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

Author Question: Fiberboard duct is joined: A) With staples and UL 181A tape. B) With tape and mastic. C) With ... (Read 103 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Jul 24, 2018
Fiberboard duct is joined:
 
  A) With staples and UL 181A tape.
  B) With tape and mastic.
  C) With sheet metal screws and mastic.
  D) Using the mechanically self-sealing joints formed on the end of the duct.

Question 2

Barometric dampers are operated by:
 
  A) A pair of large magnetic solenoids. B) A damper motor, pulley, and belt.
  C) The air pressure difference across the damper. D) A small gear motor.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

atrochim

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 24, 2018
Excellent

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Gallbladder with gallstones. Note the stones in the hepatic duct, gallbladder, and common bile duct. Gallbladder with gallstones. Note the stones in the hepatic duct, gallbladder, and common bile duct.
Top: Autoclave tape before sterilization. Bottom: Autoclave tape after sterilization. Top: Autoclave tape before sterilization. Bottom: Autoclave tape after sterilization.
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ... A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
Bile duct system of the liver and gallbladder. Bile duct system of the liver and gallbladder.
The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ... The basic structure of an antibody molecule. Two heavy chains are joined by two light chains. The ...
The Distal Collecting Tubule and Collecting Duct The Distal Collecting Tubule and Collecting Duct
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library