Labor cost is the most predictable cost for the contractor.
Answer the following statement true (T) or false (F)
False
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Which of the following is a function of fluxes used in brazing and soldering?
A. They must prevent wetting. B. They must discourage capillary action. C. They must remove oxides that form from heating parts D. They must encourage oxides to form in the heated parts.
Plastic drain pipe is manufactured in ____-foot lengths of rigid pipe.
A. 10 B. 50 C. 100 D. 250
Which of the following is a disadvantage of a solid rear axle?
A) Reduced tire adhesion B) Side to side shock transference C) Increased proportion of unsprung weight D) All of these are disadvantages of a solid rear axle.
Which type of electrical space heater has the greatest potential for overheating?
A) Cabinet-type electric space heaters B) Convection baseboard electric space heaters C) Suspended-force fan-unit electric space heaters D) Forced-air electric space heaters