Chemical Engineering MCQs

6108 MCQs  (Page 563 of 611)

Attempt Chemical Engineering Quiz
Gases are cooled in Joule-Thomson expansion, when it is _____________ inversion temperature?
A. Below
B. At
C. Above
D. Either b. or c.
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Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?
A. P + f – c = 2
B. C = p – f + 2
C. F = c – p – 2
D. P = f – c – 2
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Entropy change in case of reversible adiabatic process is________________?
A. Minimum
B. Zero
C. Maximum
D. Indeterminate
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For a constant volume process_________________?
A. De = cpdt
B. De = cvdt
C. Dq = de + pdv
D. Dw = pdv
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Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?
A. Zeroth
B. First
C. Second
D. Third
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At absolute zero temperature, the _____________ of the gas is zero?
A. Pressure
B. Volume
C. Mass
D. None of these
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No work is done by the system, when a reaction occurs at constant__________________?
A. Volume
B. Temperature
C. Pressure
D. None of these
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Joule-Thomson Co-efficient at any point on the inversion curve is___________________?
A. ∞
B. +ve
C. 0
D. -ve
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If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?
A. Zero
B. 50%
C. Almost 100%
D. Unpredictable
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What is the value of Joule-Thomson co-efficient for an ideal gas ?
A. +ve
B. -ve
C. 0
D. ∞
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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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