A technician determines that an air conditioning system which holds 50 pounds of refrigerant lost one pound of refrigerant in a month. Does the EPA require the leak be repaired?
A) No, because 1 pound is not 35% of 50.
B) Yes, because leaking 1 pound in a month is a leak rate of 24% per year.
C) No, because 1 pound is not 15% of 50.
D) No, because systems that only hold 50 pounds are exempt.
B
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Which of the following statements is a good safety practice for masons?
A. Never use gasoline-operated mortar mixers. B. Wear rubber gloves when operating a wet masonry saw. C. Avoid angled shields when using a saw. D. Use lightweight household extension cords with grinders.
According to the National Electrical Code®, After a main power failure, the activation of an emergency system must take place within ________.
A. 10 seconds B. 30 seconds C. 45 seconds D. 1 minute
Students partaking in an FFA public-speaking career development event may choose from ____________________ different FFA public-speaking contests
Fill in the blank(s) with correct word
What is the purpose of locking out an electrical circuit?
A) To ensure an electrical circuit cannot be energized B) To save on electricity bills C) To make sure the customer pays you D) To make sure an electrical circuit cannot be turned off