Chemical Engineering MCQs

6108 MCQs  (Page 553 of 611)

Attempt Chemical Engineering Quiz
Free energy change at equilibrium is____________________?
A. Zero
B. Positive
C. Negative
D. Indeterminate
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Entropy change of mixing two liquid substances depends upon the_________________?
A. Molar concentration
B. Quantity (i.e. number of moles)
C. Both a. and b
D. Neither a. nor b
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Extensive properties of a thermodynamic system depend upon the _____________ of the system?
A. Specific volume
B. Temperature
C. Mass
D. Pressure
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In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?
A. Low temperature
B. High pressure
C. Both a. and b
D. Neither a. nor b
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Chemical potential is a/an_____________________?
A. Extensive property
B. Intensive property
C. Force which drives the chemical system to equilibrium
D. Both b. and c
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_______________ functions are exemplified by heat and work ?
A. Path
B. Point
C. State
D. None of these
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Domestic refrigerator usually works on the _____________ refrigeration cycle?
A. Carnot
B. Air
C. Absorption
D. Vapour-ejection
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(1/V) (∂V/∂T)P is the mathematical expression__________________?
A. Joule-thomson co-efficient
B. Specific heat at constant pressure (cp)
C. Co-efficient of thermal expansion
D. Specific heat at constant volume (cv)
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Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in__________________?
A. Increased cop
B. Same cop
C. Decreased cop
D. Increased or decreased cop; depending upon the type of refrigerant
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In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?
A. 0.25
B. 0.5
C. 0.75
D. 1
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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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