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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
A 580
B 640
C 1160
D Data insufficient; can’t be computed
Correct Answer: 1160
_____________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low?
A Bucket
B Throttling
C Separating
D A combination of separating & throttling
Correct Answer: A combination of separating & throttling
Joule-Thomson co-efficient for a perfect gas is_____________________?
A Zero
B Positive
C Negative
D None of these
Correct Answer: Zero
Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the__________________?
A Cold reservoir approaches zero
B Hot reservoir approaches infinity
C Either A. or B
D Neither A. nor B
Correct Answer: Either A. or B
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?
A Increase
B Decrease
C Remain unchanged
D First fall and then rise
Correct Answer: Increase
As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?
A Zero
B Unity
C Infinity
D None of these
Correct Answer: Zero
The temperature at which both liquid and gas phases are identical, is called the _____________ point?
A Critical
B Triple
C Freezing
D Boiling
Correct Answer: Critical
Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2.Degree of dissociation of PCl5 will_________________?
A Decrease on addition of Cl2
B Increase on addition of an inert gas at constant pressure
C Decrease on increasing the pressure of the system
D None of these
Correct Answer: None of these
If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?
A Enthalpy
B Volume
C Both A. & B.
D Neither A nor B
Correct Answer: Both A. & B.
The expression, nRT ln(P1/P2), is for the _____________of an ideal gas?
A Compressibility
B Work done under adiabatic condition
C Work done under isothermal condition
D Co-efficient of thermal expansion
Correct Answer: Work done under isothermal condition
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