MAINTENANCE WORKER STUDY MATERIAL QUESTIONS AND 100%
VERIFIED ANSWERS|GRADED A+ | GUARANTEED PASS!!
How much does water weigh?
- answer-8.34 Lbs per gallon
The force of water is measured using ?
- answer-PSI Pounds per square inch
For every foot in elevation the waters force is increased by how much?
- answer-2.3 Lbs per square inch
What happens when a water valve is shut off suddenly?
- answer-The force of the water greatly increases at that location; at the valve.
What is water hammer?
- answer-The increase pressure then rebounds back through the pipe.
How do you avoid water hammer?
- 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 ?
- answer-Blow-off valve or pressure relief valve
What type of bacteria is always looked for in a water test?
- answer-Coliform
Anytime that potable and non-potable water systems are connected it is called
what?
- answer-Cross-Connection
The main line is full water and under pressure is called what?
- answer-Wet tap or hot tap.
, When spreading asphalt what is used for larger areas?
- answer-Asphalt spreaders. 8 foot. Wide tractor type vehicles.
When spreading asphalt what is used for smaller areas?
- answer-A shovel and a lute can be used.
A lute will have a long handle how long?
- answer-5 to 6 feet long.
What is a lute?
- 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?
- 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?
- answer-3/4 of an inch
What is concrete used for?
- answer-Gutter and storm drains, as well as collars around water valves, manholes
and drive approaches.
Drive approaches are usually a part of what?
- answer-A streets gutter system and due to vehicular traffic across them, they are
made stronger than the adjacent gutter.
Drive approaches are made using concrete that is how thick?
- answer-6 inches
Concrete is made up of what 3 components?
- answer-Cement, sand, aggregate rock, and water
What is the proper ratio of cement, sand and aggregate?
- answer-1 part cement
2 parts sand
3 parts aggregate
VERIFIED ANSWERS|GRADED A+ | GUARANTEED PASS!!
How much does water weigh?
- answer-8.34 Lbs per gallon
The force of water is measured using ?
- answer-PSI Pounds per square inch
For every foot in elevation the waters force is increased by how much?
- answer-2.3 Lbs per square inch
What happens when a water valve is shut off suddenly?
- answer-The force of the water greatly increases at that location; at the valve.
What is water hammer?
- answer-The increase pressure then rebounds back through the pipe.
How do you avoid water hammer?
- 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 ?
- answer-Blow-off valve or pressure relief valve
What type of bacteria is always looked for in a water test?
- answer-Coliform
Anytime that potable and non-potable water systems are connected it is called
what?
- answer-Cross-Connection
The main line is full water and under pressure is called what?
- answer-Wet tap or hot tap.
, When spreading asphalt what is used for larger areas?
- answer-Asphalt spreaders. 8 foot. Wide tractor type vehicles.
When spreading asphalt what is used for smaller areas?
- answer-A shovel and a lute can be used.
A lute will have a long handle how long?
- answer-5 to 6 feet long.
What is a lute?
- 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?
- 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?
- answer-3/4 of an inch
What is concrete used for?
- answer-Gutter and storm drains, as well as collars around water valves, manholes
and drive approaches.
Drive approaches are usually a part of what?
- answer-A streets gutter system and due to vehicular traffic across them, they are
made stronger than the adjacent gutter.
Drive approaches are made using concrete that is how thick?
- answer-6 inches
Concrete is made up of what 3 components?
- answer-Cement, sand, aggregate rock, and water
What is the proper ratio of cement, sand and aggregate?
- answer-1 part cement
2 parts sand
3 parts aggregate
