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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

Cooling water fouling factors vary in the range of 0.001 to 0.003____________________?
A (BTU/hr.ft2. °F)-1
B (kcal/hr.m2.°C)-1
C (W/m2.°K)-1
D (kcal/hr. m. °C)-1
Correct Answer: (BTU/hr.ft2. °F)-1
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?
A < 30
B < 7
C > 7 20 < 50
D
Correct Answer: < 7
For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?
A Half
B Twice
C Thrice
D Five times
Correct Answer: Thrice
Length to diameter ratio of most rotary driers is in the range of____________________?
A 1 to 2
B 4 to 10
C 10 to 20
D 20 to 30
Correct Answer: 4 to 10
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?
A 30°
B 45°
C 60°
D 75°
Correct Answer: 60°
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder _________________?
A Has greater structural strength
B Is easy to fabricate
C Both A. and B.
D Neither A. nor B.
Correct Answer: Both A. and B.
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?
A Increase
B Decrease
C Remain unaffected
D Increase or decrease depending on the nature of the dust
Correct Answer: Increase
“A claming section” before the liquid flows into the downcomer is provided to__________________?
A Permit release of entrained vapour in the liquid
B Reduce the discharge fluctuation
C Ensure better vapour-liquid contact
D Cool the liquid before it flows down
Correct Answer: Permit release of entrained vapour in the liquid
In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?
A 0.5 to 1.5
B 2.5 to 4.0
C 5 to 10
D 10 to 15
Correct Answer: 2.5 to 4.0
In a shell and tube heat exchanger, tube side _______________ of the mass velocity?
A Heat transfer co-efficient is proportional to 0.8th power
B Pressure drop is proportional to the square
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
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