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 54 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


zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library