This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The predominant oil of choice for systems with HFC refrigerant is: A) Mineral oil. B) ... (Read 32 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 24, 2018
The predominant oil of choice for systems with HFC refrigerant is:
 
  A) Mineral oil. B) Glycol-based oil. C) Polyol ester. D) Alkyl benzene.

Question 2

Which torch type would be the best choice for a brazing project?
 
  A) Air-fuel torch B) Oxyacetylene torch
  C) Air-propane swirl-tip torch D) Air-MAPP swirl-tip torch


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


amal

  • Member
  • Posts: 572
Reply 2 on: Jul 24, 2018
:D TYSM

dawsa925

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Mining Mineral Resources Mining Mineral Resources
Earth’s Mineral Resources Earth’s Mineral Resources
Artesian Systems Artesian Systems
Multiple choice bio Multiple choice bio
Variation in vertebrate circulatory systems Variation in vertebrate circulatory systems
Energy homeostasis is regulated primarily by the brain, gastrointestinal tract, other organ systems, Energy homeostasis is regulated primarily by the brain, gastrointestinal tract, other organ systems,
Video: Inflammation

For a complete list of videos, visit our video library