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Author Question: The signal given by extending both arms and moving them rapidly back and forth horizontally is ... (Read 80 times)

Cooldude101

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on: Jul 24, 2018
The signal given by extending both arms and moving them rapidly back and forth horizontally is _____.
 
  a. lower the boom
  b. swing the boom sideways
  c. raise the load
  d. emergency stop

Question 2

In a mixed air system, the amount of fresh air needed can be calculated if you know _____.
 
  a. outdoor and indoor air dry-bulb temperatures and mixed air wet-bulb temperature
  b. outdoor and indoor air wet-bulb temperatures and mixed air dry-bulb temperature
  c. outdoor air, indoor air, and mixed air dry-bulb temperatures
  d. outdoor air, indoor air, and mixed air wet-bulb temperatures


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nickk12214

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

d

Answer to Question 2

c


Cooldude101

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  • Posts: 557
Reply 2 on: Jul 24, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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