CM 411 MIDTERM BRAND
NEW OFFICIAL QUESTIONS
WITH ANSWERS.
Power is instantaneous while energy is time dependent - correct
answer -power and energy differ as follows
True - correct answer -a isometric drawing is not drawn to scale
and cannot be used for take-offs
True - correct answer -a street elbow differs from a common
elbow because street elbows have male and female threading
True - correct answer -copper tube is available as either drawn or
annealed
False - correct answer -cpvc varies from pvc because it contains
carbon fibers that allow it to stand high temperatures
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Cleaning and flux - correct answer -the sweating of copper fittings
requires this before soldering
500 kcmil - correct answer -assuming the same type of insulation,
which wire has a larger diameter
The size of the wire - correct answer -the 14 in a cable marked
14/2 indicates
Square, octagonal, rectantgular - correct answer -electrical device
boxes can be
Splicing - correct answer -___________ is the joining of two or
more electrical conductors by mechanically twisting the
conductors together or by using a special splicing device
Gate - correct answer -a __________ valve is a full-way valve
used to regulate fluid flow in which a threaded stem raises and
lowers a wedge-shaped disk that fits against a valve seat within
the valve body