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

Author Question: Why don't variable-air-volume zone systems need any method of controlling excess air? A) Any ... (Read 114 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Why don't variable-air-volume zone systems need any method of controlling excess air?
 
  A) Any excess air is automatically diverted outside.
  B) All the dampers pass a little air, even when they are closed.
  C) They reduce the system airflow to match the number of zones calling.
  D) The fans used are not capable of producing excess air.

Question 2

What type of oil delivery system is recommended when the vacuum required for lifting the oil from the tank to the furnace is 16 in Hg?
 
  A) A two-pipe oil delivery system with a single-stage oil pump
  B) A single-pipe oil delivery system with a single-stage pump
  C) A two-pipe oil delivery system with a two-stage oil pump
  D) A single-pipe oil delivery system with a two-stage oil pump



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

C

Answer to Question 2

C




urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 24, 2018
Excellent


sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

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.

For a complete list of videos, visit our video library