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

Author Question: Water treatment is necessary to protect the system components against: A) Scale, corrosion, and ... (Read 62 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jul 24, 2018
Water treatment is necessary to protect the system components against:
 
  A) Scale, corrosion, and fouling. B) Hypothermia, outgassing, and corrosion.
  C) Freezing, evaporation, and sublimation. D) Fouling, freezing, and evaporating.

Question 2

What is the purpose of excess air in furnace combustion?
 
  A) Excess air is used for creating a high-fire second stage of combustion.
  B) Excess air improves the draft efficiency by raising the combustion gas temperature.
  C) Excess air ensures that all the gas is burned by making sure there is plenty of oxygen available.
  D) Excess air ensures that the heat exchanger does not overheat.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nicoleclaire22

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


tiara099

  • Member
  • Posts: 588
Reply 2 on: Jul 24, 2018
Wow, this really help

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Nucleotides and their components Nucleotides and their components
Nucleotides and their components Nucleotides and their components
Spina bifida. (A) Spina bifica occulta; the vertebra is not complete, but there is no protrusion of Spina bifida. (A) Spina bifica occulta; the vertebra is not complete, but there is no protrusion of
Shark Circulatory System Shark Circulatory System
Disorders of the Cardiovascular System Cont. Disorders of the Cardiovascular System Cont.
Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ... Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ...
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library