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 128 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
YES! Correct, THANKS for helping me on my review

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Open heart surgery Open heart surgery
Valves in veins open to permit blood flow, close to prevent backflow. Valves in veins open to permit blood flow, close to prevent backflow.
Higher-Order Conditioning Higher-Order Conditioning
Factors That Affect BP Factors That Affect BP
Estimated New Cases of Selected Cancers in the USA, 2012 Estimated New Cases of Selected Cancers in the USA, 2012
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

For a complete list of videos, visit our video library