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

Author Question: How does air from air-conditioning vents affect open display cases? A) Open display cases are not ... (Read 141 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
on: Jul 24, 2018
How does air from air-conditioning vents affect open display cases?
 
  A) Open display cases are not affected by external air sources because of their powerful built-in air curtains.
  B) Open display cases are not affected by external air sources because of their engineered air baffles.
  C) It improves their performance by lowering the temperature of the air surrounding the display case.
  D) It disrupts the case's air curtain, causing them to rise in temperature.

Question 2

Why are draft inducer fans necessary in today's furnaces?
 
  A) To separate the flue gas from the heat through centrifugal force
  B) To move the flue gases through the ductwork
  C) The flue gases cannot make their way through the new heat exchangers on their own.
  D) To move gas into the burner assembly


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


rmenurse

  • Member
  • Posts: 513
Reply 2 on: Jul 24, 2018
Wow, this really help

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

A speculum used to hold the vagina open in order to visualize the cervix. A speculum used to hold the vagina open in order to visualize the cervix.
Open-Cake Surgery Open-Cake Surgery
a) Lunge with your legs open to the table. b) Avoid lunging with your legs close to table. a) Lunge with your legs open to the table. b) Avoid lunging with your legs close to table.
Leading Sites of New Cases of Cancer Worldwide, 2012 Leading Sites of New Cases of Cancer Worldwide, 2012
Open pit mining creates immense holes at the surface Open pit mining creates immense holes at the surface
Display Rules Display Rules
Video: Rh blood type and complications during pregnancy & Fertilization

For a complete list of videos, visit our video library