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

Author Question: What is a dual-fuel heat pump? A) An air-source heat pump added to a fossil fuel furnace. B) A ... (Read 153 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


Wadzanai

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

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Prokaryotes Can Take the Heat Prokaryotes Can Take the Heat
Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The pumping action of an impeller or rotary vane pump. The pumping action of an impeller or rotary vane pump.
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.) Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.)
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library