Introduction to Electronics -- ELTC 101
Safety Video #2: The Shock Emergency
Name: ______Due:
______
Directions:
Indicate the best response for each question.
Grading:
Each safety video is worth 5 points. Turn in this sheet with the answers in the space provided.
Assignment:
1.More people are seriously injured by the danger of a low voltage power source than by exposure to high voltage sources.
A.underestimating
B.overestimating
C.understanding
2.If you are not sure a procedure is safe, you should:
A.perform it to the best of your ability.
B.perform it only if you are appropriately dressed.
C.not perform it.
3.An electrical shock is:
A.acceptable when work is being performed on a low voltage circuit.
B.acceptable when a worker is properly dressed.
C.always unacceptable.
4.Over a period of time, experienced technicians develop a touch that enables them to locate a low voltage circuit with their hands.
A.True
B.False
5.Wearing will increase your likelihood of getting shocked.
A.a short-sleeved shirt
B.jewelry
C.rubber-soled shoes
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Introduction to Electronics -- ELTC 101
Safety Video #2: The Shock Emergency
Name: ______Due:
______
6. are designed to measure voltage and current flow quickly and safely.
A.Gloves
B.Circuit interrupters
C.Meters
7.The temperature at the terminal of an electrical arc is degrees.
A.3,500
B.35,000
C.350,000
8.Serious injuries can occur with only brief exposure from the source of an electrical arc.
A.1 foot
B.5 feet
C.10 feet
9.Circuits with faulty connections sometimes emit at 1,800 degrees.
A.blast particles
B.sparks
C.X-rays
10.When exposed to high temperatures, synthetic materials like nylon:
A.can melt anc cause a serious burn.
B.will flame more easily.
C.act as an insulator protecting a worker from serious injuries.
11.Clothing that fits comfortably and is desirable in all work environments:
A.looks neat
B.restricts unnecessary movement
C.allows ease of movement
12.If your work brings you near an energized circuit, be sure to wear:
A.a hard hat.
B.steel-toe shoes.
C.protective leather gloves.
13.High voltage power lines are to prevent accidental contact.
A.elevated off the ground
B.insulated with high-grade rubber
C.enclosed within barbed wire fences
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Introduction to Electronics -- ELTC 101
Safety Video #2: The Shock Emergency
Name: ______Due:
______
14.Electricity for home use is delivered through three power lines. These lines are:
A.all hot.
B.a combination of two neutral and one hot.
C.a combination of two hot and one neutral.
15.The safest type of plug is a:
A.two-prong plug that fits an outlet in either direction.
B.two-prong plug that is polarized and fits in only one direction.
C.three-prong plug with a ground connection.
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