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

Author Question: What is the function of an air flow switch on a packaged air handler? What will be an ideal ... (Read 19 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
on: Jul 26, 2018
What is the function of an air flow switch on a packaged air handler?
 
  What will be an ideal response?

Question 2

A system in a 90F room is charged to 100 psig with nitrogen to perform a standing pressure test. When the system pressure is checked later, the room temperature is 70F. What pressure would you expect to see in the system?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

uniquea123

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 26, 2018
Answer to Question 1

This snap action switch verifies that the fan is either on or off.

Answer to Question 2

(Note: the units are rounded) 100 + 15 = 115 psia
90 + 460 = 550Rankine

70 + 460 = 530Rankine

115 psia x


aabwk4

  • Member
  • Posts: 593
Reply 2 on: Jul 26, 2018
Wow, this really help

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Indicators for assessing local blood flow Indicators for assessing local blood flow
A sample flow sheet. A sample flow sheet.
Higher centers influencing autonomic function. Higher centers influencing autonomic function.
How to find the anti-derivative of a function (Part 3) How to find the anti-derivative of a function (Part 3)
How to find the domain and range of the trigonometric function, sine, cosine, and tangent How to find the domain and range of the trigonometric function, sine, cosine, and tangent
The flow of genetic information The flow of genetic information
Video: Contraction cycle of a sarcomere

For a complete list of videos, visit our video library