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IEC lesson 105 HW Questions and Answers 100% Solved
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Exam of 2 pages for the course IEC at IEC (IEC lesson 105 HW)
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IEC lesson 105 HWLadders should extend at least ___ feet above the landing for easy access. - answer3
Damaged cords on power tools should be ___. - answer replaced
All circuit wires should be considered ___ until tested. - answer energized (live)
While standing in water you should ___. - answer never use power tools
You should ___ oil, grease, or water spills. - answer immediately clean up
Electricians should use metal ladders and wear metal hard hats. - answer false
F to C - answer(F - 32) *
C to F - answer(C * 9/5) + 32
Which circuit has a higher resistance during the summer? Both circuits have the same
size wire, are the same length, and use the same conductor material - answerCircuit #1
is run in conduit on the roof of a building
If the same size wire is used for a circuit, which of the circuits below has the greater
resistance? - answerCircuit #2: 300' long
Knowing that aluminum conductors have a higher resistance than silver-plated copper
conductors of the same size and length, which has the higher K value? -
answeraluminum
Power is measured in ___. - answerwatts
A circuit is to be run to a parking lot light. The blueprints call for you to run 8 AWG wire
that has a diameter of .128 inches. However, you ran #10 wire that has a diameter
of .116 inches. You have ___ the total circuit resistance. - answerincreased
Compressed gas cylinders should be opened slowly to prevent ___. - answervalve
damage
Platform planks should overlap supports not less than ___ inches nor more than ___
inches and should be secured from shifting. - answer6 - 12
If current does not flow in a circuit, the circuit is said to be ___. - answeropen
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