The minimum standard headroom for commercial use is _____
a) 6'-4"
b) 6'-6"
c) 6'-8"
d) 6'-10"
c
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?The operating voltage required for air carbon arc welding is ___________.
A. ?35 volts or higher B. ?18 volts or higher C. ?120 volts or 240 volts D. ?24 volts or lower
Which of the following statements is true?
A. The equation K.E.= 1/2 Mv^2 can only be used with SI units. B. In the equation K.E.= 1/2 Mv^2, the number 1/2 has no units. C. The equation P.E.=Mgh can only be used with SI units. D. In the equation P.E.=Mgh, the quantity g has the same units as a velocity. E. All of the above are true.
In their simplest form, section lines are thin parallel lines used to indicate what portion of the object has been cut by the cutting plane.
Answer the following statement true (T) or false (F)
On a certain trip a car travels 399.5 miles and averages 32.4 miles per hour. How long does it take to make this trip, to the nearest tenth of an hour?
A. 12.1 B. 12.3 C. 12.5 D. 12.7