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 3 pages
Exam (elaborations)

chapter 121 compression refrigeration system pre startup procedures Exam Questions and Answers

0.0
(0 reviews)
- sold
3 pages
2024/2025 Written for academic year
Institution Refrigeration Machine Operator
Course Refrigeration machine operator
Document preview thumbnail
Preview 1 out of 3 pages

Positive pressure testing of a new refrigeration system may be done: Using litmus paper. By filling the system with oxygen. By filling the system with ammonia. By filling the system with an inert gas. By filling the system with softened water. - Answer-by filling the system with an inert gas A sulphur candle is used to test for: Freon leaks Ammonia leaks Propane Vacuum seal CFC leaks - Answer-ammonia leaks Which of the following is NOT a problem associated with excessive head pressure in a refrigeration plant? Increased power consumption. Decreased condenser capacity. Reduced compressor capacity. Over-stressed compressor parts. Premature compressor lube-oil breakdown. - Answer-decreased condenser capacity Which of the following statements about adding oil to a system is true?

Content preview

chapter 121 compression refrigeration
system pre startup procedures Exam
Questions and Answers
Positive pressure testing of a new refrigeration system may be done:

Using litmus paper.

By filling the system with oxygen.

By filling the system with ammonia.

By filling the system with an inert gas.

By filling the system with softened water. - Answer-by filling the system with an inert gas

A sulphur candle is used to test for:

Freon leaks

Ammonia leaks

Propane

Vacuum seal

CFC leaks - Answer-ammonia leaks

Which of the following is NOT a problem associated with excessive head pressure in a
refrigeration plant?

Increased power consumption.

Decreased condenser capacity.

Reduced compressor capacity.

Over-stressed compressor parts.

Premature compressor lube-oil breakdown. - Answer-decreased condenser capacity

Which of the following statements about adding oil to a system is true?

Document information

Uploaded on
September 10, 2024
Number of pages
3
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

  • chapter 121 compression refrigeration system pre s
  • positive pressure testing of a new refrigeration s

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