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 8 of 136

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Q71.
Fire in fuel gas pipelines is extinguished most effectively by

a.

spraying water.

b.

blanketting the area with nitrogen atmosphere.

c.

fire fighting foam.

d.

none of these.

Discuss
Answer: (b).blanketting the area with nitrogen atmosphere.
Q72.
Which of the following is the most suitable abrasive for grinding high tensile strength materials ?

a.

Silicon carbide

b.

Corundum

c.

Aluminium oxide

d.

Boron carbide

Discuss
Answer: (c).Aluminium oxide
Q73.
The most suitable material of construction for a sewer to carry sewage under high pressure is

a.

asbestos cement

b.

steel

c.

cement concrete

d.

stoneware

Discuss
Answer: (b).steel
Q74.
Filler material used in welding should have __________ as compared to the parent metal to be welded.

a.

lower melting temperature

b.

same melting temperature

c.

same composition

d.

both 'b' & 'c'

Discuss
Answer: (d).both 'b' & 'c'
Q75.
Oxygen cylinders used for autogenous (cutting/welding) purposes are

a.

seamless & made of steel.

b.

heat treated before use.

c.

made by sand casting.

d.

welded steel cylinders.

Discuss
Answer: (a).seamless & made of steel.
Q76.
Identify the correct statement.

a.

Sphlerite is zinc oxide.

b.

The first law of the thermodynamics is stated as ฮดE = ฮดQ - ฮดW.

c.

Lead can be produced in a blast furnace.

d.

T. ferrooxidans is a fungus that can be used for leaching chalcopyrite.

Discuss
Answer: (c).Lead can be produced in a blast furnace.
Q77.
Dowtherm is a

a.

high temperature heating medium (a petroleum product).

b.

product of coal tar distillation.

c.

very heat sensitive material.

d.

none of these.

Discuss
Answer: (a).high temperature heating medium (a petroleum product).
Q78.
In chemical dehumidification process

a.

wet bulb temperature increases.

b.

dry bulb temperature remains constant.

c.

dew point temperature increases.

d.

dry bulb temperature increases.

Discuss
Answer: (b).dry bulb temperature remains constant.
Q79.
Secondary hardening in steels arises out of the

a.

precipitation of fine alloy carbides at high temperatures.

b.

refinement of ferrite grain size by working.

c.

decomposition of retained austenite upon heat treatment.

d.

precipitation of complex inter-metal-lics upon heat treatment.

Discuss
Answer: (c).decomposition of retained austenite upon heat treatment.
Q80.
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.
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