What is the first step when servicing a vehicle refrigeration (A/C) system?

A) Vacuum the system
B) Refrigerant identification
C) Mode door check
D) Weigh the refrigerant charge


B) Refrigerant identification

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Answer the following statements true (T) or false (F)

1) It is important for safety professionals to go beyond just maintaining the typical slip and fall prevention program and apply practical strategies. 2) The most notable work of the National Floor Safety Institute has been the development of B101.1 — Test method for Measuring Wet SCOF of Common Hard-Surface Floor Materials. 3) Falls rank near the bottom of the list of causes of workplace accidents. 4) OSHA's fall protection regulations for construction do not apply to residential contractors.

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A room 13.75 feet wide and 28.5 feet long is carpeted. The cost is $31.10 per square yard, and the installation cost is $167.00.   What is the total cost to carpet the room?  Round the answer to 2 decimal places.

Fill in the blank(s) with the appropriate word(s).

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All of the following were direct benefits reaped by the Americans from the mercantile system of Britain EXCEPT

A. British allowed the Americans to freely trade with other countries and compete on the open market. B. London paid high prices for ship parts to American producers. C. Virginia tobacco planters enjoyed a monopoly in the British market. D. protection of the world's mightiest navy and army without a penny of cost. E. some British merchants were not allowed to compete with the American colonial merchants.

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Hot-surface igniters typically operate on:

A) 10,000 V. B) 240 V. C) 24 V. D) 120 V.

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