Chemical Engineering MCQs

6108 MCQs  (Page 582 of 611)

Attempt Chemical Engineering Quiz
The equation, Cp – Cv = R, is true for _______________ gas?
A. No
B. Any real
C. Only ideal
D. Both b. and c.
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Compound having large heat of formation is_____________________?
A. More stable
B. Less stable
C. Not at all stable (like nascent o2)
D. Either more or less stable; depends on the compound
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The heat capacities for the ideal gas state depend upon the_________________?
A. Pressure
B. Temperature
C. Both a. & b.
D. Neither a. nor b.
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Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?
A. 0
B. ∞
C. +ve
D. -ve
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Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?
A. Sublimation
B. Fusion
C. Transition
D. Vaporisation
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For a given substance at a specified temperature, activity is ______________ to fugacity?
A. Directly proportional
B. Inversely proportional
C. Equal
D. None of these
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Linde gas liquefaction process employs cooling ____________________?
A. By throttling
B. By expansion in an engine
C. At constant pressure
D. None of these
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The kinetic energy of gas molecule is zero at_____________________?
A. 0°c
B. 273°c
C. 100°c
D. -273°c
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In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?
A. Isothermal
B. Adiabatic
C. Isentropic
D. Polytropic
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A system is said to be at equilibrium, if the entropy of the system has reached ____________ value?
A. Minimum
B. Zero
C. Maximum
D. None of these
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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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