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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

Bubble cap plate column is___________________?
A A finite stage contactor
B Used only for distillation, not for absorption
C A differential stage contactor
D A continuous contactor
Correct Answer: A finite stage contactor
Shortest distance between two tubes is___________________?
A Called tube pitch
B Called tube clearance
C More in case of triangular pitch as compared to square pitch of tube layout
D None of these
Correct Answer: Called tube clearance
Rivets are generally specified by the____________________?
A Head diameter
B Shank diameter
C Overall length
D None of these
Correct Answer: Shank diameter
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?
A Increase by 1.8
B Decrease by 22
C Increase by 21.6
D None of these
Correct Answer: Increase by 21.6
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?
A 1 to 1.5
B 2.5 to 3.5
C 4 to 5
D 6 to 8
Correct Answer: 1 to 1.5
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ?
A Sorel-Lewis method
B McCabe-Thiele’s method
C Ponchon-Savarit method
D None of these
Correct Answer: Sorel-Lewis method
Fouling factor must be included in the calculation of overall design heat transfer coefficient, when the liquid__________________?
A Containing suspended solids flows at low velocity
B Containing suspended solids flows at high velocity
C Is highly viscous
D Is of high specific gravity
Correct Answer: Containing suspended solids flows at low velocity
Overall tray efficiency of a distillation column is the ratio of the number of ___________________?
A Overall gas transfer units to the number of ideal trays required
B Ideal trays required to the number of real trays required
C Real trays required to the number of ideal trays required
D None of these
Correct Answer: Ideal trays required to the number of real trays required
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by______________?
A An increase in liquid viscosity
B An increase in relative volatility for rectification columns
C Decrease in gas solubility for absorbers
D All A., B. and C.
Correct Answer: All A., B. and C.
Vertical condenser is advantageous to the horizontal condenser from operation point of view, when________________?
A Hydrostatic head is required for refluxing the condensate
B Only the function of condensation is to be carried out
C Sub-cooling of condensate is desired
D Both the functions of condensation & sub cooling are carried out in a single unit
Correct Answer: Both the functions of condensation & sub cooling are carried out in a single unit
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