Author Question: If the voltage L1L2 is 240 V and the voltage L1N is 120 V, the transformer is connected as a delta ... (Read 89 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
If the voltage L1L2 is 240 V and the voltage L1N is 120 V, the transformer is connected as a delta transformer.
 
  Indicate whether the statement is true or false

Question 2

Why is a check valve installed in the suction line of the lowest-temperature coil in a multiple-evaporator system?
 
  A) To allow the coil to be isolated from other evaporator coils when checking the operating of the evaporator pressure regulator
  B) To prevent refrigerant migration from the higher-temperature-and-pressure coil to the lower-temperature and-pressure coil
  C) To ensure that the refrigerant is completely vaporized before leaving the evaporator
  D) To allow the service technician to check the operation of the system



bassamabas

  • Sr. Member
  • ****
  • Posts: 294
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

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?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library