Process Equipment and Plant Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Process Equipment and Plant Design, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Process Equipment and Plant Design MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Process Equipment and Plant Design mcq questions that explore various aspects of Process Equipment and Plant Design problems. Each MCQ is crafted to challenge your understanding of Process Equipment and Plant Design principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Process Equipment and Plant Design MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Process Equipment and Plant Design. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Process Equipment and Plant Design knowledge to the test? Let's get started with our carefully curated MCQs!

Process Equipment and Plant Design MCQs | Page 11 of 50

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Q101.
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 this method.

d.

all 'a', 'b' & 'c'.

Discuss
Answer: (d).all 'a', 'b' & 'c'.
Q102.
The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the

a.

equal sized reactors are the best.

b.

smaller reactor should come first.

c.

larger reactor should come first.

d.

none of these.

Discuss
Answer: (b).smaller reactor should come first.
Q103.
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'

Discuss
Answer: (c).both 'a' & 'b'
Q104.
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

Discuss
Answer: (a).(BTU/hr.ft² . °F)⁻¹
Q105.
Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter )

a.

0.2 D

b.

0.5 D

c.

0.66 D

d.

0.80 D

Discuss
Answer: (a).0.2 D
Q106.
The maximum liquid gradient over a tray must not exceed

a.

0.5" -1.25".

b.

2"-3.5".

c.

5".

d.

half the tray spacing.

Discuss
Answer: (a).0.5" -1.25".
Q107.
An underdesigned steam trap will

a.

waste steam.

b.

destroy itself of acceleration wear due to rapid recycling.

c.

back up condensate and cause water hammer in steam line.

d.

none of these.

Discuss
Answer: (c).back up condensate and cause water hammer in steam line.
Q108.
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

a.

-q

b.

-q/(1-q)

c.

-q/(q-1)

d.

none of these

Discuss
Answer: (b).-q/(1-q)
Q109.
Needle valves are generally not used for

a.

very large diameter pipes.

b.

high pressure throttling service.

c.

very accurate flow control.

d.

smaller sizes of pipe.

Discuss
Answer: (a).very large diameter pipes.
Q110.
Height equivalent to a theoretical plate (HETP) is the height of packing that will give the same separation as one theoretical plate in gas-liquid mass transfer operations like distillation, absorption/stripping and humidification/dehumidification. HETP which is experimentally determined, depends upon the

a.

flow rates of each fluid.

b.

type and size of packing.

c.

concentration of each fluid.

d.

all a, b & c.

Discuss
Answer: (d).all a, b & c.
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