In the GHS, product hazard classes are identified by symbols called _____.

a. visual keys
b. pictograms
c. anagrams
d. pictographs


b. pictograms

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Calculate the volume of a cylindrical shape, in cubic centimeters, when r = 6.5 cm and h = 26 cm. Carry the answer to two decimal places.

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Connecting a 120V heating cable to a 240V circuit will _____.

a. melt the cable b. produce only 25% of the rated cable wattage c. cause the system to operate within acceptable standards, but at less than full efficiency d. enable the system to operate most efficientl

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The outdoor air cooled condensing unit consists of

A) a compressor, condenser coil, a condenser fan, evaporator coil, and the necessary electrical control box assembly B) copper tubing surrounded by aluminum fins and a condenser fan, and the necessary electrical control box assembly C) a compressor, condenser coil, a condenser fan, and the necessary electrical control box assembly D) copper tubing surrounded by aluminum fins and a condenser fan, a refrigerant expansion device, and the necessary electrical control box assembly

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A condensing unit with four motor-compressor assemblies manifolded together must provide the suction pressure for the ____.

A. lowest temperature evaporator B. midrange temperature evaporator C. highest temperature evaporator D. none of the above

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