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 4 of 136

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Q31.
In extrusion of metals, which of the following statement is true ?

a.

speed of the extruded material is same as that of ram speed.

b.

Redundant work is a function of the die angle.

c.

Relative motion between the billet surface and the container wall is always present.

d.

Hollow ram is used for indirect extrusion.

Discuss
Answer: (d).Hollow ram is used for indirect extrusion.
Q32.
Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

a.

20

b.

200

c.

500

d.

1000

Discuss
Answer: (b).200
Q33.
Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?

a.

Emissivity of pipe surface.

b.

Diameter & length of the pipe.

c.

Temperature of hot pipe surface & that of air in the room.

d.

none of these.

Discuss
Answer: (d).none of these.
Q34.
Machinability of hard alloys and tool steels is improved by

a.

spherodising

b.

annealing

c.

tempering

d.

normalising

Discuss
Answer: (b).annealing
Q35.
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

a.

cementite

b.

austenite

c.

martensite

d.

pearlite

Discuss
Answer: (b).austenite
Q36.
Powder metallurgy process does not make metal powder by

a.

atomisation

b.

grinding/milling

c.

hammering

d.

electrolytic deposition

Discuss
Answer: (c).hammering
Q37.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.

a.

Increases the reducing potential of the gas.

b.

Increases the flame temperature.

c.

No significant change occurs.

d.

Increases the hydrogen content in the metal.

Discuss
Answer: (a).Increases the reducing potential of the gas.
Q38.
Pick out the wrong statement.

a.

A ferromagnetic material becomes paramagnetic above the 'Curie temperature'.

b.

Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials.

c.

Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces.

d.

Tungsten steel and alnico are not hard magnetic materials.

Discuss
Answer: (d).Tungsten steel and alnico are not hard magnetic materials.
Q39.
The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

a.

60 - 100

b.

400 - 700

c.

1200 -1500

d.

2000 - 2300

Discuss
Answer: (b).400 - 700
Q40.
Maximum permissible air velocity in pipelines is about __________ metre/second.

a.

5

b.

10

c.

20

d.

40

Discuss
Answer: (b).10
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