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The most common frequency generated in the United States is 60 cycles. - answers
True
A generation station is a plant which changes fossil fuel, waterfall, or the atom into
electrical energy. - answers True
The generation transforms mechanical energy to electrical energy. - answers True
The power take-off of a digger derrick is not placed near the operator's platform. Name
one other component control that is in an isolated location from the platform. - answers
Outrigger
A substation is an installation used to tie the generation system to the transmission
system. - answers True
A good general rule for the transmission of power is to utilize a voltage value of 500
volts per mile. - answers False
The "static" wire of the transmission line serves the purpose of -- - answers Shielding
the line from lightning
Voltages in the range of 138 Kv to 765 Kv are referred to as -- - answers Transmission
An electrical system used to connect the consumer to the high voltage system. -
answers Distribution system
The digger of a digger derrick is connected mechanically to the source of power. Name
one other component which is connected mechanically. - answers Winch
, Most electric energy is generated at a voltage in a range of 13.2 Kv to 24 Kv. - answers
True
A device used to by-pass voltage surges to protect electrical equipment. - answers
Cutout
A fused device used to protect electrical equipment. - answers Cutout
A switch which is not designed to be opened under load, but used for the isolation of
circuits or equipment only. - answers Disconnect switch
Low voltage wires extending from the last pole or transformer to the consumer is called
a service, or service drop. - answers True
Low voltage wires from the distribution transformer to feed several consumers is called -
- answers Secondary
No loops are placed in the back of the body belt 2 inches either side of center. -
answers True
The minimum distance from the D-rings to the tool pockets is - - answers 4 inches
Climbing equipment should be inspected - - answers Before each use
Climber gaffs should be sharpened- - answers On the bottom side
To the chisel shaped point
The best of the natural fibers for rope. - answers Manila
The ratio of safe working load to the breaking strength of the rope is- - answers 1 to 5
Method of finishing the ends of a rope. - answers Eye splice
Back lash
Whipped End
A rope used to tie material or tools in place temporarily. - answers Sling
The outrigger may be used to level the digger derrick. - answers True
The synthetic fiber rope which is the most elastic. - answers Polyethylene
Manila rope should not be used on voltages over- - answers 5000 volts
A quality manila fiber will appear _______ in color. - answers Light yellow
The method of construction of fiber rope which pulls rope together. - answers Yarns
and strands twisted in opposite directions