Exam (elaborations)
COMMERCIAL REFRIGERATION. EXAM WITH ALL ANSWERS
- Course
- Institution
COMMERCIAL REFRIGERATION. EXAM WITH ALL ANSWERS
[Show more]
Content preview
Practice Light Commercial ( d ) ( nate certification )Study online at https://quizlet.com/_brshl9
1. After an air conditioning system has been installed
The correct
and a leak check performed, the system should be
answer is: 500
evacuated to:
microns or
2. The safest way to locate a natural or LP gas leak is below.
to use:
The correct
3. For a compressor motor rated for 208/230 volts answer is: soap
sin- gle-phase, the minimum and maximum bubbles.
operating voltages, respectively, are:
The correct
4. During the heating season, increased air velocity answer is: 187
at the supply register mat cause an individual to and 253.
feel:
5. How many amps will a 10-kW electric heater pull The correct
at 240- V? answer is: cool.
6. On rectangular sheet metal ductwork, the The correct
preferred position of the drive cleat is: answer is: 42.
The correct
answer is: on
the short sides.
7. In a 12"X 24" duct the air velocity is measured at 700 The correct
answer
fpm, what is the airflow quantity? economizer
package
8. To reach the roof of the 20 ft. high building, how far applied to a
from the base of the wall should the foot of the rooftop air
ladder be placed? conditioner is
to:
9. Before installing gauges on an operating compres-
sor having stem-type service valves, the technician
should check to be sure the valve is in which of the
following positions before removing the service
port cap?
10.The primary benefit to be derived from an
1/4
, Practice Light Commercial ( d ) ( nate certification )
Study online at https://quizlet.com/_brshl9
is: 1400 CFM.
The correct answer is: 5ft.
The correct
answer is:
The correct answer is: back-seated. reduce cooling
costs.
11. The correct
answer
is: Restriction in
2/4
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 HIGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now