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

Author Question: How does a duct blaster measure air leakage in duct systems? A) It measures the airflow required ... (Read 62 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Jul 24, 2018
How does a duct blaster measure air leakage in duct systems?
 
  A) It measures the airflow required to maintain a specified pressure.
  B) It uses a velocimeter to calculate the speed of the sonically diffused airstream.
  C) It measures the time it takes the duct system to depressurize.
  D) It measures the actual leakage area through reflected pressure waves.

Question 2

How much vacuum must a fuel oil pump produce to move fuel oil 20 ft horizontally?
 
  A) 20  5 = 4 in of vacuum B) 20  10 = 2 in of vacuum
  C) 20  2 = 10 in of vacuum D) 20  1 = 20 in of vacuum


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

enass

  • Sr. Member
  • ****
  • Posts: 380
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


plus1

  • Member
  • Posts: 676
Reply 2 on: Jul 24, 2018
Gracias!

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

The chain of infection: preventative measures follow each link of the chain. The chain of infection: preventative measures follow each link of the chain.
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.
Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
body systems body systems
Effect of clinical decison support systems Effect of clinical decison support systems
Dual Systems Model of Risk-Taking Dual Systems Model of Risk-Taking
Video: Reflex arc construction

For a complete list of videos, visit our video library