« previous next »

Author Question: When installing units requiring three phase power, what is one of the concerns with the three phase ... (Read 67 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Jul 26, 2018
When installing units requiring three phase power, what is one of the concerns with the three phase installation?
 
  What will be an ideal response?

Question 2

List the recovery levels for Type III systems?
 
  What will be an ideal response?


mbcrismon

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 26, 2018
Answer to Question 1

One important aspect of three phase power is that the phases are within 3 of each other.

Answer to Question 2

25 hg vacuum when using a recovery unit built before November 15, 1993 25 mm absolute pressure when using a recovery unit built after November 15, 1993


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ... This is what was found when removing an air filter from a vehicle that had a lack-of-power concern. ...
How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2) How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2)
Use the power rule to find derivative Use the power rule to find derivative
The horizontal phase shift of the resultant graph is The horizontal phase shift of the resultant graph is
Excel hardware is introducing a new product on a new product line of capacity 800 units per ... Excel hardware is introducing a new product on a new product line of capacity 800 units per ...
Typical bacterial population growth curve showing the initial lag phase Typical bacterial population growth curve showing the initial lag phase
Video: Genetic terms Animation

For a complete list of videos, visit our video library