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

Author Question: A direct-fired make-up air unit typically achieves a combustion efficiency of _____. a. 70 ... (Read 67 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

b


fahad

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Choose the telephone unit that offers the features needed in your office. Choose the telephone unit that offers the features needed in your office.
Children make a fast adjustment to a new culture, although, as with these Hmong children in ... Children make a fast adjustment to a new culture, although, as with these Hmong children in ...
Stand over a rocker base to make weight shifts. Stand over a rocker base to make weight shifts.
Direct thumb pressure to a trigger point. Direct thumb pressure to a trigger point.
The Nutrient Fact Panel on the food label can help consumers make smart nutrition choices The Nutrient Fact Panel on the food label can help consumers make smart nutrition choices
Orientation and structure of a nephron, the functional unit of the kidney. Orientation and structure of a nephron, the functional unit of the kidney.
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library