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

Author Question: How does atmospheric pressure affect a refrigeration gauge pressure reading? What will be an ... (Read 83 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Jul 26, 2018
How does atmospheric pressure affect a refrigeration gauge pressure reading?
 
  What will be an ideal response?

Question 2

What is the temperature rise of a furnace with a supply air temperature of 130F and a return air temperature of 75F?
 
  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

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 26, 2018
Answer to Question 1

Refrigeration gauges read in psig and are calibrated to read 0 at atmospheric pressure. Changes in atmospheric pressure can change the calibration point, and affect the final reading.

Answer to Question 2

130 - 75 = 55F rise


laurencescou

  • Member
  • Posts: 593
Reply 2 on: Jul 26, 2018
:D TYSM

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Blood pressure measurement. Blood pressure measurement.
Berthe Morisot, Reading. Berthe Morisot, Reading.
Thread pitch gauge used to measure the pitch of the thread. This bolt has 13 threads to the inch. Thread pitch gauge used to measure the pitch of the thread. This bolt has 13 threads to the inch.
A fuel-pressure graph after key on, engine off (KOEO) on a TBI system. A fuel-pressure graph after key on, engine off (KOEO) on a TBI system.
Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ... Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ...
The pet hen grade 1 reading The pet hen grade 1 reading
Video: The Vestibular System

For a complete list of videos, visit our video library