Furnace Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Furnace Technology, 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 Furnace Technology 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 Furnace Technology mcq questions that explore various aspects of Furnace Technology problems. Each MCQ is crafted to challenge your understanding of Furnace Technology 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 Furnace Technology 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 Furnace Technology. 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 Furnace Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Furnace Technology MCQs | Page 12 of 16

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Q111.
Advantages of use of preheated combustion air are

a.

saving in fuel consumption.

b.

reduction in scale losses.

c.

increase in flame temperature.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q112.
Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the

a.

physical nature, ash content and fineness of the coal.

b.

amount of excess air supplied and load on the boiler.

c.

type of burner and combustion chamber.

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q113.
The heating capacity of continuous reheating furnace depends upon the

a.

hearth area and furnace temperature.

b.

emissivity of the stock.

c.

ratio of wall surface to stock surface.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q114.
Pick out the wrong statement.

a.

Addition of methane to the furnace atmosphere reduces decarburising by hydrogen.

b.

Nitrogen in presence of steam decar-burises high carbon steel, whereas hydrocarbon gases carburise the surface of steel at annealing temperatures.

c.

Active nitrogen (formed by cracking ammonia at the metal surface) cause nitride formation with increase in surface hardness.

d.

none of these.

Discuss
Answer: (d).none of these.
Q115.
Which one is not an induced draught furnace?

a.

Blast furnace stove

b.

Sintering furnace

c.

High pressure boiler

d.

None of these

Discuss
Answer: (a).Blast furnace stove
Q116.
Overfire burning in a furnace is a phenomenon characterised by

a.

supply of excess fuel.

b.

supply of excess air.

c.

burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air.

d.

none of these.

Discuss
Answer: (c).burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air.
Q117.
If fuel and air are mixed ahead of the burner, it is called a/an __________ burner.

a.

premix

b.

outside mixing type

c.

rotary

d.

diffusion

Discuss
Answer: (a).premix
Q118.
Neutral atmosphere is maintained in a/an __________ furnace.

a.

cold rolled steel coil annealing

b.

open hearth

c.

soaking pit

d.

walking beam reheating

Discuss
Answer: (a).cold rolled steel coil annealing
Q119.
The resistance furnace produces heat by the

a.

electric arc struck between electrodes and the charge.

b.

flow of current through a heating element.

c.

combination of induced current and skin effect.

d.

none of these

Discuss
Answer: (b).flow of current through a heating element.
Q120.
Which of the following variables does not affect the furnace capacity ?

a.

Size of the furnace.

b.

Gas velocity in furnace.

c.

Ratio of wall surface to surface of stock.

d.

None of these.

Discuss
Answer: (d).None of these.
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