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

Author Question: Why does a heat pump need two metering devices? A) One metering device is used for first-stage ... (Read 87 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
Why does a heat pump need two metering devices?
 
  A) One metering device is used for first-stage heat and another for auxiliary heat.
  B) Two metering devices provide increased refrigerant flow at low ambient temperatures in heat.
  C) One metering device is used for the refrigerant circuit and another for the heat strips.
  D) One metering device is used for the cooling cycle and one for the heating cycle.

Question 2

What type of measurement is a grain?
 
  A) A grain is equal to one drop of water.
  B) A grain is a small measurement of weight.
  C) A grain is a small measurement of volume.
  D) A grain is theoretically extrapolated by multiplying the cube root of the wet-bulb measurement times the dry-bulb temperature measurement.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

D

Answer to Question 2

B




shenderson6

  • Member
  • Posts: 573
Reply 2 on: Jul 24, 2018
:D TYSM


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Gracias!

 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library