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CM 411 Midterm #1 Quiz Review Questions Rated A+ Latest Update 2024
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If 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? - CORRECT ANSWER-3 V If you have a circuit with a 9-volt battery and 3 lights (of equal resistance) connected in parallel. What is the voltage across each li...

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  • September 8, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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  • cm 411 midterm 1 quiz review questions rated a l
  • cm 411 midterm 1 quiz review questions stuvia
  • if you have a circuit with a 9 volt battery and 3

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CM 411 Midterm #1 Quiz Review
Questions Rated A+ Latest Update 2024

If 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? - CORRECT ANSWER-3 V



If you have a circuit with a 9-volt battery and 3 lights (of equal resistance) connected in
parallel. What is the voltage across each light? - CORRECT ANSWER-9 V



Which of the following electrical circuit arrangements is most common in buildings? -
CORRECT ANSWER-Parallel circuit



Ohm's Law establishes the relationship between: - CORRECT ANSWER-voltage,
current, and resistance



Ohms is an electrical unit that measures: - CORRECT ANSWER-resistance



Watt is an electrical unit that measures: - CORRECT ANSWER-power



Ampere (amp) is an electrical unit that measures - CORRECT ANSWER-current



Watt/hr is an electrical unit that measures: - CORRECT ANSWER-none of the above-
this is not a real term



Watt-hour is an electrical unit that measures - CORRECT ANSWER-energy



power and energy differs as follows - CORRECT ANSWER-power is instantaneous,
while energy is time dependent



"Nominal size" is the general term commonly used when referring to pipe diameter, and
should not be taken as the actual outside diameter - CORRECT ANSWER-True

, As isometric drawing is not drawn to scale and cannot be used for linear take-offs -
CORRECT ANSWER-True



What type of pipe is the most commonly used in your potable water take off -
CORRECT ANSWER-copper



"A street elbow differs from a common elbow as street elbows have both male and
female threading" - CORRECT ANSWER-True



From your potable water plan reading assignment, the basement plan showed
redundant vale assembly, this type of arrangement assists with maintenance and
operations. - CORRECT ANSWER-True



Copper tube is available as either drawer of annealed. - CORRECT ANSWER-True



The primary purpose of a clean out is to access the drain and vent system. - CORRECT
ANSWER-True



CPVC varies from PVC because it contains carbon filters that allows it to stand high
temperatures. - CORRECT ANSWER-False



PEX tubing pipe is a favorite of plumbers due to its ease of handling and fast
installation. - CORRECT ANSWER-True



The sweating of copper fittings required this before soldering - CORRECT ANSWER-
cleaning and flux



The difference between a cable and a wire is - CORRECT ANSWER-a cable is an
assembly of wire



Assuming the same type of insulation, which wire has a larger diameter? - CORRECT
ANSWER-500 kcmil

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