P99 LOW PRESSURE BOILER
PRACTICE TEST AND ITS ANSWERS
Water, heat and container
_Is necessary to generate steam in a boiler
Heating surface
The _____ is the part of the boiler with water on one side
and heat on the other
Firetube
A _____ boiler has heat and gases of combustion that
pass through tubes surrounded by water
Watertube
A _____ boiler has water in the tubes and heat and gases
of combustion passing around the tubes
Baffles
_____ are used in boilers to direct the gases of
combustion over the boiler heating surface
Sensible heat
Heat that can be measured with a thermometer is called
Heat exchanger
A _____ is used to transfer heat from one substance to
another without allowing the materials to mix
Combustion chamber
In the _____, air mixes with fuel and burns
Perfect combustion
_____ is combustion that occurs when fuel is burned using
only the theoretical amount of air
Primary air
PRACTICE TEST AND ITS ANSWERS
Water, heat and container
_Is necessary to generate steam in a boiler
Heating surface
The _____ is the part of the boiler with water on one side
and heat on the other
Firetube
A _____ boiler has heat and gases of combustion that
pass through tubes surrounded by water
Watertube
A _____ boiler has water in the tubes and heat and gases
of combustion passing around the tubes
Baffles
_____ are used in boilers to direct the gases of
combustion over the boiler heating surface
Sensible heat
Heat that can be measured with a thermometer is called
Heat exchanger
A _____ is used to transfer heat from one substance to
another without allowing the materials to mix
Combustion chamber
In the _____, air mixes with fuel and burns
Perfect combustion
_____ is combustion that occurs when fuel is burned using
only the theoretical amount of air
Primary air
