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Author Question: Partially open damper blades can be closed by _____. a. speeding up the actuator motor b. ... (Read 72 times)

chads108

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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.


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komodo7

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Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

b


chads108

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Reply #2 on: Jul 24, 2018
TY


komodo7

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Reply #3 on: Jul 24, 2018
You're welcome


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