« previous next »

Author Question: Most heat pumps have two metering devices because A) one metering device serves as a backup to ... (Read 53 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
Most heat pumps have two metering devices because
 
  A) one metering device serves as a backup to the primary metering device
  B) two metering devices allow for extra refrigerant flow at low outdoor temperatures
  C) each coil must function as the evaporator during one of the cycles
  D) two metering devices allow two stage operation

Question 2

The heat sink for an air source heat pump is
 
  A) the air inside the house B) the air outside the house
  C) the water in the water loop D) electric strip heat


ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every 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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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.

Unopette collection devices. Unopette collection devices.
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Cover heat source to slow cooling by placing a towel over it. Cover heat source to slow cooling by placing a towel over it.
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Alternative sigma factors for heat shock genes Alternative sigma factors for heat shock genes
Video: Embryonic development - week 1 and 2

For a complete list of videos, visit our video library