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

Author Question: How does the presence of 7 to 9 percent CO2 in flue gas reflect heating unit performance? A) It ... (Read 121 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Jul 24, 2018
How does the presence of 7 to 9 percent CO2 in flue gas reflect heating unit performance?
 
  A) It indicates a possible gas leak. B) It indicates a lack of efficiency.
  C) It indicates that the unit is running efficiently. D) It indicates the level of CO2 is neutral.

Question 2

A graphical representation of air properties is:
 
  A) An enthalpy chart. B) A temperature-pressure chart.
  C) A pressure-temperature chart. D) A psychrometric chart.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba
Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix
Trig Degrees/Radians unit circle Trig Degrees/Radians unit circle
Ben Jones, Black Face and Arm Unit. Ben Jones, Black Face and Arm Unit.
How to solve any percent concentration problem How to solve any percent concentration problem
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
Video: Energy sources - types

For a complete list of videos, visit our video library