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

Author Question: Why are copper fittings cleaned before soldering or brazing? A) To remove oxides B) To enhance ... (Read 110 times)

casperchen82

  • Hero Member
  • *****
  • Posts: 540
on: Jul 24, 2018
Why are copper fittings cleaned before soldering or brazing?
 
  A) To remove oxides
  B) To enhance the aesthetic appearance of the completed joint
  C) To create enough clearance so that the pipe will fit into the fitting
  D) To make it easier to see the junction between the fitting and the pipe

Question 2

Which type of metering device used on flooded evaporators opens to admit more liquid refrigerant into the evaporator when the liquid level in the evaporator drops?
 
  A) High-side float B) Low-side float
  C) Automatic expansion valve D) Electronic expansion valve


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

apple

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


casperchen82

  • Member
  • Posts: 540
Reply 2 on: Jul 24, 2018
:D TYSM

TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

A copper-striped blue-tailed skink (Emoia impar) A copper-striped blue-tailed skink (Emoia impar)
Suctioning a tracheostomy to remove secretions. Suctioning a tracheostomy to remove secretions.
copper copper
Nitrogen Oxides (NOX) Nitrogen Oxides (NOX)
Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ... Place the infant faceup on a soft surface, such as a towel, and remove his or her clothing. With one ...
Video: Alzheimer's Disease

For a complete list of videos, visit our video library