Chemical Engineering MCQs

6108 MCQs  (Page 583 of 611)

Attempt Chemical Engineering Quiz
Fugacity is a measure of the____________________?
A. Escaping tendencies of the same substance in different phases of a system
B. Relative volatility of a mixture of two miscible liquids
C. Behaviour of ideal gases
D. None of these
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Isobaric process means a constant process ?
A. Temperature
B. Pressure
C. Volume
D. Entropy
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For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system _____________ as its mole fraction increases?
A. Decreases
B. Increases
C. Remain same
D. Decreases linearly
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Rotary lime kiln is an example of a/an _____________ system?
A. Closed
B. Open
C. Isolated
D. Non-thermodynamic
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Mollier chart is a _____________ plot?
A. Pressure vs. enthalpy
B. Pressure vs. volume
C. Enthalpy vs. entropy
D. Temperature vs. entropy
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During a reversible isothermal expansion of an ideal gas, the entropy change is___________________?
A. +ve
B. 0
C. -ve
D. ∞
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A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the _____________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively) ?
A. Logarithmic
B. Arithmetic
C. Geometric
D. Harmonic
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As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches____________________?
A. Zero
B. Unity
C. Infinity
D. An indeterminate value
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If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the____________________?
A. Process must be isobaric
B. Temperature must decrease
C. Process must be adiabatic
D. Both b. and c.
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The first law of thermodynamics is a statement of conservation of_____________________?
A. Heat
B. Momentum
C. Energy
D. Work
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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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