This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An air conditioner with a fixed-restriction metering device is operating with an evaporator ... (Read 87 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jul 24, 2018
An air conditioner with a fixed-restriction metering device is operating with an evaporator saturation temperature of 40F and a suction line temperature of 42F. The factory-specified superheat for the current operating condition is 12F. After checking the airflow and determining that it is within specifications, the technician should:
 
  A) Recover charge because the system is overcharged.
  B) Add charge because the system is undercharged.
  C) Leave the charge alone because it is cooling even better than factory specifications.
  D) Move some of the charge from the low side of the system to the high side of the system to balance the charge.

Question 2

The frequency of AC power is measured in:
 
  A) Henrys. B) Coulombs. C) Hertz. D) Faradays.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


faduma

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant
Pulse oximetry. The small device provides a digital readout of oxygen levels in the blood. Pulse oximetry. The small device provides a digital readout of oxygen levels in the blood.
A Receiver-Operating-Characteristic (ROC) Curve A Receiver-Operating-Characteristic (ROC) Curve
Reactions in assimilation of ammonia and major fates of the fixed nitrogen Reactions in assimilation of ammonia and major fates of the fixed nitrogen
Video: Glycolysis Animation

For a complete list of videos, visit our video library