This topic contains a solution. Click here to go to the answer

Author Question: A direct-fired make-up air unit typically achieves a combustion efficiency of _____. a. 70 ... (Read 68 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
A direct-fired make-up air unit typically achieves a combustion efficiency of _____.
 
  a. 70 percent
  b. 80 percent
  c. 90 percent
  d. 100 percent

Question 2

The discharge air setpoint of a direct-fired make-up air unit is usually _____.
 
  a. about 25F below the desired room temperature
  b. at or slightly above the desired room temperature
  c. at least 25F above the desired room temperature
  d. at least 40F above the desired room temperature



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

d

Answer to Question 2

b




fahad

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Excellent


dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

For a complete list of videos, visit our video library