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 78 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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

A fixed action pattern elicited by a sign stimulus. A fixed action pattern elicited by a sign stimulus.
C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi
Analysis of a restriction fragment length Polymorphism Analysis of a restriction fragment length Polymorphism
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Restriction mapping of lambda phage Restriction mapping of lambda phage
Constructing a restriction map (2 of 5) Constructing a restriction map (2 of 5)
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library