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Author Question: In order to double fan RPM, the motor horsepower A) Must increase by a factor of 4 (2 2 ) B) ... (Read 21 times)

Tirant22

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on: Jul 26, 2018
In order to double fan RPM, the motor horsepower
 
  A) Must increase by a factor of 4 (2  2 ) B) Must increase by a factor of 8 (2  2  2 )
  C) Will not be affected by the fan RPM D) Must also double

Question 2

Why should ultraviolet germicidal lamps not be handled with bare hands?
 
  A) The coating on the outside of the lamps is toxic
  B) The oil from your fingerprints can lead to premature failure of the lamp
  C) The exterior UV coating will wipe off, reducing the UV output
  D) The residual UV in the lamp coatings can cause severe burns


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sabina576

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Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

B


Tirant22

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Reply 2 on: Jul 26, 2018
Gracias!

essyface1

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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