When using inert gas to displace oxygen from a container prior to cutting, provide a _____.

a. relief valve
b. weephole
c. drain plug
d. vent hole


Answer: D

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Never connect a battery charger to an outlet with an extension cord longer than _____.

a. 10 feet b. 15 feet c. 20 feet d. 25 feet

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Removal of 0.020" from OHC surfaces will result in 1° of advance in valve timing.

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

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Express 70 as a 2421 code number.

A. 11 1100 B. 11 1110 C. 1011 0000 D. 1101 0000

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CFC-12 recovery equipment has SAE 3/8-inch service fittings. HFC- 134a recovery equipment has:

A. 1/2 inch Acme threads B. 10 mm threads C. Quick-couple design D. Same as CFC-12 recovery equipment

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