Chemical Engineering Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Basics, 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 Chemical Engineering Basics 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 Chemical Engineering Basics mcq questions that explore various aspects of Chemical Engineering Basics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Basics 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 Chemical Engineering Basics 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 Chemical Engineering Basics. 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 Chemical Engineering Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Basics MCQs | Page 43 of 136

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Q421.
Steam condenser tubes are made of ad-mirability brass, in which percentage of zinc & copper are __________ respectively.

a.

70 & 30

b.

30 & 70

c.

50 & 50

d.

90 & 10

Discuss
Answer: (a).70 & 30
Q422.
Dislocation cross-slip is difficult in those materials, which have

a.

large number of slip systems.

b.

high work hardening rate.

c.

coarse grain size.

d.

low stacking fault energy.

Discuss
Answer: (d).low stacking fault energy.
Q423.
Shrinkage allowance on pattern is provided to compensate for shrinkage when the

a.

metal changes from liquid state to solid state at freezing temperature.

b.

solid phase temperature drops from freezing temperature to the room temperature.

c.

liquid metal temperature drops from pouring temperature to room temperature.

d.

liquid metal temperature drops from pouring temperature to freezing temperature.

Discuss
Answer: (b).solid phase temperature drops from freezing temperature to the room temperature.
Q424.
Spark plug is provided in a/an

a.

engine having carburettor.

b.

diesel engine.

c.

compression ignition engine.

d.

both(b) & (c).

Discuss
Answer: (a).engine having carburettor.
Q425.
Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

a.

Re^0.5, Re^0.8

b.

Re^0.8, Re^-0.5

c.

Re^0.8, Re^0.5

d.

Re^-0.8, Re^0.5

Discuss
Answer: (c).Re^0.8, Re^0.5
Q426.
For the irreversible reaction, Ca+ 2C = CaCβ‚‚ , Ξ” H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

a.

30000 J

b.

60000 J

c.

90000 J

d.

240000 J

Discuss
Answer: (c).90000 J
Q427.
Projection welding & stud welding is categorised as the __________ welding.

a.

pressure

b.

thermit

c.

resistance

d.

arc

Discuss
Answer: (c).resistance
Q428.
The driving force for the sintering of a powder compact is

a.

strain energy.

b.

surface energy.

c.

volume energy.

d.

stacking fault energy.

Discuss
Answer: (b).surface energy.
Q429.
The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

a.

evaporative capacity

b.

evaporation efficiency

c.

thermal efficiency

d.

steam load

Discuss
Answer: (a).evaporative capacity
Q430.
Volumetric composition of flue gas analysed with the Orsat apparatus is : COβ‚‚ = 12%, Oβ‚‚ = 8%, CO = nil, Nβ‚‚ = 80%. This flue gas composition indicates that

a.

pure oxygen has been used for combustion.

b.

nitrogen percentage in the fuel is very high.

c.

excess air has been used for combustion.

d.

hydrogen is not present in the fuel.

Discuss
Answer: (c).excess air has been used for combustion.
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