directions respectively)

Question 4

Purpose of using differential gear in automobile is to _______.

Question 5

Due to the presence of which of the following does white cast iron appear white?

Question 6

The velocity of flow field is V =2xyi-x²z²j . What is the vorticity vector at (1,2,1)?

Solution

Question 7

Match the following:

Question 8

In case of a ball-bearing, rating load is 110 kN. What will be the approximate rating life (in million revolutions) of the bearing at a load of 9.8 kN?

Question 9

In which type of welding, a pool of molten metal is used?

Question 10

The ratio of torque carrying capacity of solid shaft to that of hollow shaft of same material and of outer diameter equal to diameter of solid shaft is:

Where,

D_i = inner diameter of hollow shaft

D_o = outer diameter of hollow shaft

and τ_max = Permissible shear stress for shaft material

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ESE & GATE ME General

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