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When explaining to a customer that you have topped off the system charge, which
... [Show More] of the following terms is most appropriate? - answer
It is important to be _____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. - answer
The ability to utilize all types of communication skills is _____ to the HVACR technician - answer
Listening carefully to what a customer is telling you _____. - answer
When you arrive at a service call and meet the customer, you should ______. - answer
What is the volume of a room measures 10ft by 20ft with an 8ft ceilings? - answer
What is the cfm requirements for an 1,800-ft2 house with 8ft ceilings , if 5 air changes per hour are needed? - answer
What is the cfm requirement for an 2,400-ft2 house with 8ft ceilings, if five air changes per hour are needed? - answer
What is the cross-sectional area of a 10 in round metal duct? - answer
How fast does air with a velocity pressure of 0.20 in w.g. move through a round duct? - answer
How fast does air move with a velocity pressure of 0.20 in w.g. move through a square duct? - answer
Customers depend on you to be _______. - answer
Before leaving a service call, you should be sure to ______. - answer
What is the advantage of using a tube cutter to cut copper pipe? - answer
Spring-type benders may be used on ______. - answer
A flaring tool is used to ________. - answer
A swaging tool is used to _______. - answer
What is one of the advantages of a glass-stem thermometer? - answer
In discussing human comfort, the temperature most commonly referred to is _______. - answer
A sling psycrometer uses two glass-stem thermometers. One measures dry-bulb, and the other measures ________. - answer
A standard refrigeration manifold uses what type of element to measure pressures? - answer
What is the pressure range of a standard compound gauge on a refrigeration manifold? -
What is the best tool for removing moisture and non-condensibles from a system before adding refrigerant - answer
A vacuum gauge reads pressure in _______. - answer
Which of the following is not a method of leak detection? - answer
To prevent the release of refrigerant to the atmosphere while removing it from a system, what type of equipment must be used? - answer
An anemometer uses a small fan blade to measure _______. - answer
What is one of the advantages of using silver brazing rods for copper to copper joints? - answer
"Housekeeping" includes ________. - answer
What type of eye protection should you wear when drilling overhead? - answer
Wat agency regulates cylinders and chemicals transported in a service vehicle? - answer
Material safety Data Sheet _________. - answer
When should oxygen be used in a refrigeration system? - answer
What is the maximum safe storage temperature of a refrigerant cylinder filled to 80% capacity by weight? - answer
Which of the following classifications of fire extinguishers should be used for electrical fires? - answer
Which of the following categories could be considered a hazardous atmosphere in a confined space?
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