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

Author Question: Which basic principle is one that influences how all HVACR systems work? A) An increase in ... (Read 57 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Jul 24, 2018
Which basic principle is one that influences how all HVACR systems work?
 
  A) An increase in pressure can lower the boiling point of a liquid and change the temperature at which it turns to a gas.
  B) A decrease in pressure increases the boiling point of liquid, the temperature at which a liquid turns to a gas.
  C) Pressure affects boiling point and evaporation in an unpredictable way, so it must not be considered in HVACR equipment.
  D) An increase in pressure can increase the boiling point of a liquid, the temperature at which a liquid turns to a gas.

Question 2

What is the estimated length of a building that has 35 roof rafters 24 inches on center?
 
  A) 72 feet B) 66 feet C) 70 feet D) 68 feet


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dominiqueenicolee

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


jeatrice

  • Member
  • Posts: 543
Reply 2 on: Jul 24, 2018
Wow, this really help

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Types of Electrical Potentials in Biological Systems Types of Electrical Potentials in Biological Systems
Systems and Organs of the Human Body Systems and Organs of the Human Body
The Three Major Doshas-Basic Constitutional Types The Three Major Doshas-Basic Constitutional Types
Climate influences the locations of biomes Climate influences the locations of biomes
Artesian Systems Artesian Systems
Functional divisions of vertebrate nervous systems Functional divisions of vertebrate nervous systems
Video: Interview with Person who has Panic Attacks

For a complete list of videos, visit our video library