How do you prevent the rivet from spinning when you are drilling?
A) By angling the drill bit slightly to one side
B) By keeping the drill bit perpendicular to one side
C) By angling the drill bit completely to one side
D) By keeping the drill bit straight up
A
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The list or bill of materials enables some other person, such as a stockroom attendant, a welder's helper, or the operator of flamecutting equipment, to cut or otherwise prepare the various stock pieces needed to fabricate the object.
Answer the following statement true (T) or false (F)
An object is let fall from an airplane flying horizontal to the earth’s surface. How far does it fall before a speed of 20 m/s is reached? Neglect the air friction as a first approximation.
A) 20 m B) 18 m C) 16 m D) 14 m
If one of the acute angles of a right triangle is 22-1/2 degrees, the other acute angle is _____ degrees.
a. 22-1/2 b. 45 c. 60 d. 67-1/2
All energy sources must be _____ to prevent equipment damage or personal injury
a. charged b. reduced c. isolated d. identified