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

Author Question: What should be done when checking the refrigerant charge of an operating packaged unit? a. Allow ... (Read 152 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jul 24, 2018
What should be done when checking the refrigerant charge of an operating packaged unit?
 
  a. Allow time for the operation of the unit to stabilize.
  b. Put the unit in economizer mode.
  c. Open all outdoor air dampers and close the return air dampers.
  d. Remove the supply air fan access panel.

Question 2

A pulsating sound coming from an oil furnace indicates ____
 
  a. the flame is touching the combustion chamber
  b. a defective blower
  c. under-firing
  d. soot buildup on the heat exchanger


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

paavo

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

a


BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every 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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Components of nail unit Components of nail unit
Checking fuel-pump volume using a hose from the outlet of the fuel-pressure regulator into a ... Checking fuel-pump volume using a hose from the outlet of the fuel-pressure regulator into a ...
Checking Circulation Checking Circulation
In ABC, A=90, b=3 cm, c=7 cm. Solve for all unknowns to the nearest tenth of a unit. In ABC, A=90, b=3 cm, c=7 cm. Solve for all unknowns to the nearest tenth of a unit.
If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle If P(θ) = (√3 /2, -1/ 2), determine the coordinates of P (θ + 90 °) using the unit circle
Which of the following is not a unit factor related to a 15.0% aqueous solution Which of the following is not a unit factor related to a 15.0% aqueous solution
Video: How to make cDNA Animation

For a complete list of videos, visit our video library