Boilers

Question 1

What is a boiler?

Answer 1

A boiler is a closed vessel in which water or other fluid is heated.

Question 2

True or False: Boilers can only be used for heating water.

Answer 2

False

Question 3

What type of boiler uses hot gases from combustion to heat water?

Answer 3

Fire-tube boiler

Question 4

Fill in the blank: A _______ boiler utilizes the heat of the combustion gases to heat water in tubes.

Answer 4

water-tube

Question 5

Which type of boiler is typically used in large industrial applications?

Answer 5

Water-tube boiler

Question 6

What are the two main types of boilers based on the water heating method?

Answer 6

Fire-tube and water-tube boilers

Question 7

Multiple Choice: What is a common fuel used in boilers? A) Electricity B) Solar C) Natural Gas D) All of the above

Answer 7

D) All of the above

Question 8

True or False: Steam boilers operate at lower pressures than hot water boilers.

Answer 8

False

Question 9

What is the primary function of a steam boiler?

Answer 9

To generate steam for heating or power generation.

Question 10

Fill in the blank: A _______ boiler is designed to produce hot water for residential heating.

Answer 10

hot water

Question 11

What is the main advantage of a fire-tube boiler?

Answer 11

It has a simple design and is easy to operate.

Question 12

Multiple Choice: Which type of boiler is typically more efficient? A) Fire-tube B) Water-tube C) Both are equally efficient D) None of the above

Answer 12

B) Water-tube

Question 13

What is a key component of a boiler that helps to control pressure?

Answer 13

Pressure relief valve

Question 14

True or False: Condensing boilers are designed to recover heat from exhaust gases.

Answer 14

True

Question 15

Which type of boiler is most suitable for high capacity steam generation?

Answer 15

Water-tube boiler

Question 16

Fill in the blank: A _______ boiler is often used in residential settings and can be powered by gas or oil.

Answer 16

combi

Question 17

What is the purpose of a boiler economizer?

Answer 17

To recover waste heat and improve efficiency.

Question 18

Multiple Choice: What type of boiler is commonly used for space heating? A) Fire-tube B) Electric C) Hot water D) All of the above

Answer 18

D) All of the above

Question 19

What does the term ‘boiler efficiency’ refer to?

Answer 19

The ratio of useful energy output to energy input.

Question 20

True or False: A low-pressure boiler operates at pressures below 15 psi.

Answer 20

True

Question 21

What is one disadvantage of fire-tube boilers?

Answer 21

They have limited steam capacity.

Question 22

Fill in the blank: _______ boilers are specifically designed for high efficiency and low emissions.

Answer 22

Condensing

Question 23

What is a common application for industrial boilers?

Answer 23

Power generation and process heating.

Question 24

Multiple Choice: Which type of boiler requires more maintenance? A) Fire-tube B) Water-tube C) Both D) None

Answer 24

B) Water-tube

Question 25

What is the main purpose of a boiler’s combustion chamber?

Answer 25

To facilitate the burning of fuel to produce heat.

Question 26

True or False: Electric boilers are limited to small applications only.

Answer 26

False