問題一覧
1
What is the primary drawback to FRP tools?
the relative delicacy compared to wooden hot-sticks
2
Live-line tools should be kept clear of conductors for the following reason:
Conductor particles will rub into the surface of a live-line tool creating a conductive zone
3
Why did OSHA develop the altitude correction factor?
Electrical arcs can travel farther in thin air of high altitudes
4
When working on or near energized parts, utility workers should remove all conductive objects such as watches, chains, rings etc.
True
5
Wooden live-line tool rods must be designed and constructed to withstand the following minimum test:
75,000 Volts per foot
6
In which work procedure listed below is the minimum approach distance still applicable
Hot Sticking
7
OSHA requires a minimum of ____ employees be present while working on lines energized at more than 600 Volts
2
8
During testing, meters and other instruments with accessible terminals or parts shall be
isolated from test personnel
9
Ladders and platforms must be capable of supporting, without failure, at least ______ times the maximum intended load (employee and tools combined)
2 1/2
10
Minimum approach distances were based on
the distance electricity can arc and inadvertent movement
11
Which of the following is NOT a means of guarding when preforming tests where permanent fences and gates are not presnt
Guarding with a laser that creates a barrier that will give an audible alert when the path of the laser is broken
12
How often should safety checks occur during test at temporary or field test areas?
At the beginning of each series of test
13
When wiping a live-line tool clean
the stick and cloth should be rotated in opposite directions
14
FRP live-line tool rods must be designed and constructed to withstand the following minimum test:
100,000 Volts per foot
15
The first step in releasing a clearance with or without a system operator is to:
Notify all members of the crew that the clearance is to be released
16
Paragraph (j) of OSHA’s electric utility standard requires that “Each live-line tool shall be wipped clean and visually inspected for defects before use _____.”
each day
17
How often must live-line tools be removed from service for examination, cleaning, repair and testing?
Every two years and whenever indicated as a result of daily inspections
18
Overvoltage correction to the minimum approach distances is most common with which of the following conditions?
when working on transmission circuits
19
Which statements below is NOT a requirement for a utility worker using a ladder or platform near energized equipment or conductors?
ladders and platforms may be modified to make the job easier
20
When preforming a high voltage test with a test trailer or test vehicle it is important to
Ground the chassis
21
The first step in establishing a clearance with system operators is to
Request the clearance from the system operator
22
What type of program do many power companies implement to prevent flash-over on extra-high voltage circuits?
insulator washing programs
23
Who takes place of the system operator during a clearance when a system operator is not available
a member of the crew
24
The employee and energized part are not insulated and the employee is encroaching on the minimum approach distance, but will watch to make sure the object of a different potential is not touched
The employee and energized part are not insulated and the employee is encroaching on the minimum approach distance, but will watch to make sure the object of a different potential is not touched
25
Emergency repairs to the extent necessary to safeguard the general public
Emergency repairs to the extent necessary to safeguard the general public