Author Question: When installing units requiring three phase power, what is one of the concerns with the three phase ... (Read 42 times)

bb

  • Hero Member
  • *****
  • Posts: 544
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
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
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library