Boilers 2

Question 1

What is the primary function of a boiler?

Answer 1

To convert water into steam or heat water for heating purposes.

Question 2

True or False: A boiler can only produce steam.

Answer 2

False

Question 3

What are the two main types of boilers?

Answer 3

Fire-tube boilers and water-tube boilers.

Question 4

Fill in the blank: The ______ is the component that contains the water to be heated in a boiler.

Answer 4

drum

Question 5

What is the role of the burner in a boiler system?

Answer 5

To mix fuel with air and ignite it for combustion.

Question 6

Short answer: What is the purpose of the heat exchanger in a boiler?

Answer 6

To transfer heat from the combustion gases to the water.

Question 7

Which component is responsible for removing ash and soot from the boiler?

Answer 7

The economizer.

Question 8

True or False: A steam boiler operates at a lower pressure than a hot water boiler.

Answer 8

False

Question 9

What safety device is used to prevent excessive pressure buildup in a boiler?

Answer 9

Pressure relief valve.

Question 10

Multiple Choice: Which of the following is NOT a common fuel type for boilers? A) Natural Gas B) Coal C) Electricity D) Water

Answer 10

D) Water

Question 11

What does the term ‘boiler efficiency’ refer to?

Answer 11

The ratio of useful energy output to the energy input.

Question 12

Fill in the blank: The ______ system in a boiler helps to circulate hot water or steam throughout a building.

Answer 12

piping

Question 13

What is the purpose of a blowdown valve in a boiler?

Answer 13

To remove sediment and impurities from the water.

Question 14

True or False: A condensing boiler recovers heat from flue gases that would otherwise be wasted.

Answer 14

True

Question 15

Short answer: What is the main advantage of a water-tube boiler over a fire-tube boiler?

Answer 15

Higher efficiency and ability to produce steam at higher pressures.

Question 16

What component of a boiler controls the flow of fuel and air?

Answer 16

The control system or burner management system.

Question 17

Multiple Choice: Which part of the boiler is used to monitor and control water levels? A) Pressure gauge B) Water level gauge C) Thermostat D) Burner

Answer 17

B) Water level gauge

Question 18

Fill in the blank: The ______ is the area in the boiler where combustion takes place.

Answer 18

furnace

Question 19

What is the function of the flue gas stack in a boiler?

Answer 19

To vent combustion gases to the atmosphere.

Question 20

True or False: Boilers can be used for both residential and industrial applications.

Answer 20

True

Question 21

What is the primary purpose of insulation in a boiler system?

Answer 21

To reduce heat loss and improve energy efficiency.

Question 22

Multiple Choice: Which of the following is a key indicator of boiler performance? A) Water temperature B) Fuel type C) Steam pressure D) Boiler color

Answer 22

C) Steam pressure

Question 23

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

Answer 23

Water-tube boiler.

Question 24

Fill in the blank: The ______ is a device that regulates the temperature of the water in the boiler.

Answer 24

thermostat

Question 25

Short answer: What is the significance of the combustion chamber in a boiler?

Answer 25

It is where the fuel is burned to generate heat.