Boilers Flashcards
What is a boiler?
A boiler is a closed vessel in which water or other fluid is heated.
True or False: Boilers can only be used for heating water.
False
What type of boiler uses hot gases from combustion to heat water?
Fire-tube boiler
Fill in the blank: A _______ boiler utilizes the heat of the combustion gases to heat water in tubes.
water-tube
Which type of boiler is typically used in large industrial applications?
Water-tube boiler
What are the two main types of boilers based on the water heating method?
Fire-tube and water-tube boilers
Multiple Choice: What is a common fuel used in boilers? A) Electricity B) Solar C) Natural Gas D) All of the above
D) All of the above
True or False: Steam boilers operate at lower pressures than hot water boilers.
False
What is the primary function of a steam boiler?
To generate steam for heating or power generation.
Fill in the blank: A _______ boiler is designed to produce hot water for residential heating.
hot water
What is the main advantage of a fire-tube boiler?
It has a simple design and is easy to operate.
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
B) Water-tube
What is a key component of a boiler that helps to control pressure?
Pressure relief valve
True or False: Condensing boilers are designed to recover heat from exhaust gases.
True
Which type of boiler is most suitable for high capacity steam generation?
Water-tube boiler
Fill in the blank: A _______ boiler is often used in residential settings and can be powered by gas or oil.
combi
What is the purpose of a boiler economizer?
To recover waste heat and improve efficiency.
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
D) All of the above
What does the term ‘boiler efficiency’ refer to?
The ratio of useful energy output to energy input.
True or False: A low-pressure boiler operates at pressures below 15 psi.
True
What is one disadvantage of fire-tube boilers?
They have limited steam capacity.
Fill in the blank: _______ boilers are specifically designed for high efficiency and low emissions.
Condensing
What is a common application for industrial boilers?
Power generation and process heating.
Multiple Choice: Which type of boiler requires more maintenance? A) Fire-tube B) Water-tube C) Both D) None
B) Water-tube
What is the main purpose of a boiler’s combustion chamber?
To facilitate the burning of fuel to produce heat.
True or False: Electric boilers are limited to small applications only.
False
