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!

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Chemical Engineering Basics MCQs | Page 97 of 136

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Q961.
The difference between gross & net calorific values of fuel is due to the

a.

sensible heat carried away by the flue gases.

b.

heat carried away by the steam from the moisture content of the fuel.

c.

heat lost by radiation.

d.

heat carried away by steam from the combustion of hydrogen in the fuel.

Discuss
Answer: (d).heat carried away by steam from the combustion of hydrogen in the fuel.
Q962.
Which of the following is preferred for rivetting ?

a.

Lap joint

b.

Butt joint

c.

Either (a) or (b)

d.

Neither (a) nor (b)

Discuss
Answer: (b).Butt joint
Q963.
Heating the hypoeutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called

a.

tempering

b.

hardening

c.

annealing

d.

normalising

Discuss
Answer: (c).annealing
Q964.
The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

a.

0.001

b.

0.01

c.

0.002

d.

0.02

Discuss
Answer: (c).0.002
Q965.
Steel balls are manufactured by

a.

sintering

b.

casting

c.

cold heading

d.

spinning

Discuss
Answer: (c).cold heading
Q966.
__________ temperature remains constant during adiabatic saturation process of unsaturated air.

a.

Dew point

b.

Dry bulb

c.

Wet bulb

d.

None of these

Discuss
Answer: (c).Wet bulb
Q967.
The best lubricants for a machine working at high temperature & load is

a.

grease

b.

solid lubricant

c.

animal oils

d.

mineral oils

Discuss
Answer: (b).solid lubricant
Q968.
One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W . m⁻¹ . k⁻¹ and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

a.

100

b.

900

c.

9000

d.

10000

Discuss
Answer: (d).10000
Q969.
Which of the following is not a principal alloying element for the structural steel?

a.

Molybednum

b.

Nickel

c.

Manganese

d.

Chromium

Discuss
Answer: (a).Molybednum
Q970.
Metalloids

a.

are good conductor of heat & electricity.

b.

act as electron donors with metals & as electron acceptor with non-metals.

c.

are not necessarily solids at room temperature.

d.

are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron.

Discuss
Answer: (d).are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron.
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