A machine screw __________.
Answer(s): A
A machine screw cannot cut threads in wooden surfaces. Machine screws are used in a wide variety of applications, not just building or construction; the diameter and pitch of the screw and the nut must be the same for them to work together; and a machine screw cannot be used to cut threads in sheet metal.
Uncontrolled, rapid drying of wood (for instance, lumber) causes __________.
Answer(s): C
Uncontrolled, rapid drying of wood (for instance, lumber) causes checking and cracking. This is why new lumber sometimes is kept submerged in water until it's time for it to be cut.
A finishing nail has a than a common nail __________.
A finishing nail has a smaller head and smaller diameter than a common nail.
The piston of an internal combustion engine fits inside the __________.
Answer(s): B
The piston is the object inside the engine that moves up and down inside the cylinder to produce the power needed.
The flywheel is attached to the __________.
The flywheel is used to keep the engine running smoothly inasmuch as it has a tendency to smooth out the individual power surges generated by the various cylinders firing the fuel charge. The flywheel is attached to the crankshaft.
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