Questão 1
Questão
What is the surface area in square feet of the top of a cylindrical tank that has a diameter of 75 feet?
Responda
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3,650 sq. ft.
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4,415 sq. ft.
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5,280 sq. ft.
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4,2650 sq. ft.
Questão 2
Questão
Find the surface area of the opening of an 8 inch pipe in square feet.
Responda
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.34 sq. ft.
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.50 sq. ft.
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.8 sq. ft.
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.76 sq. ft.
Questão 3
Questão
Find the volume of a pipe in cubic feet that is 18 inches in diameter and 225 feet long.
Responda
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397 cu. ft.
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506 cu. ft
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350 cu. ft
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2,972 cu. ft.
Questão 4
Questão
You have to paint a cylindrical water storage tank that is 150ft in diameter and 20 feet tall. You must apply two coats of paint and included the top of the tank. If each gallon of paint will cover 250 sq. feet, how many fallons will you need to paint the tank?
Responda
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27,082 gallons
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108.3 gallons
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217 gallons
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250 gallons
Questão 5
Questão
How many cubic feet of material were removed from a trench that was 3 feet wide, 54 inch deep and 750 feet long?
Responda
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5475 cubic feet
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5280 cubic feet
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10,125 cubic feet
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9850 cubic feet
Questão 6
Questão
How many cubic yards of backfill material are needed to backfill a trench 36 inches wide, 6 feet deep, and 300 feet long after a 14 inch main is laid in place?
Questão 7
Questão
What is the capacity of a tank in cubic feet and gallons, if the diameter is 150 feet and the height is 32 feet?
Responda
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565,200 cubic feet
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4,227,696 cubic feet
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3,459 cubic feet
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565, 200 cubic feet
Questão 8
Questão
How many gallons are in a basin that is 20 feet tall, 45 feet wide and 150 feet long?
Responda
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135,000 gallons
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1,009,800 gallons
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476,000 gallons
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1,129,000 gallons
Questão 9
Questão
How many Acre feet in 3,450,700 gallons
Responda
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12.4 AF
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9.75 AF
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10.59 AF
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8.4 AF
Questão 10
Questão
How many Acre Feet in 552,900 cubic feet of water?
Responda
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10 AF
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1.7 AF
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12.7 AF
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10.7 AF
Questão 11
Questão
How long would it take in hours to fill a sedimentation basin measuring 50 feet wide 250 feet in length and 15 feet deep with a pump that produces 2500 gallons per minute?
Responda
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5.61 hours
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9 hours 35 minutes
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9 hours 21 minutes
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12 hours 33 minutes
Questão 12
Questão
If a fire hydrant has a nozzle pressure of 100 psi, the head of water used to supply this is what?
Responda
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20.0 feet
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43.3 feet
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62.4 feet
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231 feet
Questão 13
Questão
How many days will five 150 pound chlorine cylinders last if 5 milligrams per liter of chlorine are applied to 2,000,000 gallons per day?
Responda
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9 days
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83.4 days
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3 days
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27 days
Questão 14
Questão
Find the water level in a 100 foot diameter tank that is 130 feet high when the pressure guage indicates 40 psi at the tank base?
Responda
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10 feet
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92 feet
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17.3 feet
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30 feet
Questão 15
Questão
How many feet of head are needed to supply 60 psi?
Responda
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190 feet
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180 feet
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138.6 feet
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196.3 feet
Questão 16
Questão
If a tank has 20 feet of water in it and sits on top of a hill that is 135 feet above the nearest customer, what would be the pressure at the customer's residents?
Responda
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67 psi
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43 psi
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55 psi
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300 psi
Questão 17
Questão
The discharge pressure out of a pump is 92 psi, what is the head pressure in feet?
Responda
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145 feet
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169 feet
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212.5 feet
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222.5 feet
Questão 18
Questão
Calculate the flow in cubic feet per second of a pipe that is 16" in diameter and flowing at a rate of 2450 gpm
Responda
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7.5 cfs
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5.45 cfs
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6.0 cfs
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5.0 cfs
Questão 19
Questão
If a 12" diameter pipe is flowing at 2.7 feet per second, what is the gallons per minute?
Responda
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951 gpm
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900 gpm
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211 gpm
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2,110 gpm
Questão 20
Questão
Calculate the flow-rate in cubic feet per second of a square channel that is 6 feet wide and 4 feet deep and flowing at a velocity of 3.5 feet per second
Questão 21
Questão
If a channel is flowing water at 5 cfs, what is the flow in gallons per minute?
Responda
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1942 gpm
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1974 gpm
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2244 gpm
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2478 gpm