Electric heat tracing of pipelines is done for freeze protection and _____.

a. to eliminate pipeline maintenance
b. to eliminate standard thermal insulation
c. to provide a grounding conductor
d. for temperature maintenance of the process fluids


d. for temperature maintenance of the process fluids

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________ seeds do not tolerate the maturation drying stage of seed development and must not be allowed to dry below 30% moisture.

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

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Hypoid ring and pinion gears are used in passenger car drive axles. Technician A says that the concave side of a hypoid ring gear tooth is called the drive side. Technician B says the heel is the small, inner end of the ring gear tooth. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The ____________________ kingdom includes multicellular organisms that produce chlorophyll through photosynthesis.

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

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What makes a battery "low maintenance" or "maintenance free"?

A) The material that is used to construct the grids B) The battery plates are smaller, making more room for additional electrolytes. C) The plates are constructed of different metals. D) The electrolyte is hydrochloric acid solution.

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