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

Author Question: Partially open damper blades can be closed by _____. a. speeding up the actuator motor b. ... (Read 32 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
on: Jul 24, 2018
Partially open damper blades can be closed by _____.
 
  a. speeding up the actuator motor
  b. caulking the damper frame
  c. increasing enthalpy sensor voltage
  d. adjusting damper linkage

Question 2

How does an economizer reduce HVAC operating costs?
 
  a. It reduces compressor speed.
  b. It uses cool outdoor air for cooling.
  c. It uses a variable-speed blower motor.
  d. It runs during off-peak energy use hours.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

komodo7

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

b


chads108

  • Hero Member
  • *****
  • Posts: 507
Reply #2 on: Jul 24, 2018
TY


komodo7

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Hare running in open field Hare running in open field
Sensory, motor, interneuron, and effector Sensory, motor, interneuron, and effector
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ... Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
Knuckle friction between and over the shoulder blades. Superficial friction between shoulder blade ... Knuckle friction between and over the shoulder blades. Superficial friction between shoulder blade ...
Video: Reflex arc construction

For a complete list of videos, visit our video library