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SSC JE 2019 - 20 technical Quiz 96

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Question 1

If a metal is distorted by hammering or cold working, then the process which is used to refine the grains of metal

Question 2

The structure of Fe₃C in iron carbon diagram is

Question 3

Which of the following is true about the bending stress?

Question 4

The unit of kinematic viscosity ‘stokes’ of a fluid termed is equivalent to_____.

Question 5

For a 4 bar linkage in toggle position, the value of mechanical advantage is?

Question 6

In thermal power plants, the deaerator is used mainly to______

Question 7

Which of the following expressions represent the slope of adiabatic curve on lnT vs lnV plot:

Question 8

The thermal efficiency of air standard diesel cycle with increasing cut off ratio keeping other parameters constant

Question 9

Air at 20⁰C blows over a hot plate of 50 x 60 cm made of carbon steel maintained at 220°C. The convective heat transfer coefficient is 25 W/m²K. What will be the heat loss from the plate? Assume heat transfer at one side only

Question 10

A refrigeration plant uses a condenser with heat rejection ratio of 1.2. If the capacity of the plant is 210 kJ/min, then the value of the COP of the refrigeration plant is

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ESE & GATE ME General

Apr 30ESE & GATE ME