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

Author Question: In order to modulate the flow of supply air, VAV systems may use inlet guide vanes on the fan inlet ... (Read 150 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
In order to modulate the flow of supply air, VAV systems may use inlet guide vanes on the fan inlet or _____.
 
  a. hot gas bypass
  b. an economizer
  c. variable speed drives
  d. powered exhaust

Question 2

The primary source of heat for a year-round packaged air conditioner is _____.
 
  a. electricity
  b. natural gas
  c. hot water
  d. steam



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

c

Answer to Question 2

b





 

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?

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?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library