« previous next »

Author Question: The blowers of high-sidewall ductless indoor units _____. a. are usually propeller fans b. use ... (Read 50 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 24, 2018
The blowers of high-sidewall ductless indoor units _____.
 
  a. are usually propeller fans
  b. use long, slender centrifugal blower wheels
  c. use very short, large-diameter blower wheels
  d. are often backwardly inclined

Question 2

When a zone thermostat fan control switch is moved from Auto to On, what should happen?
 
  a. All system dampers open and the blower starts.
  b. The zone damper for each zone set to On opens and the blower starts.
  c. The zone damper for that zone closes, all the others open, and the blower starts.
  d. The zone damper remains open at all times, regardless of the system operating conditions


kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 24, 2018
Thank you!


kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 24, 2018
Always glad to help...


« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Galaxies Forming by Combining Smaller Units Galaxies Forming by Combining Smaller Units
The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30% The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30%
Because of the high physical activity and the amount of energy expended by the brains of 2- to ... Because of the high physical activity and the amount of energy expended by the brains of 2- to ...
In situ hybridization. This color-coded frontal section through a rat brain reveals high ... In situ hybridization. This color-coded frontal section through a rat brain reveals high ...
Transport of acetyl units and reducing equivalents used in fatty acid synthesis Transport of acetyl units and reducing equivalents used in fatty acid synthesis
Expressing amounts of energy in different energy units is necessary to solve man Expressing amounts of energy in different energy units is necessary to solve man
Video: Genetic distance between human groups

For a complete list of videos, visit our video library