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 108 of 136

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Q1071.
Yield strength of a polycrystalline metal with an average grain size, d, is proportional to

a.

d^1/2

b.

d^(-1/2)

c.

d

d.

d^(-1)

Discuss
Answer: (b).d^(-1/2)
Q1072.
Pick out the wrong statement:

a.

Soft water is more corrosive than that carrying calcium salts.

b.

The corrosion of brass condenser tubes handling brine solution is also termed as 'dezincification'.

c.

Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses).

d.

Pure copper is highly susceptible to stress corrosion.

Discuss
Answer: (d).Pure copper is highly susceptible to stress corrosion.
Q1073.
The tensile strength of plastics ranges from __________ kg/mm².

a.

10 to 50

b.

50 to 100

c.

0.01 to 0.1

d.

0.1 to 10

Discuss
Answer: (d).0.1 to 10
Q1074.
Grain hardness is measured by the __________ hardness testing method.

a.

Knoop

b.

Rockwell F

c.

Shore sceleroscope

d.

Vicker's

Discuss
Answer: (a).Knoop
Q1075.
The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.

a.

40

b.

80

c.

10

d.

25

Discuss
Answer: (a).40
Q1076.
During brazing, if the fluxes are entrapped, it results in the

a.

distortion of brazed joints.

b.

cracking of joints.

c.

presence of gas pockets.

d.

corrosion.

Discuss
Answer: (d).corrosion.
Q1077.
Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

a.

15

b.

25

c.

10

d.

30

Discuss
Answer: (b).25
Q1078.
All modes of heat transfer i.e., conduction, convection & radiation occur in case of the

a.

condensation of steam in a partial condenser.

b.

boiler furnace.

c.

insulated pipe car raying high pressure steam.

d.

none of these.

Discuss
Answer: (b).boiler furnace.
Q1079.
The standard instrument used for calibrating the load applied by universal testing machine is called

a.

extensometer

b.

spring balace

c.

dynamometer

d.

none of these

Discuss
Answer: (d).none of these
Q1080.
The reductant used in the extraction of magnesium from calcined dolomite via Pidgeon's process is

a.

pure carbon

b.

pure silicon

c.

ferro silicon

d.

ferro manganese

Discuss
Answer: (c).ferro silicon
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