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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

Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger ?
A The corrosive and fouling fluid should be preferably routed through the tubes
B The viscous fluid should be routed through the shell side
C Lower flow rate fluid should be routed through the shell side
D Higher pressure fluid stream should be routed through the shell side
Correct Answer: Higher pressure fluid stream should be routed through the shell side
Rate of filtrate delivery is inversely proportional to the___________________?
A Filtering area & the pressure difference driving force
B Viscosity of filtrate
C Cake & filter medium resistance
D Both A. and B.
Correct Answer: Both A. and B.
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele’s method, this method_________________?
A is more accurate in finding the number of equilibrium stages
B accounts for the enthalpy changes in the process
C Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in
D All A, B. & C.
Correct Answer: All A, B. & C.
The safe height (h) to diameter D. ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than _________________?
A 1
B 2
C 3
D 3.5
Correct Answer: 1
What is the slope of the operating line in the stripping section of a distillation column ?
A 0
B ∞
C > 1
D < 1
Correct Answer: > 1
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?
A Conical
B Flat
C Floating
D Fixed
Correct Answer: Floating
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator__________________?
A Is economical in operation
B Employs high velocity, high heat transfer rate and less heating surface requirement
C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to
D Both B. & C.
Correct Answer: Both B. & C.
An adequate clearance between the tray and the shell wall of a distillation column is provided to_____________________?
A Drain the liquid from the tray when the unit is not in operation
B Allow for thermal expansion and facilitate installation
C Avoid back-trapping
D None of these
Correct Answer: Allow for thermal expansion and facilitate installation
Safety valves are provided in chemical equipments to guard against excessive_________________?
A Temperature
B Pressure/pressure fluctuation
C Turbulence
D Noise
Correct Answer: Pressure/pressure fluctuation
Theoretically calculated diameter of the stripping section of the continuous rectification column is ______________ that of the enriching section?
A Less than
B More than
C Same as
D Either more or less (depending upon relative volatility
Correct Answer: More than
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