When a standpipe system is supplied from a public water main, operating a control valve between the building and the water main may close down the entire system. A special key may be required to operate this valve. This shutoff valve is frequently located in a box that is recessed in the
A. wall
B. ceiling
C. basement
D. sidewalk
Answer: D. sidewalk
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The minimum and maximum tread depths of a stairway should not differ by more than _____.
a. 3/8" b. 1/2" c. 5/8" d. 3/4"
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What government act set up the Cooperative Extension Service?
a. Hatch Act c. Lever-Hughes Act b. Morrill Act d. Smith-Lever Act
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Refrigerant that has been removed in any condition from an appliance and stored in an external container without necessarily testing or processing it in any way is considered:
A) Recovered refrigerant. B) Reclaimed refrigerant. C) Virgin refrigerant. D) Recycled refrigerant.
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How often should smoke detectors be tested for sensitivity?
A. quarterly B. twice a year C. every other month D. every year
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