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

Author Question: Gas-fired rooftop units are normally vented through: A) Draft hoods connected directly to the ... (Read 55 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Jul 24, 2018
Gas-fired rooftop units are normally vented through:
 
  A) Draft hoods connected directly to the unit.
  B) A separate power venter.
  C) Double-wall vent pipe connected to the side of the unit.
  D) Double-wall vent pipe connected to the top of the unit.

Question 2

What does the technician normally do when installing a gas vent on a rooftop packaged unit?
 
  A) A vent hood is needed only if the unit is installed inside.
  B) The manufacturer-supplied hood is screwed onto the unit.
  C) An approved single-wall vent is piped at least 3 ft above the top of the unit.
  D) An approved double-wall vent is piped away from the unit to the side of the roof.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


frankwu

  • Member
  • Posts: 549
Reply 2 on: Jul 24, 2018
Excellent

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
A direct injection diesel engine injects the fuel directly into the combustion chamber. Many ... A direct injection diesel engine injects the fuel directly into the combustion chamber. Many ...
Getting Connected Getting Connected
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library