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Vermont-HVAC-Heating and Air Conditioning Online Practice Test

These are actual questions from our online practice test.

We have included a question from each chapter of the test. Every question will be multiple choice. The answers are not included with the sample.

Sample Questions

# Chapter Title Question
1 Temperatures, Boilers, Furnaces and Valves Cross linked polyethylene may be expressed as _______.
2 Compressors, Ducts, Furnaces and Exhaust Hoods If the ignition on a gas boiler is not achieving a spark you should check ____________.
3 Compressors, Refrigerants, Valves, Air Conditioning and Thermostats A system shutoff valve should be installed near the liquefied __________ tank point of connection.
4 Evaporators, Lubricants, Pipelines and Water Pressure The shell of a shell and tube or shell and coil condenser acts as __________.
5 Installation and Ductwork The gas piping to supply mobile homes should be installed at least _____ inches below grade.
6 Installation and Troubleshooting What category venting system is used for an induced draft non-condensing furnace?
7 Configurations and Pipes HVAC Pump Handbook Section 9.3.1 is in reference to system _____________ components.
8 Gas Codes Underground piping systems must be installed with a minimum of _______ inches (300 mm) of cover.
9 System Applications If a water system is operating at 75 psig pressure at an altitude of 1000 ft the atmospheric pressure is 14.2 lb/in 2, so the absolute pressure is ___________ psia.
10 Pumps Regarding the HVAC Pump Handbook, Section 4.2 is in reference to the centrifugal pump ______________ design.
11 Chillers The most important factors in the development of efficient and cost effective chilled water generating plants is proper installation and __________ of chillers on HVAC chilled water systems.
12 System Design Data If a water system is operating at 75 psig pressure at an altitude of 1000 ft the atmospheric pressure is 14.2 lb/in 2, so the absolute pressure is ___________ psia.
13 Pump Description The two principal types of centrifugal pumps for HVAC are axial flow pumps and __________ pumps .
14 Water Use in HVAC Systems Through the use of variable speed pumps, ______________ water systems are realizing greater efficiencies.
15 Tower Pumps Cooling towers are generally rated in tons of cooling _______________ Btu/ton.
16 Distribution Systems _____________ % of cooling speed in heating can be generated through the modern two pipe system which has variable sized pumps, operating at high speed in cooling and reduced speed.
17 Two Pipe Cooling and Heating Systems _____________ % of cooling speed in heating can be generated through the modern two pipe system which has variable sized pumps, operating at high speed in cooling and reduced speed.
18 Friction A measure of channel flow efficiency is the definition of Hydraulic _________________.
19 Speed and Curves What is NPSH?
20 Storage Tanks In pumping open thermal storage tanks, it is important to ensure that the thermal ____________ is maintained for control of the temperature of the storage tank.
21 Motor Controls and Occupancies Energy sources used for HVAC include electricity and ________.
22 Safety and Dig Alert

On _____________ -employer worksites, an employer performing work requiring the establishment of a regulated area shall inform other employers on the site of the nature of the employer's work with asbestos and/or PACM, of the existence of and requirements pertaining to regulated areas, and the measures taken to ensure that employees of such other employers are not exposed to asbestos.

24 Estimating, Basic Blueprint Reading and Plans A revision (marker) is shown on the completed set of working drawings by _______________.


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