Chemical Engineering — Test 146
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Question 1
Permanent pressure loss in a well designed Venturimeter is about _____________ percent of the venturi differential?
Question 2
The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?
Question 3
When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an______________________?
Question 4
Buckingham-π theorem states that in any physical problem including ‘n’ quantities having ‘m’ dimensions, the quantities can be arranged into _____________ independent dimensionless parameters?
Question 5
A globe valve is the most suitable for applications, in which____________________?
Question 6
Which of the following is an undesirable characteristic of a refrigerant ?
Question 7
Sound waves propagation in air exemplifies an ______________ process?
Question 8
Work done may be calculated by the expression ∫ p dA for _____________ processes ?
Question 9
1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?
Question 10
In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?