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 1 of 136

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Q1.
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
Q2.
Projection welding & stud welding is categorised as the __________ welding.

a.

pressure

b.

thermit

c.

resistance

d.

arc

Discuss
Answer: (c).resistance
Q3.
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.
Q4.
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
Q5.
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.
Q6.
Coating provided on the electrodes used in the arc welding is not expected to

a.

add alloying elements.

b.

prevent electrode from contamination.

c.

stabilise the arc.

d.

provide protective atmosphere to weld.

Discuss
Answer: (b).prevent electrode from contamination.
Q7.
Desalination of water

a.

makes it potable.

b.

makes it non-potable.

c.

means distillation of water.

d.

none of these.

Discuss
Answer: (a).makes it potable.
Q8.
Viscoelastic behaviour is observed in __________ materials.

a.

non-crystalline organic polymeric

b.

ceramic

c.

all crystalline

d.

all amorphous

Discuss
Answer: (a).non-crystalline organic polymeric
Q9.
Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

a.

pressure falls below the vapour pressure

b.

pressure becomes very high

c.

temperature becomes low

d.

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

Discuss
Answer: (d).all 'a', 'b' & 'c'
Q10.
Which of the following materials has the poorest electrical conductivity ?

a.

Carbon

b.

Aluminium

c.

Silver

d.

Stainless steel

Discuss
Answer: (a).Carbon
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