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

Author Question: One operating advantage of fixed-restriction metering devices over expansion valves is: A) Can be ... (Read 62 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
on: Jul 24, 2018
One operating advantage of fixed-restriction metering devices over expansion valves is:
 
  A) Can be used with low starting torque compressor motors.
  B) Higher operating efficiency.
  C) Improved system control.
  D) Easier to adjust.

Question 2

What type of systems normally use crankcase pressure regulators?
 
  A) Commercial refrigeration applications with evaporator temperatures above 40F
  B) Any refrigeration system with a compressor that has a positive-pressure oil pump
  C) Primarily comfort cooling applications
  D) Low-temperature refrigeration applications such as walk-in and reach-in freezers


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

D


kaid0807

  • Member
  • Posts: 515
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ... In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ...
Heart valves in closed position viewed from the top. Heart valves in closed position viewed from the top.
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Exhaust Restriction Test Exhaust Restriction Test
Valves of the heart Valves of the heart
Expansion factors for orifice plates Expansion factors for orifice plates
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library