Decorative joints are used to _____
a. relieve stresses in large slabs
b. create patterns and designs
c. add color to concrete patios and driveways
d. control concrete cracking
b
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One method of dynamic braking is to change the function of the motor to that of a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
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The OSHA form that shows annual totals of illness and injuries (also called the summary) is OSHA Form _____.
a. 300 b. 300A c. 301 d. 301A
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Leak-checking a system prior to startup is an absolute must, especially when refrigerant lines are to be __________.
A. brazed B. flared C. sealed behind walls or ceilings D. soldered
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The process by which thermal energy is transferred by a vacuum is called __________.
A. convection B. conductance C. radiation
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