True/False
Indicate whether the sentence or statement is true
or false.
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1.
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Hydrogen is heavier than air? True or False
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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2.
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Mechanical codes minimize the potential for _____ by limiting the source of hydrogen
gas and by requiring sufficient ventilation to dissipate any leakage. a. | violations | c. | smells | b. | explosions | d. | fines | | | | |
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3.
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Indoor locations intended for hydrogen-generating or refueling shall not have source
of ignition not within _____ inches of the ceiling?
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4.
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Indoor location intended for hydrogen generating or re-fueling shall be limited to a
floor space of how many square feet?
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5.
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Ventilation shall be provided for Hydrogen areas that include (2) opening directly
communicating with the outdoors. These openings shall be within 12 inches of the ceiling and 12
inches of the floor. The opening shall have a free area of 1/2 square foot per ____ cubic feet of
garage volume?
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6.
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Repair garages that install and repair CNG or hydrogen motor fuels must be equipped
with ventilation and gas detection systems. The ventilation rate shall be at least ____ cubic foot
per minute per 12 cubic feet of room volume?
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7.
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Some
garages may be equipped with electrical interlocks with the lighting system or a gas detection
monitoring system that turn on the ________? a. | Mechanical Ventilation System | c. | Exhaust Systems | b. | Gas Detection
System | d. | Garage Door
Openers | | | | |
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8.
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If
the garage system is equipped with gas monitoring devices and the levels exceed percent of the lower
flammable limit, the refueling system would ____? a. | Keep running to prevent
problems | c. | sound an
alarm | b. | Stop immediately | d. | turn on the ventilation systems | | | | |
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