Chemical Engineering MCQs

6108 MCQs  (Page 562 of 611)

Attempt Chemical Engineering Quiz
A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
A. Isolated
B. Open
C. Insulated
D. Closed
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Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
A. Ideal
B. Real
C. Isotonic
D. None of these
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The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
A. More
B. Less
C. Same
D. Data insufficient to predict
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Boyle’s law for gases states that____________________?
A. P ∝ 1/v, when temperature is constant
B. P ∝ 1/v, when temperature & mass of the gas remain constant
C. P ∝ v, at constant temperature & mass of the gas
D. P/v = constant, for any gas
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With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
A. Increases
B. Decreases
C. Remains unchanged
D. First decreases and then increases
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PVy = constant, holds good for an isentropic process, which is_________________?
A. Reversible and isothermal
B. Isothermal and irreversible
C. Reversible and adiabatic
D. Adiabatic and irreversible
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As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
A. Unity
B. Zero
C. That of the heat of reaction
D. Infinity
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Which of the following is a thermodynamic property of a system ?
A. Concentration
B. Mass
C. Temperature
D. Entropy
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In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?
A. More
B. Less
C. Same
D. Unpredictable; depends on the particular reaction
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The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?
A. Less than
B. More than
C. Same as
D. Not related to
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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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