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SSC JE 2019 - 20 Technical Quiz 33

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Question 1

For a 3-D flow, velocity components are u = ax2 + 2y3, v = by2 + 6z4, w = cx2 + 3dz3. The correct relation if the flow is steady, incompressible at (1, 2, 2) is________.

Question 2

A gas contained in a cylinder is compressed the work required for compression being 6000kJ. During the process heat interaction of 3000kJ causing the surrounding to be heated. The change in internal energy of the gas during the process is

Question 3

In a tool-life experiment, if the cutting speed is doubled; the tool life is reduced to 1/4th of the original value. What is the index in the Taylor’s tool-life equation?

Question 4

Which of the following mixture / ratio requires during idling condition in petrol engine ___________?

Question 5

Which of the following statement is TRUE for work output of an ideal Otto cycle?

Question 6

If Prandtl number is greater than 1, then which of the following statement is correct?

Question 7

If the dynamic viscosity of a liquid is 0.01 poise and it's Relative density is 1, then it's kinematic viscosity in Stokes.

Question 8

For Von-mises theory ratio of has been taken as

Question 9

A Description: E:\Gate\SSC JE Mechanical Part 1\Practice-Set-3_files\image066.png steel bar free to expand is heated from 15oC to 40oC. Nature of the stress which will induced in the bar after heating?

Question 10

Which of the following formula holds TRUE for dryness fraction __________, where mv and ml are mass of vapour and liquid respectively?
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