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 153 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

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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.

Cheetah at the Werribee Open Range Zoo Cheetah at the Werribee Open Range Zoo
The vehicle’s fuel pump is disabled by removing its relay or fuse. In some cases, it may be ... The vehicle’s fuel pump is disabled by removing its relay or fuse. In some cases, it may be ...
Regional differences affect soil fertility Regional differences affect soil fertility
Growth in Open Economies Growth in Open Economies
Fracture and Repair of Bone Open (Compound) Fracture and Repair of Bone Open (Compound)
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library