The packaged unit accessory used to prevent compressor oil from absorbing refrigerant is a(n) _____

a. economizer
b. crankcase heater
c. oil defroster
d. outdoor thermostat


b. crankcase heater

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To have an adequate environment, plants, animals, insects, soil, water, and air must be kept in ____________________

Fill in the blank(s) with the appropriate word(s).

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How is a no damages for delay clause used during construction?

What will be an ideal response?

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What type of weld is used to build up a surface by running one or more stringers or weave beads across an unbroken surface?

A. groove weld B. plug weld C. surfacing weld D. fillet weld

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Close-coupled catalytic converters are being discussed. Technician A says they are mounted towards the rear of the vehicle. Technician B says they reach operating temperature more quickly than conventional converters. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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