Lesson 6 Flashcards
Powered Equipment Safety-Underground (21 cards)
Great care should be taken when using powered equipment because it can cause damage to utilities and property and can cause personal injuries.
True or False?
True
Reference: Powered Equipment Safety—Underground, “Introduction,” Paragraph 2, Sentence 2
The ? should be consulted because it covers specific safety, service, and operating information for a piece of equipment.
a. employer’s operating procedures
b. manufacturer’s repair manual
c. operator’s manual
d. safety handbook
c. operator’s manual
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 1, Sentence 1
On an electric or gas powered machine, ? advise(s) people of areas to avoid when the machine is operating.
a. the different sounds of the motor
b. the name plate
c. the paint door
d. warning stickers
d. warning stickers
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 1, Sentence 3
When a machine is operating, people should be kept at least ? away.
a. 3’
b. 4’
c. 5’
d. 6’
d. 6’
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 2, Sentence 2
A weak point in a hydraulic line could lead to a(n) ? .
a. electric short
b. hand control box access only problems
c. leak
d. vaporlock
c. leak
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 4, Sentence 4
Three things you should be looking for when checking a trencher boom include loose bolts; loose, worn, or missing teeth; and ? .
a. grease fittings
b. proper length of chain bar
c. tension on the chain
d. tension on the tie-down
c. tension on the chain
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 4, Sentence 11
When an equipment trailer is selected, its length is more important than its capacity.
True or False?
False
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 5, Sentence 2
To properly place equipment on a trailer, the weight of the machine should be centered ? .
a. at the center point of the trailer
b. in back of the trailer axles
c. in front of the trailer axles
d. over the trailer axles
d. over the trailer axles
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 6, Sentence 2
If the weight of the equipment being transported is ahead of the proper center point on the trailer, too much weight will be placed on the tongue of the trailer.
True or False?
True
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 6, Sentence 3
The Department of Transportation (DOT) requires ? points of tie down.
a. 2
b. 3
c. 4
d. 5
c. 4
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 6, Sentence 7
Hand digging or using ? is required to locate and expose utilities before trenching can begin.
a. a cable tracer
b. a sucker truck
c. a thump
d. one call
b. a sucker truck
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 8, Sentence 6
Lowering the attachments of a trencher helps lower the center of gravity of a trencher; this will help to maintain control of a trencher when trenching ? of a hill.
a. across a slope
b. down a slope
c. on a ridge
d. up a slope
a. across a slope
Reference: Powered Equipment Safety—Underground, “Trencher,” Paragraph 10, Sentence 2
Allowing the stabilizer arms to remain off the ground allows a backhoe to move when digging in hard ground and is considered a good practice.
True or False?
False
Reference: Powered Equipment Safety—Underground, “Loader/Backhoe,” Paragraph 2, Sentence 5
The ? is responsible for maintaining the clear zone around a backhoe.
a. apprentice
b. contractor
c. job safety supervisor
d. operator
d. operator
Reference: Powered Equipment Safety—Underground, “Loader/Backhoe,” Paragraph 3, Sentence 7
When operating a backhoe, it is not necessary to wear a hardhat because the cab of the backhoe offers adequate protection.
True or False?
False
Reference: Powered Equipment Safety—Underground, “Loader/Backhoe,” Paragraph 3, Sentence 3
Safety glasses are only required to be worn by backhoe operators if they have the cab windows open.
True or False?
False
Reference: Powered Equipment Safety—Underground, “Loader/Backhoe,” Paragraph 3, Sentence 3
Never check a hydraulic line that is under pressure for a leak with your hand because the ? .
a. fluid can freeze your skin on contact
b. hose can cause a serious burn
c. hose can cause a serious laceration
d. pressurized fluid can penetrate your skin
d. pressurized fluid can penetrate your skin
Reference: Powered Equipment Safety—Underground, “Directional Boring Machine,” Paragraph 4, Sentence 6
Utilities should be “potholed” for ? .
a. an added measure of safety for all those relying on the utility service
b. proof of service being turned off
c. verification of type of utility
d. visual verification, when using a boring machine
d. visual verification, when using a boring machine
Reference: Powered Equipment Safety—Underground, “Directional Boring Machine,” Paragraph 5, Sentence 3
When an electric strike warning system alerts an equipment operator of an electrical contact when using a boring machine, the operator should remain on the machine or ? .
a. a ground mat
b. a minimum of 30’ from the trench
c. with at least one foot in constant contact with the machine
d. with at least one hand in constant contact with the machine
a. a ground mat
Reference: Powered Equipment Safety—Underground, “Directional Boring Machine,” Paragraph 7, Sentence 5
When working underground, in the event of a ? line contact/dig-up, do NOT attempt to repair or turn off the line.
a. cable tv
b. gas
c. phone
d. water
b. gas
Reference: Powered Equipment Safety—Underground, “Directional Boring Machine,” Paragraph 8, Last Sentence
When you come in contact with or hit a ? line, treat it as an electrical strike.
a. communication
b. gas
c. sewer
d. water
a. communication
Reference: Powered Equipment Safety—Underground, “Directional Boring Machine,” Paragraph 10, Sentence 1
