Electrical Safety Handbook (50 Questions) Flashcards
According to the Electrical Safety Handbook, ________ is the difference in electrical potential between two points in a circuit. It is the force that causes the flow of electricity, and it is measured in volts. Can be compared to water pressure.
A) Voltage
B) Current
C) Resistance
D) Grounding
A) Voltage
Answer: A
According to the Electrical Safety Handbook, ___________ is similar to the effect of friction on the flow of water inn a pipe. (Water flows more freely in a large pipe than a small one.) Different materials have different resistance to the flow of electricity. Very high resistance materials are called insulators, while the low resistance materials are called conductors. Resistance is measured in ohms.
A) Voltage
B) Current
C) Resistance
D) Grounding
C) Resistance
Answer: C
According to the Electrical Safety Handbook, ________ is the process of mechanically connecting isolated wires and equipment to the earth, with sufficient capacity to carry any fault current and to ensure the wires and equipment remain at the same potential (same voltage) as the earth (ground).
A) Voltage
B) Current
C) Resistance
D) Grounding
D) Grounding
Answer: D
According to the Electrical Safety Handbook, ________ is a flow of electrical charge. It can be compared to the rate of flow of water in a pipe. Current is typically measures in amperes (or amps).
A) Voltage
B) Current
C) Resistance
D) Grounding
B) Current
Answer: B
According to the Electrical Safety Handbook, electrical hazards are created when electrical equipment or wires have become faulty. Which of the following examples are correct that can lead to electrical hazards?
A) Worn out or deteriorated
B) Improperly installed
C) Adverse weather/natural events exposure
D) All of the above
D) All of the above
Answer: D
According to the Electrical Safety Handbook, overloading of electrical conductors and motors accounts for the majority fires caused by ___________. There is a danger when the amount of electrical current exceeds the capacity conductors and equipment are designed to carry.
A) Arcing
B) Overheating
C) Voltage
D) None of the above
B) Overheating
Answer: B
According to the Electrical Safety Handbook, which of the following is not an example of an insulator?
A) Porcelain
B) Glass
C) Gold
D) Plastic
C) Gold
Answer: C
According to the Electrical Safety Handbook, because electricity takes all paths to ground, electrical systems use multiple safety systems to deal with system faults. Conductive _____ rods are one component used to ensure that any stray electricity is returned to earth.
A) Voltage
B) Potential
C) Insulating
D) Grounding
D) Grounding
Answer: D
According to the Electrical Safety Handbook, related electricity on the ground to a rippling water in a pool is attempting to explain the effect known as “ ______ gradient”. It is also referred to as “ground gradient”
A) Current
B) Voltage
C) Potential
D) Resistance
C) Potential
Answer: C
According to the Electrical Safety Handbook, the potential gradient, or voltage difference, creates two problems known as “ ____________ potential” and “__________ potential”
A) Resistive & Touch
B) Step & Touch
C) Step & Voltage
D) Fault & Touch
B) Step & Touch
Answer: B
According to the Electrical Safety Handbook, the further apart that “X” and “Y” are, the greater the electrical contact hazard. This effect is referred to as “ potential”
A) Ground
B) Step
C) Fault
D) Gradient
B) Step
Answer: B