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SSC JE 2019- 29 Technical Quiz 23

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Question 1

Consider a simple Rankine cycle with fixed turbine inlet conditions. What is the effect of lowering the condenser pressure?

Question 2

Cavitation number is given by

(Where; P = absolute pressure, Pv = vapour pressure,  = density, U = velocity of fluid)

Question 3

What is the number of instantaneous centers of rotation for a 6-link mechanism?

Question 4

During analysis, the efficiency of a Carnot engine was found to be .If the cycle direction is reversed, determine the value of the COP for this Carnot refrigerator.

Question 5

Which of the following is a fire tube boiler?

Question 6

The throttling of a gas is a highly irreversible process. Which of the following is true for the throttling of a gas?

Question 7

A heat engine working between the source at 200oC and rejects heat at 25oC receives 4 kW of heat. Work done for this engine is equal to 1 kW. Does this satisfy the inequality of clausius?

Question 8

Weight of a body of dimension 5 m × 10 m × 20 m, weighing 5000 N in water is

Question 9

Which of the following is the property of a prismatic member?

Question 10

The contact ratio is the ratio of
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