HVAC Control Strategy
Glossary Terms
Test Your Knowledge
Test Your Knowledge
Test Your Knowledge
100
The 'H' in HVAC stands for.
Heating
100
An automatic or manual valve that removes are from the highest point of a coil or piping system.
What is an air vent?
100
Slow or insufficient heat in one or more rooms in a steam heated building can be caused by 
a faulty steam trap
100
A hot water boiler of the same output is 
smaller than a steam boiler
100
Do electric motors give off sensible heat while they are running
Yes
200
ST is control Instrumentation Identifier for
What is a steam trap?
200
Air returning from a building that is exhausted directly to the outside instead of being reconditioned. 
What is exhaust air?
200
Unit ventilators use
a mixture of inside and outside air
200
True or False The following are all considered a facility heat gains.


People, Lighting, Food, and Motors.

True
200
In an internally fired, gas fired infrared heater, the surface temp is 
400degC
300
Rotary regenerative heat exchanger, heat wheel and energy wheel are all different names for
What is a thermal wheel?
300
What does VAV stand for
What is Variable Volume by Air?
300
Vacuum pump perform the following function
returns condensate to the boiler
300
A low temp catalytic heater contains a layer of 
glass wool impregnated with a catalyst
300
Air tends to collect in the 
highest spots of piping and heat units?
400
Hot and Cold locations in the building.


Air Imbalances.

What is air volume issues?
400
Steam generated with mineral and chemical free water to meet regulatory requirements for use in food, drug, medical, or HVAC humidification processes.
What is Clean Steam?
400
A radiator trap is a device used to allow
condensate to leave the boiler
400
Heat is lost from a building in which ways
conduction, convection and radiation
400
Heat loss from a building is greater on
windier days
500
A tube with a capillary wick structure consisting of fine circumferential striation machined on its internal surface.
What is a heat tube?
500
A heat exchanger with fins attached along the coil to increase the heat transfer surface area.
What is a Fin-Coil Heat exchanger?
500
An advantage of a thermal wheel heat recovery system
Piping an pumps are not required
500
An air separator should always be installed in a
horizontal pipe
500
To ensure that each zone has the proper flow of water 
a balancing valve is used
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