Chemical Engineering MCQs

6108 MCQs  (Page 597 of 611)

Attempt Chemical Engineering Quiz
Work done in case of free expansion is____________________?
A. Indeterminate
B. Zero
C. Negative
D. None of these
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When a gas is subjected to adiabatic expansion, it gets cooled due to__________________?
A. Decrease in velocity
B. Decrease in temperature
C. Decrease in kinetic energy
D. Energy spent in doing work
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A solid is transformed into vapour without going to the liquid phase at_________________?
A. Triple point
B. Boiling point
C. Below triple point
D. Always
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A Carnot cycle consists of the following steps ?
A. Two isothermal and two isentropic
B. Two isobaric and two isothermal
C. Two isochoric and two isobaric
D. Two isothermals and two isochoric
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“The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances”. This is the_________________?
A. Lewis-randall rule
B. Statement of van’t hoff equation
C. Le-chatelier’s principle
D. None of these
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Claude’s liquefaction process employs the cooling of gases by__________________?
A. Expansion in an engine
B. Following a constant pressure cycle
C. Throttling
D. None of these
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The shape of T-S diagram for Carnot Cycle is a__________________?
A. Rectangle
B. Rhombus
C. Trapezoid
D. Circle
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Trouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?
A. Polar
B. Non-polar
C. Both a. & b
D. Neither a. nor b
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One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
A. 30554
B. 10373
C. 4988.4
D. 4364.9
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Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is________________?
A. 0
B. 1
C. ∞
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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