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SSC-JE ME || Technical Quiz 22

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Question 1

What is the correct miller indices of the plane shown below?

Question 2

Which of the following is the main advantage of line organisation?

Question 3

For the stream friction Ψ=2x²y²-y³ the velocity at point (1, 3) is

Question 4

The ratio of effective length to the actual length for a column whose both end is fixed

Question 5

Which of the following can possibly represent an adiabatic process?

Question 6

Choose the cases in which the heat transfer takes place mainly by radiation:

a) Heat received by a person from fireplace.

b) Heating of a building by sun.

c) Melting of metal in a furnace.

d) Heating of water using immersion rod.

Question 7

In arc welding, penetration is deeper for

Question 8

The rate at which the particles of fluid can spread is called_______

Question 9

A closed system receives 80 KJ heat but its internal energy decreases by 40 KJ. Then the work done by the system is

Question 10

The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Question 11

There is a spherical pressure vessel having internal diameter of 2 m and wall thickness of 2 cm. If the maximum allowable tensile stress is 100 MPa then safe working pressure for a spherical pressure vessel is

Question 12

There are two bodies A and B , ratio of their thermal conductivities is K_A/K_B=15, ratio of their densities ρ_A/ρ_B=3/2 and the ratio of their specific heats c_A/c_B= 4, then the ratio of their thermal diffusivities α_A/α_B will be ________.

Question 13

Dynamic friction as compared to static friction is

Question 14

Process of forming metal powder by directing molten metal through an orifice after which it is break into small particle using high pressure fluid is known as

Question 15

Hypoeutectoid steels on cooling during annealing process converts to _________.

Question 16

In stable equilibrium for completely submerged bodies what is the relation between forces?

Question 17

Which of the following statement is false?

Question 18

Two bodies of mass M and m are moving in concentric orbits of radii R and r such that their periods are same. Then ratio between their angular velocity is

Question 19

Refrigeration cycle operates between condenser temperature of 27 ◦C and evaporator temperature of -33 ◦C. The COP of reversed Carnot cycle will be

Question 20

The time by which the activity completion time can be delayed without affecting the start of succeeding activities, is known as

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AE & JE Exams Mechanical Engineering

Oct 19AE & JE Exams