« previous next »

Author Question: The air filter should be installed with the directional arrow A) facing towards the unit B) ... (Read 62 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Jul 27, 2018
The air filter should be installed with the directional arrow
 
  A) facing towards the unit B) facing to the left of the filter access
  C) facing towards the return air duct D) facing to the right of the filter access

Question 2

Select the gasses that are safe to use for refrigeration system pressure testing.
 
  A) Oxygen B) Carbon dioxide C) Nitrogen D) Acetylene


sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B, C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Directional selection. Directional selection.
Unit Pricing Comparison Unit Pricing Comparison
Filter selectivity. Filter selectivity.
Be sure that the clips are properly installed. Start the engine and check for proper operation. Be sure that the clips are properly installed. Start the engine and check for proper operation.
Plasmodium parasites (arrow) attacking and infecting red blood cells. Infection by Plasmodium causes Plasmodium parasites (arrow) attacking and infecting red blood cells. Infection by Plasmodium causes
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: Second Messengers in the Inositol-lipid Signaling Pathway

For a complete list of videos, visit our video library