Maintenance Worker Study Material
How much does water weigh? - (correct Answer) - 8.34 Lbs per gallon
The force of water is measured using ? - (correct Answer) - PSI Pounds per square inch
For every foot in elevation the waters force is increased by how much? - (correct Answer) - 2.3 Lbs per
square inch
What happens when a water valve is shut off suddenly? - (correct Answer) - The force of the water
greatly increases at that location; at the valve.
What is water hammer? - (correct Answer) - The increase pressure then rebounds back through the pipe.
How do you avoid water hammer? - (correct Answer) - To shut the valve slowly, so the water momentum
is reduced before it comes to a stop
What type of valve is used to to reduce water water hammer ? - (correct Answer) - Blow-off valve or
pressure relief valve
What type of bacteria is always looked for in a water test? - (correct Answer) - Coliform
Anytime that potable and non-potable water systems are connected it is called what? - (correct Answer)
- Cross-Connection
The main line is full water and under pressure is called what? - (correct Answer) - Wet tap or hot tap.
When spreading asphalt what is used for larger areas? - (correct Answer) - Asphalt spreaders. 8 foot.
Wide tractor type vehicles.
When spreading asphalt what is used for smaller areas? - (correct Answer) - A shovel and a lute can be
used.
A lute will have a long handle how long? - (correct Answer) - 5 to 6 feet long.
What is a lute? - (correct Answer) - Similar to a rake that is used for leveling the asphalt over the repair
area before it is compacted
The rake end is how long? - (correct Answer) - 3 feet wide with a flat, smooth blade on the edge and very
small teeth or it can be flat on the opposite edge.
How much asphalt should be above the desire finished level? - (correct Answer) - 3/4 of an inch
What is concrete used for? - (correct Answer) - Gutter and storm drains, as well as collars around water
valves, manholes and drive approaches.
Drive approaches are usually a part of what? - (correct Answer) - A streets gutter system and due to
vehicular traffic across them, they are made stronger than the adjacent gutter.
How much does water weigh? - (correct Answer) - 8.34 Lbs per gallon
The force of water is measured using ? - (correct Answer) - PSI Pounds per square inch
For every foot in elevation the waters force is increased by how much? - (correct Answer) - 2.3 Lbs per
square inch
What happens when a water valve is shut off suddenly? - (correct Answer) - The force of the water
greatly increases at that location; at the valve.
What is water hammer? - (correct Answer) - The increase pressure then rebounds back through the pipe.
How do you avoid water hammer? - (correct Answer) - To shut the valve slowly, so the water momentum
is reduced before it comes to a stop
What type of valve is used to to reduce water water hammer ? - (correct Answer) - Blow-off valve or
pressure relief valve
What type of bacteria is always looked for in a water test? - (correct Answer) - Coliform
Anytime that potable and non-potable water systems are connected it is called what? - (correct Answer)
- Cross-Connection
The main line is full water and under pressure is called what? - (correct Answer) - Wet tap or hot tap.
When spreading asphalt what is used for larger areas? - (correct Answer) - Asphalt spreaders. 8 foot.
Wide tractor type vehicles.
When spreading asphalt what is used for smaller areas? - (correct Answer) - A shovel and a lute can be
used.
A lute will have a long handle how long? - (correct Answer) - 5 to 6 feet long.
What is a lute? - (correct Answer) - Similar to a rake that is used for leveling the asphalt over the repair
area before it is compacted
The rake end is how long? - (correct Answer) - 3 feet wide with a flat, smooth blade on the edge and very
small teeth or it can be flat on the opposite edge.
How much asphalt should be above the desire finished level? - (correct Answer) - 3/4 of an inch
What is concrete used for? - (correct Answer) - Gutter and storm drains, as well as collars around water
valves, manholes and drive approaches.
Drive approaches are usually a part of what? - (correct Answer) - A streets gutter system and due to
vehicular traffic across them, they are made stronger than the adjacent gutter.
