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

Author Question: Before opening the compressor crankcase to take an oil sample, you should: A) Get the sample tube ... (Read 132 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
Before opening the compressor crankcase to take an oil sample, you should:
 
  A) Get the sample tube ready because the oil comes out very quickly under pressure.
  B) Increase the crankcase pressure with nitrogen to at least 100 psig.
  C) Position yourself directly in front of the drain port.
  D) Valve off the compressor and recover the refrigerant down to 12 psig.

Question 2

Pumps for hydronic heating systems are usually:
 
  A) Centrifugal pumps. B) Diaphragm pumps.
  C) Piston pumps. D) Gear pumps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


gonzo233

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Nurse examining and measuring hematuria sample from client with a UTI Nurse examining and measuring hematuria sample from client with a UTI
Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is
Opening sterile kit 2 Opening sterile kit 2
William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Video: Uterine (menstrual) cycle - phases

For a complete list of videos, visit our video library