Chemical Engineering MCQs

6108 MCQs  (Page 555 of 611)

Attempt Chemical Engineering Quiz
The melting point of paraffin wax (which contracts on solidification) _______________ with pressure rise?
A. Increases
B. Decreases
C. Remains unchanged
D. Decreases linearly
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In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when___________________?
A. Cp < cv
B. Cp = cv
C. Cp > cv
D. C ≥ cv
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The internal energy of an ideal gas does not change in a reversible _____________ process?
A. Isothermal
B. Adiabatic
C. Isobaric
D. Isometric
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Which of the following decreases with increase in pressure ?
A. Melting point of ice
B. Melting point of wax
C. Boiling point of liquids
D. None of these
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Near their critical temperatures, all gases occupy volumes _____________ that of the ideal gas?
A. Less than
B. Same as
C. More than
D. Half
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The number of degrees of freedom for a mixture of ice and water (liquid) are ____________________?
A. 3
B. 2
C. 1
D. 0
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Boiling of liquid is accompanied with increase in the__________________?
A. Vapor pressure
B. Specific gibbs free energy
C. Specific entropy
D. All (a), b. and (c)
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Refrigeration capacity of a household refrigerator may be round about _____________ tons?
A. 0.15
B. 1.5
C. 4.5
D. 6.5
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Which is not constant for an ideal gas ?
A. (∂p/∂v)t
B. (∂v/∂t)p
C. (∂p/∂v)v
D. All (a), b. & (c)
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Any substance above its critical temperature exists as _____________________?
A. Saturated vapour
B. Solid
C. Gas
D. Liquid
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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