List three reasons there may be low oxygen levels in a confined space.____________________________________________________________________________________________________________
What will be an ideal response?
Breathing
Welding
Combustion from gas engine
Corrosion
Rotting of Vegetable matter
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Refer to the illustration, which shows an exposed-grid suspended ceiling that is 10' × 20' and uses 2' × 4' ceiling tiles. The number of 12' main runners required for the ceiling is _____.
a. two b. three c. four d. five
Technician A says that loads should be rigged to prevent any parts from shifting or dislodging during the lift. Technician B says that suspended loads should be securely slung and properly balanced before they are set in motion.Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Which is NOT a function of a TP sensor?
A) Clear flood mode operation B) Determining rich and lean air-fuel mixtures C) Torque converter clutch operation D) Air conditioning compressor operation
Relative humidity is the percentage of the ____ that the air can hold at a specific temperature.
A. vapor B. maximum moisture C. bulk moisture D. minimum moisture