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Author Question: The resistance of a good cad cell when it is in the dark should be: A) 1,000 to 5,000. B) 5,000 ... (Read 32 times)

LaDunn

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on: Jul 24, 2018
The resistance of a good cad cell when it is in the dark should be:
 
  A) 1,000 to 5,000. B) 5,000 to 10,000. C) 30 to 1,000. D) 100,000 or higher.

Question 2

What is the maximum working pressure for a low-pressure hot water boiler?
 
  A) 100 psi B) 160 psi C) 10 psi D) 15 psi


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Briannahope

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

D

Answer to Question 2

B


LaDunn

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Reply 2 on: Jul 24, 2018
Gracias!

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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