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 25 of 136

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Q241.
With increase in temperature, the surface tension of water

a.

increases

b.

decreases

c.

remains constant

d.

increases linearly

Discuss
Answer: (b).decreases
Q242.
Laser is a device to produce

a.

gamma rays.

b.

microwaves.

c.

a beam of white light.

d.

a beam of coherent light.

Discuss
Answer: (d).a beam of coherent light.
Q243.
Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

a.

manganese

b.

phosphorous

c.

magnesium

d.

chromium

Discuss
Answer: (c).magnesium
Q244.
Minimum thermal efficiency of a steam boiler may be around __________ percent

a.

25

b.

45

c.

65

d.

20

Discuss
Answer: (d).20
Q245.
The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

a.

768

b.

908

c.

1400

d.

1539

Discuss
Answer: (a).768
Q246.
Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails

a.

below the yield point.

b.

above the yield point.

c.

below the elastic limit.

d.

at the elastic limit.

Discuss
Answer: (a).below the yield point.
Q247.
Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

a.

cobalt, chromium & tungsten.

b.

cobalt, chromium & nickel.

c.

molybdenun, tungsten & chromium.

d.

cobalt, zirconium & molybdenum.

Discuss
Answer: (a).cobalt, chromium & tungsten.
Q248.
Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

a.

Aluminium

b.

Copper

c.

Titanium

d.

Stainless steel

Discuss
Answer: (c).Titanium
Q249.
Which of the following is an ore dressing operation ?

a.

Classification

b.

Smelting

c.

Roasting

d.

None of these

Discuss
Answer: (a).Classification
Q250.
Gratings is associated with the measurement of

a.

linear displacement.

b.

concavity/convexity.

c.

surface texture.

d.

flatness.

Discuss
Answer: (a).linear displacement.
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