Author Question: How is placement of the evaporator line determined when drawing a PH diagram of an operating system? ... (Read 64 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
How is placement of the evaporator line determined when drawing a PH diagram of an operating system?
 
  A) The evaporator line can be drawn anywhere that crosses the saturation curve as long as it is a horizontal line.
  B) Draw a vertical line across the saturation curve on a constant enthalpy line equal to the system low-side absolute temperature.
  C) Draw a horizontal line across the saturation curve on the constant pressure line equal to the system low-side absolute pressure.
  D) The evaporator line is always drawn on the horizontal line representing 50 psia absolute pressure.

Question 2

When installing a double riser in a commercial refrigeration system, which of the following statements is TRUE?
 
  A) The combined areas of the risers should be equal to the area of the suction line.
  B) The combined areas of the risers should be greater than the area of the suction line.
  C) The combined areas of the risers should be less than the area of the suction line.
  D) Both of the risers should be the same size.



fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library