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

Author Question: Systems with fixed-restriction metering devices are critical to charge because: A) You must ... (Read 75 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
Systems with fixed-restriction metering devices are critical to charge because:
 
  A) You must weight both the system and the refrigerant.
  B) They can only be charged one time.
  C) The large liquid receivers hold so much refrigerant.
  D) The expansion device cannot adjust to changing conditions.

Question 2

Can zeotropes be metered in with the unit operating?
 
  A) Yes, by slightly cracking open the low-side manifold valve and then closing it
  B) No, if an early R-410A cylinder with a dip tube is being used
  C) Yes, only if the temperature exposure of the cylinder is above 125F
  D) No, as the system must be turned off first


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


RRMR

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
Wow, this really help

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

A fixed action pattern as an example of innate behaviour. A fixed action pattern as an example of innate behaviour.
Critical thinking model for safety planning Critical thinking model for safety planning
A taxonomy of primate social systems. Larger symbols indicate adults. A taxonomy of primate social systems. Larger symbols indicate adults.
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
Take Charge of Your Blood Pressure! Take Charge of Your Blood Pressure!
Comparison of open and closed circulatory systems. Comparison of open and closed circulatory systems.
Video: Immune responses Animation

For a complete list of videos, visit our video library