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Is the following statement true or false?
Introduction Arc and Blast Other Safety Issues
1
ReviewElectric Shock
Bill C45 does not affect engineers because engineers do not direct other people to work.
Answer: FALSE
Is the following statement true or false?
Introduction Arc and Blast Other Safety Issues
2
ReviewElectric Shock
According to these slides, the goal of health and safety management is to achieve a fatality rate as minimum as possible.
Answer: FALSE
Is the following statement true or false?
Introduction Arc and Blast Other Safety Issues
3
ReviewElectric Shock
According to the SPIES Model presented in these slides, “Emotional” is defined as when someone strongly feels about the need.
Answer: TRUE
Introduction Arc and Blast Other Safety Issues
4
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
The duration of current flow in human body is not an important factor in determining the severity of electric shock.
Introduction Arc and Blast Other Safety Issues
5
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
In general, a person can tolerate up to 30 mA of rms current at 60 Hz.
Introduction Arc and Blast Other Safety Issues
6
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
The “let-go current” at 2 kHz is lower than the let-go current at 60 Hz.
Introduction Arc and Blast Other Safety Issues
7
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
According to the examples given in these slides, a four-coil typical electric stove can draw current as much as 50 A.
Introduction Arc and Blast Other Safety Issues
8
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
The engineers ensure public safety through their designs.
Introduction Arc and Blast Other Safety Issues
9
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
The resistivity of the human body depends on skin conditions as well as gender.
Introduction Arc and Blast Other Safety Issues
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ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
The muscle resistance in the human body is much higher than the skin resistance.
Introduction Arc and Blast Other Safety Issues
11
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
The level of electric shock increases if the contact area between the human body and a live (or hot) wire increases.
Introduction Arc and Blast Other Safety Issues
12
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
Dry skin has less resistance than wet skin.
Introduction Arc and Blast Other Safety Issues
13
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
In a single phase electric wiring, either the neutral line or the ground line is required.
Introduction Arc and Blast Other Safety Issues
14
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
According to CSA Group’s electrical installation standards, the colors of the live (hot) lines of a three-phase system should be red, black and blue.
Introduction Arc and Blast Other Safety Issues
15
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
If a person stands on an insulator and comes in contact with the live (hot) line, she or he will never be electrocuted.
Introduction Arc and Blast Other Safety Issues
16
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
In order to ensure safety, the switches should be connected on the live (or hot) line.
Introduction Arc and Blast Other Safety Issues
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ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
Static electricity can be hazardous but it cannot cause a fire.
Introduction Arc and Blast Other Safety Issues
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ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
Bonding and grounding are the two methods of eliminating static charge when pouring gasoline from one container to another through a hose. In order to ensure safety, either the bonding or the grounding technic is enough while pouring gasoline.
Introduction Arc and Blast Other Safety Issues
19
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
Insulation failure is an important cause of arcing.
Introduction Arc and Blast Other Safety Issues
20
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
Arching results in fierce fire and the temperature of this fire can reach a maximum value of 2000 C.
Introduction Arc and Blast Other Safety Issues
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ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
Flash protection boundary is defined as the distance at which a person can be exposed to 1.2 cal/cm2 of incident energy.
Introduction Arc and Blast Other Safety Issues
22
ReviewElectric Shock
Answer: FALSE
Is the following statement true or false?
A short circuit occurs when a live line (hot) and ground line actually touch each other.
Introduction Arc and Blast Other Safety Issues
23
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
GFCIs (Ground-Fault Circuit Interruption) activates when a minimum of 5mA current difference occurs in the live (hot) and neutral lines.
Introduction Arc and Blast Other Safety Issues
24
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
A person can receive electrical shock due to step potential even he or she is not in a direct contact with the live (hot) line.
Introduction Arc and Blast Other Safety Issues
25
ReviewElectric Shock
Answer: TRUE
Is the following statement true or false?
The PPE rating (cal/cm2) of fire resistant cloths increases as the minimum flash protection boundary value increases.
