Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Previously searched by you
Previously searched by you
logo
  • Refrigeration Machine Operator
  • Refrigeration machine operator
To add items to your wishlist, you must be logged in
Document preview thumbnail
Preview 1 out of 4 pages
Exam (elaborations)

NJ Refrigeration Blue Seal 2-C Exam Questions and Answers

0.0
(0 reviews)
- sold
4 pages
2024/2025 Written for academic year
Institution Refrigeration Machine Operator
Course Refrigeration machine operator
Document preview thumbnail
Preview 1 out of 4 pages

Name the 4 steps of a mechanical refrigeration system - Answer-evaporation, expansion, compression, & condensation Name the 4 parts of a refrigeration system - Answer-compressor, condenser, receiver, & evaporator Name the 3 methods of heat transfer - Answer-conduction, convection, & radiation What type of heat increases temp, but the state remains the same? - Answer-sensible heat 600,000 BTU/HR = ____ tons of refrigeration? - Answer-50 How many tons of refrigerant is req'd to prevent 2,000 lbs of ice from melting in 24 hrs? - Answer-1 ton What is the heat of ammonia at 5°F? - Answer-565 BTUs What is the pressure of 5°F of ammonia? - Answer-19.6 psig What are expansion valves rated in? - Answer-Tons What is an indication your expansion valve is leaking? - Answer-It would frost up What formula is used to determine tower water cycles? - Answer-Tower water chlorides / make up water chlorides What will cause high head pressure? - Answer-A dirty condenser / air How many lbs of refrigerant can be stored in a cylinder with a 125 lb capacity? - Answer-100 lbs What 2 values are needed to calculate the amount of refrigeration req'd? - Answer-BTUs to be removed & the time req'd to compress the refrigerant Which seal would not be used on a compressor? - Answer-Mechanical seal Where is the booster compressor of a 2-stage refrigeration system is located? - Answer-Between the evaporator & the intercooler Which chemistry is used to determine tower water cycles? - Answer-chlorides

Content preview

NJ Refrigeration Blue Seal 2-C Exam
Questions and Answers
Name the 4 steps of a mechanical refrigeration system - Answer-evaporation,
expansion, compression, & condensation

Name the 4 parts of a refrigeration system - Answer-compressor, condenser, receiver,
& evaporator

Name the 3 methods of heat transfer - Answer-conduction, convection, & radiation

What type of heat increases temp, but the state remains the same? - Answer-sensible
heat

600,000 BTU/HR = ____ tons of refrigeration? - Answer-50

How many tons of refrigerant is req'd to prevent 2,000 lbs of ice from melting in 24 hrs?
- Answer-1 ton

What is the heat of ammonia at 5°F? - Answer-565 BTUs

What is the pressure of 5°F of ammonia? - Answer-19.6 psig

What are expansion valves rated in? - Answer-Tons

What is an indication your expansion valve is leaking? - Answer-It would frost up

What formula is used to determine tower water cycles? - Answer-Tower water
chlorides / make up water chlorides

What will cause high head pressure? - Answer-A dirty condenser / air

How many lbs of refrigerant can be stored in a cylinder with a 125 lb capacity? -
Answer-100 lbs

What 2 values are needed to calculate the amount of refrigeration req'd? - Answer-
BTUs to be removed & the time req'd to compress the refrigerant

Which seal would not be used on a compressor? - Answer-Mechanical seal

Where is the booster compressor of a 2-stage refrigeration system is located? - Answer-
Between the evaporator & the intercooler

Which chemistry is used to determine tower water cycles? - Answer-chlorides

Document information

Uploaded on
September 10, 2024
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers
Report Copyright Violation
$10.99
Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF
Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
lectknancy
3.8
(80)
Sold
328
Followers
27
Items
26139
Last sold
1 day ago
Available in package deal
Product Image
Package deal
Refrigerated Machine Operator Exam Bundle Graded A+
-
-
Sold
44
item
Sep 2024
$617.56
$45.99
You save 93% More Info

Browse related subjects

Subjects

  • nj refrigeration blue seal 2 c exam questions and
  • name the 4 steps of a mechanical refrigeration sys

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Learn more Create citation
Working on your references?

Frequently asked questions