Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Drinking Water Distribution > Safety > Flashcards

Safety Flashcards

1
Q

True or False? Longer tapers in a temporary traffic control zone are always better than shorter tapers.

A

False. They are not necessarily better

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False? Temporary traffic control (TTC) devices should always be placed where they will give drivers adequate time to react

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False? The activity area of a temporary traffic control (TTC) zone consists of the work space, the traffic space, and the buffer space.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or False? Temporary traffic control (TTC) arrow boards should be used alone without signs, channelizing devices, or other TTC device.

A

False. They should be used in combination with them

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or False? Before a damaged ladder or safety device can be placed back into service, it must be restored to a condition that meets its original design criteria

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False? If a switch or circuit breaker is tagged and locked out, only the person who placed the tag should remove it

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False? Inhalation of hydrochloric acid fumes can cause coughing, choking, and inflammation of the entire respiratory tract

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False? OSHA regulations allow operators to refuse to perform work under unsafe conditions

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False? Acids with high pH values are the most corrosive

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or False? Operate a pump against a closed discharged valve to prevent overheating

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Why are hydropneumatics pressure tanks incorporated with wells normally painted on the interior surface with a protective coating?

a. To extend the life of the tank.
b. To increase the wall strength of the pressure vessel.
c. To enhance taste and odors.
d. To encourage corrosion.

A

to extend the life of the tank

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Each person whose action affect temporary traffic control (TTC) zone safety should receive what kind of training?

a. Training appropriate to the job decisions everyone is required to make
b. Training appropriate to the expected traffic volumes
c. Training appropriate to the types of TTC devices to be used
d. Training appropriate to the complexity of the job site

A

training appropriate to the job decisions each individual is required to make

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the purpose of the termination area in a temporary traffic control (TTC) zone?

a. To allow traffic to leave the area
b. To inform traffic that the work is completed
c. To return road users to their normal path
d. To thank drivers for their patience and funding of the project

A

To return road users to their normal path

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why should protective goggles be worn when working with car batteries?

a. To be able to see the intricate wires to be connected
b. To protect the eyes from dangerous arcing
c. To keep flying battery fragments and chemicals out of the eyes
d. To protect the eyes from excessive heat

A

to keep flying battery fragments and chemicals out of the eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A temporary traffic control (TTC) zone extends from which point to which point.

a. From the first flagger to the flagger directing traffic from the other direction
b. From the point where drivers first detect the work activity to where they no longer see any work activity
c. From the start of the activity area to the end of the termination area
d. From the first warning sign or high-intensity rotation, flashing, oscillating, or strobe lights on a vehicle to the last TTC device

A

from the first warning sign or high-intensity rotating, flashing, oscillating, or strobe lights on a vehicle to the last TTC device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Why should reduced speed zoning (lowering the regulatory speed limit) be avoided as much as practical?

a. Because the additional signs will confuse drivers
b. Because drivers will reduce their speed only if they clearly perceive a need to do so
c. Because lowering the regulatory speed limit will increase vehicle gasoline consumption
d. Because drivers prefer to maintain their cruising speed

A

because drivers will reduce their speeds only if they clearly perceive a need to do so

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is a corrosive chemical?

a. Any chemical that may weaken, burn, or destroy a person’s skin or eyes
b. Any chemical that smells odorous
c. Any chemical that causes material to deteriorate
d. Any chemical that contains a hydrogen ion

A

Any chemical that may weaken, burn, or destroy a person’s skin or eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

In which situations may vertical panels be used in temporary traffic control (TTC) zones to channelized vehicular traffic, divide opposing lanes, or replace barricades?

a. Where visibility is poor due to heavy fog, rain, or snowfall
b. Where soils are suitable for installing them
c. Where trucks with long trailers are passing through the TTC zones
d. Where space is limited

A

Where space is limited

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How should liquids spilled on floors be cleaned up?

a. Use copious amounts of water
b. Use sawdust as an absorbent material
c. Use water and detergent
d. Use nonflammable absorbent material

A

Use nonflammable absorbent materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

For what purpose are temporary traffic control (TTC) drums most commonly used?

a. To delineate a buffer space
b. To create a noise to alert drivers of a hazardous area
c. To warn road users of short -term operations
d. To channelize or delineate traffic flow

A

To channelize or delineate traffic flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How can risk of shock or electrocution be reduced substantially when working in damp places while using electric hand tools?

a. By ensuring all operators follow the same procedures
b. By locking out and tagging the energy isolating device
c. By using a ground-fault circuit interrupter (GFCI)
d. By wearing canvas gloves

A

By using a ground-fault circuit interrupter (GFCI)

22
Q

What is the purpose of sanitary seal on a well?

a. To prevent contaminated water or debris from entering around the well casing and reaching the groundwater
b. To prevent the loss of unaccounted for water from the well
c. To protect the well from a reduction in the specific yield
d. To protect the well from contamination by filtering out pollutant

A

To prevent contaminated water or debris from entering around the well casing and reaching the groundwater

23
Q

What important safety rule should be observed to prevent acid from splashing on you when mixing acid and water?

a. Water should always be added slowly to acid
b. Use an acid-proof crock for mixing
c. Mix with a wooden paddle
d. Acid should always be added slowly to the water

A

Acid should always be added slowly to the water

24
Q

Why must lubricants and fuels be stores in a separate facility from other storage area?

a. Because of the need to be located near the points of use
b. Because of the potential fire hazard
c. Because of the potential confusion form mislabeled
d. Because of the need to be located near delivery points

A

because of the potential fire hazard

25
Q

What is the purpose of flagging procedures?

a. To facilitate the flow of construction equipment through the work area
b. To ensure motorists are alert when driving through the work area
c. To provide flaggers with experience in using signaling devices
d. To provide positive guidance to motorists driving through the work area

A

To provide positive guidance to motorists driving through the work area

26
Q

What is the approved ballast system for temporary traffic control (TTC) devices mounted on temporary portable supports?

a. Air-filled containers
b. Water-filled containers
c. Balsa wood rings
d. Sandbags

A

Sandbags

27
Q

Which items causes approximately 25% of all accidents according to industrial accident reports?

a. Slips and falls
b. Defective ladders
c. Poor maintenance
d. Failure to install guards and rails

A

Slips and falls

28
Q

Which type of buffer space may be placed in advance of a work space in at temporary traffic control (TTC) zone?

a. Longitudinal
b. Vertical
c. Lateral
d. Horizontal

A

Longitudinal

29
Q

Who is responsible for safety?

a. Safety regulatory agency
b. Safety committee
c. Everyone from the top management to all employees
d. Safety inspectors

A

Everyone from top management to all employees

30
Q

Why might a well casing and well require an acid treatment?

a. To enhance effectiveness of chlorine residual
b. To loosen encrustations
c. To adjust product water pH
d. To remove pathogenic organisms

A

to loosen encrustations

31
Q

How can the speed of traffic be reduced in high-traffic high-hazard areas?

  1. Use flaggers in high-speed areas only
  2. Use regulatory speed zoning
  3. Use flaggers in low-speed areas only
  4. Use lane reduction
  5. Use police presence
A
  1. regulatory speed zoning
  2. flaggers in low-speed areas only
  3. lane reduction
  4. police presence
32
Q

Which items should be checked during a safety inspection of a well site?

  1. Caution/warning signs are in place where necessary
  2. Cleanliness of the site
  3. Condition of fencing around the site
  4. Locks are installed on electrical panels
  5. Sufficient inventory of safety inspection reports forms
A
  1. Caution/warning signs are in place where necessary
  2. Cleanliness of the site
  3. Condition of fencing around the site
  4. Locks are installed on electrical panels
33
Q

Which items are part of the mechanical/safety inspection performed on vehicles and towed equipment before they leave the maintenance yard?

  1. Mirrors and windows
  2. Lighting system, including backup lights, turn signals, and brake lights
  3. Trailer hitch and tongue
  4. Tire tread and inflation
  5. Brakes on the vehicle and trailer if equipped
A
  1. Mirrors and windows
  2. Lighting system, including backup lights, turn signals, and brake lights
  3. Trailer hitch and tongue
  4. Tire tread and inflation
  5. Brakes on the vehicle and trailer if so equipped
34
Q

Total stopping distance is the sum of which distance?

  1. Observable distance
  2. Reaction distance
  3. Visible distance
  4. Perception distance
  5. Braking distance
A
  1. Reaction distance
  2. Perception distance
  3. Braking distance
35
Q

Moving parts on a pump that require safety guards include which items?

  1. Rotation members
  2. Alignment checking devices
  3. Base plates
  4. Meshing gears
  5. Reciprocating arms
A
  1. rotation members
  2. meshing gears
  3. reciprocating arms
36
Q

Which safety rules must be followed when working around electrical equipment?

  1. Electrical installations must be maintained in a safe condition
  2. Equipment must be suitably grounded
  3. Machinery must be locked out during cleaning, servicing, or adjusting
  4. Only qualified persons may work on electrical equipment
  5. Provisions must be made for suitable overcurrent protection
A
  1. Electrical installations must be maintained in a safe condition
  2. Equipment must be suitably grounded
  3. Machinery must be locked out during cleaning, servicing, or adjusting
  4. Only qualified persons may work on electrical equipment
  5. Provisions must be made for suitable overcurrent protection
37
Q

What is safety?

  1. Freedom from exposure to danger
  2. The condition of being suitably grounded
  3. Knowledge of or skill in methods of avoiding accidents or disease
  4. Exemption from hurt, injury, or loss
  5. To protect against failure, breakage, or other accidents.
A
  1. freedom from exposure to danger
  2. The condition of being safe
  3. knowledge of or skill in methods of avoiding accidents or disease
  4. exemption from hurt, injury, or loss
  5. to protect against failure, breakage, or other accidents
38
Q

Which questions are major considerations when determining temporary traffic control (TTC) needs for a specific work zone situation?

  1. Do local law enforcement agencies need to be notified?
  2. What type of road is involved?
  3. Will the nature of traffic change while work is underway?
  4. Are cones, drums, barricades, or arrow boards needed for traffic channelization?
  5. Where is the work zone located (on the roadway, on the shoulder, or beyond the shoulder)?
A
  1. Do local law enforcement agencies need to be notified?
  2. What type of road is involved?
  3. Will the nature of traffic change while work is underway?
  4. Are cones, drums, barricades, or arrow boards needed for traffic channelization?
  5. Where is the work zone located (on the roadway, the shoulder, or beyond the shoulder)?
39
Q

Which items are utility agencies typically responsible for when performing work within the rights-of-way of streets and highways?

  1. Keeping all temporary traffic control (TTC) devices clean and in proper position to ensure optimum effectiveness
  2. Replacing or reimbursing the governing road authority for any damage to or loss of existing traffic signs
  3. Removing temporary traffic control (TTC) equipment when it is no longer required or appropriate
  4. Keeping proper records of temporary traffic control (TTC) activities
  5. Supplying their own flaggers when required
A
  1. Keeping all TTC devices clean and in proper position to ensure optimum effectiveness
  2. Replacing or reimbursing the governing road authority for any damage to or loss of existing traffic signs
  3. Removing TTC equipment when it is no longer required or appropriate
  4. Keeping proper records of TTC activities
  5. Supplying their own flaggers when required
40
Q

Water distribution system operators work in traffic while doing which tasks?

  1. Training
  2. Completing pipeline rehabilitation
  3. Making repairs
  4. Performing inspection
  5. Sandblasting inspection
A
  1. Completing pipeline rehabilitation
  2. Making repairs
  3. Performing inspections
41
Q

Which items should be included on a safety inspection report form?

  1. Ladders and stairs
  2. Material storage
  3. Fire hazards
  4. Housekeeping
  5. Lighting
A
  1. Ladders and stairs
  2. Material storage
  3. Fire Hazards
  4. Housekeeping
  5. Lighting
42
Q

Which spaces are parts of the activity area of a temporary traffic control (TTC) zone?

  1. Inner space
  2. Buffer space
  3. Outer space
  4. Traffic space
  5. Work space
A
  1. buffer space
  2. traffic space
  3. work space
43
Q

What are common formed of stored energy in water distribution system equipment?

  1. Hydraulic pressure
  2. Energy stored in a spring
  3. Energy stored in isolating devices
  4. Compressed gases that are stored under pressure
  5. Electrical energy
A
  1. Hydraulic pressure
  2. Energy stored in a spring
  3. Compressed gases that are stored under pressure
  4. Electrical energy
44
Q

Which safety procedures should be used when climbing a ladder?

  1. Face the ladder and use both hands to grip the rungs or side rails firmly
  2. Wear shoes with heels
  3. Place feet firmly on each rung before transferring the full weight of your body to each foot
  4. Never jump from the ladder
  5. Climb deliberately, but without haste
A
  1. Face the ladder and use both hands to grip the rungs of side rails firmly
  2. Wear shoes with heels
  3. Place feet firmly on each rung before transferring the full weight of your body to each foot
  4. Never jump from the ladder
  5. Climb deliberately, but without haste
45
Q

Which common dangerous gases may be encountered by operators of water supply systems?

  1. Methane
  2. Carbon monoxide
  3. Gasoline vapor
  4. Hydrogen sulfide
  5. Chlorine
A
  1. Methane
  2. Carbon dioxide
  3. Gasoline vapor
  4. Hydrogen sulfide
  5. Chlorine
46
Q

What are the causes of accidents?

  1. Compliance with regulation
  2. Hazardous conditions
  3. Safety programs
  4. Operator negligence and carelessness
  5. Unsafe acts of operators
A
  1. Hazardous conditions
  2. Operator negligence and carelessness
  3. Unsafe acts of operators
47
Q

Which safety procedures must be followed before anyone enters a tank?

  1. All persons entering the tank must wear safety harnesses
  2. Ensure the tank is filled with water
  3. Provide adequate ventilation, especially when painting
  4. Test the atmosphere in the tank for toxic/ explosive gases and for oxygen deficiency/ enrichment
  5. 1 person must always be stationed at the tank entrance to observe the action of people in the tank
A
  1. All persons entering the tank must wear safety harnesses
  2. Provide adequate ventilation, especially when painting
  3. Test the atmosphere in the tank for toxic and explosive gases and for oxygen deficiency/enrichment
  4. One person must be stationed at the tank entrance at all times to observe the actions of people in the tank
48
Q

What purpose are boats commonly used for in operation of a water utility?

  1. Sampling
  2. Surveying
  3. Fishing
  4. Patrolling for illegal use
  5. Inspecting reservoirs
A
  1. sampling
  2. surveying
  3. inspecting reservoirs
49
Q

What are the general types of taper used in temporary traffic control (TTC) zones?

  1. Merging tapers
  2. One-lane, two-way tapers
  3. Shifting tapers
  4. Downstream tapers
  5. Shoulder tapers
A
  1. Merging tapers
  2. One-lane, two-lane tapers
  3. Shifting tapers
  4. Downstream tapers
  5. Shoulder tapers
50
Q

Which locations in a water utility require atmospheric monitoring before entering?

  1. Trenches
  2. Underground regulators vaults
  3. Solution vaults
  4. Manholes
  5. Tanks
A
  1. Trenches
  2. Underground regulator vaults
  3. Solution vaults
  4. Manholes
  5. Tanks

Drinking Water Distribution (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions