NATE CORE complete latest exam 100% guaranteed pass
When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - answer
It is important to be _____ in filling out service orders so that office staff, oth...
When explaining to a customer that you have topped off the system charge, which of
the following terms is most appropriate? - answer Refrigerant
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
All of the above (clear, complete, concise)
The ability to utilize all types of communication skills is _____ to the HVACR technician
- answer Very important
Listening carefully to what a customer is telling you _____. - answer Can help you
diagnose the problem
When you arrive at a service call and meet the customer, you should ______. - answer
Listen to the customer first, than ask questions
What is the volume of a room measures 10ft by 20ft with an 8ft ceilings? - answer
1,600 ft3
What is the cfm requirements for an 1,800-ft2 house with 8ft ceilings , if 5 air changes
per hour are needed? - answer 1,200 cfm
What is the cfm requirement for an 2,400-ft2 house with 8ft ceilings, if five air changes
per hour are needed? - answer 1,600 cfm
What is the cross-sectional area of a 10 in round metal duct? - answer 79 in2
How fast does air with a velocity pressure of 0.20 in w.g. move through a round duct? -
answer 1,800 ft/min
, How fast does air move with a velocity pressure of 0.20 in w.g. move through a square
duct? - answer 1,800 ft/min
Customers depend on you to be _______. - answer All of the above (honest, loyal,
patient)
Before leaving a service call, you should be sure to ______. - answer Demonstrate
system operation and describe basic maintenance procedures to the customers
What is the advantage of using a tube cutter to cut copper pipe? - answer All of the
above (It can cut hard or soft drawn copper, It leaves no metal shavings to contaminate
the system, It produces a clean, square cut)
Spring-type benders may be used on ______. - answer Soft drawn copper
A flaring tool is used to ________. - answer Make a mechanical joint in tubing
A swaging tool is used to _______. - answer Solder tubing without the use of
couplings
What is one of the advantages of a glass-stem thermometer? - answer It is very
accurate
In discussing human comfort, the temperature most commonly referred to is _______. -
answer Dry-bulb
A sling psycrometer uses two glass-stem thermometers. One measures dry-bulb, and
the other measures ________. - answer Wet-bulb
A standard refrigeration manifold uses what type of element to measure pressures? -
answer Bourdon tube
What is the pressure range of a standard compound gauge on a refrigeration manifold?
- answer 30 in. Hg to 350 psig
What is the best tool for removing moisture and non-condensibles from a system before
adding refrigerant - answer Vacuum pump
A vacuum gauge reads pressure in _______. - answer Microns
Which of the following is not a method of leak detection? - answer Micronic
To prevent the release of refrigerant to the atmosphere while removing it from a system,
what type of equipment must be used? - answer Recovery machine
An anemometer uses a small fan blade to measure _______. - answer Air velocity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller docguru. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
