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Author Question: Leaks in commercial refrigeration systems must be repaired if they have an annual leak rate of: ... (Read 80 times)

asd123

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on: Jul 26, 2018
Leaks in commercial refrigeration systems must be repaired if they have an annual leak rate of:
 
  A) 10 of the charge per year. B) 25 of the charge per year.
  C) 15 of the charge per year. D) 35 of the charge per year.

Question 2

Nibblers prepare the edge of base metals using a _____.
 
  a. special grinding wheel
  b. small grinding stone
  c. reciprocating punch
  d. toothed blade


31809pancho

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

D

Answer to Question 2

c


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