Atmospheric pressure is created by:
A) Centrifugal force created by the spinning of the earth.
B) The weight of the air in the atmosphere.
C) There is no such thing as atmospheric pressure.
D) The earth's magnetic field.
B
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The edge of concrete slabs that are at, or within 18" of the grade must be insulated.
Answer the following statement true (T) or false (F)
When the signal person stands with arm extended, thumb pointing down, and flexes her fingers in and out, the crane operator is to _____.
a. dog everything b. drive the crane forward with boom down c. raise the boom d. lower the boom and raise the load
A customer uses a coupon to save $4 on a $25.00 oil change. What percent of the cost of the oil change will he save?
A) 2,306.4% B) 240% C) 2.4% D) None of these
The stone wheel mounted to a bench grinder can be used for ________
A) Sharpening chisels and blades B) Cleaning gaskets from surfaces C) Both A and B D) Neither A nor B