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 164 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
Excellent

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Open space is found in a Lodgepole pine stand after thinning. Open space is found in a Lodgepole pine stand after thinning.
The oral cavity. Anterior view of the open mouth. The oral cavity. Anterior view of the open mouth.
The post-catalytic converter oxygen sensor should display very little activity if the catalytic ... The post-catalytic converter oxygen sensor should display very little activity if the catalytic ...
Leading Sites of New Cases of Cancer in the United States, 2013 Leading Sites of New Cases of Cancer in the United States, 2013
Open-Faced Sandwiches Open-Faced Sandwiches
Classical-Conditioning Activity Classical-Conditioning Activity
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library