CM 411 Midterm Exam Questions With 100% Correct Answers Scored A+
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Course
CM 411
Institution
CM 411
3 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt battery and 3 lights (of equal resistance connected in series). What is the voltage across each light?
9 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt and 3 lights connected in parallel. What is the volta...
CM 411 Midterm Exam Questions With
100% Correct Answers Scored A+
3 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt battery and
3 lights (of equal resistance connected in series). What is the voltage across each light?
9 volts - CORRECT ANSWER-Assume that you have a circuit with a 9 volt and 3 lights
connected in parallel. What is the voltage across each light?
parallel - CORRECT ANSWER-which of the following electrical circuit arrangement is
most common in buildings?
voltage, current, resistance - CORRECT ANSWER-ohms law establishes the
relationship between
resistance - CORRECT ANSWER-ohms is an electrical unit that measures
power - CORRECT ANSWER-watt is an electrical unit that measures
current - CORRECT ANSWER-ampere is an electrical unit that measures
energy - CORRECT ANSWER-watt-hour is an electrical unit that measures
true - CORRECT ANSWER-nominal size is the general term commonly used when
referring to pipe diameter and should not be taken as the actual outside diameter
true - CORRECT ANSWER-the primary purpose of a clean-out is to access the drain
and vent system
true - CORRECT ANSWER-pex tubing is a favorite of plumbers due to the ease of
handling
, a cable is an assembly of wires - CORRECT ANSWER-the difference between a cable
and a wire is
500 kcmil - CORRECT ANSWER-which wire can carry more current?
slash marks - CORRECT ANSWER-in an electrical home run, ___________ indicate
the number of the conducting wires in cables or conduit and an arrow symbolizes the
circuit connection to the service panel
nonmetallic-sheathed cable - CORRECT ANSWER-__________ is a type of cable that
consists of three insulated electrical conductors held together and protected by a strong
plastic jacket
check - CORRECT ANSWER-a __________ valve is a valve that allows flow in only
one direction
true - CORRECT ANSWER-a temperature and pressure relief valve must be able to
release high temperature water at a rate equal to or greater than the rate at which the
water heat generates it
incandescent - CORRECT ANSWER-what type of lighting would you specify if you
wanted the lowest installed cost?
LED - CORRECT ANSWER-what type of lighting fixture would you specify if you wanted
the best color rendition?
fluorescent - CORRECT ANSWER-what type of lighting would you specify if you wanted
the best overall combination of cost, efficiency, color rendition, and life?
footcandle - CORRECT ANSWER-what term is used as a measure of light intensity?
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