This topic contains a solution. Click here to go to the answer

Author Question: What is a dual-fuel heat pump? A) An air-source heat pump added to a fossil fuel furnace. B) A ... (Read 185 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
What is a dual-fuel heat pump?
 
  A) An air-source heat pump added to a fossil fuel furnace.
  B) A heat pump that can run on either AC or DC power.
  C) A heat pump whose energy requirements are so massive that two fuel sources are required to operate it.
  D) A heat pump that can be field converted from air-source to water-source.

Question 2

When evacuating a system after leak testing, the technician should use a micron gauge along with the vacuum pump and pump the system down to what level?
 
  A) 200 microns B) 100 microns C) 500 microns D) 1,500 microns



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

A

Answer to Question 2

C




Wadzanai

  • Member
  • Posts: 528
Reply 2 on: Jul 24, 2018
Gracias!


AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library