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

Author Question: What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute? ... (Read 70 times)

jake

  • Hero Member
  • *****
  • Posts: 538
on: Jul 26, 2018
What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute?
 
  A) 2  3 = 6 sq feet; 6  100 FPM = 600 CFM B) 2 + 3 = 5 sq feet; 5  100 FPM = 500 CFM
  C) 2  3 = 6 sq feet; 100 FPM / 6 = 17 CFM D) 100 CFM

Question 2

Most zone dampers in zoning systems _____.
 
  a. are powered open and spring-return closed
  b. are powered closed and spring-returned open
  c. have four distinct positions
  d. must serve more than one diffuser


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 26, 2018
Answer to Question 1

A

Answer to Question 2

b


jake

  • Member
  • Posts: 538
Reply 2 on: Jul 26, 2018
Gracias!

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Walrus using its tusks to hang on breathing hole in the ice near St. Lawrence Island, Bering Sea Walrus using its tusks to hang on breathing hole in the ice near St. Lawrence Island, Bering Sea
Separate the metatarsals. Create space between the metatarsals by holding onto the sides of the foot ... Separate the metatarsals. Create space between the metatarsals by holding onto the sides of the foot ...
Stretch quadriceps muscles by bringing the heel of the foot to the buttocks. Hold the stretch for ... Stretch quadriceps muscles by bringing the heel of the foot to the buttocks. Hold the stretch for ...
Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ... Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ...
If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ... If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ...
diff feet anatomy diff feet anatomy
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library