Water Supply Management
PUMPING APPARATUS DRIVER/OPERATOR
Essentials
FINAL TEST QUESTIONS AND CORRECT
DETAILED ANSWERS WITH COMPLETE
SOLUTION
1. First aid for first degree burns is to
bandage tightly
cover liberally with a salve
immerse in warm water
submerge the burned area in cold water
2. Before installing a backflow prevention assembly, what should you do?
Test the assembly
Flush the supply piping
Take the assembly apart and clean it
Close the number one shutoff
3. What is the recommended method for preserving water samples collected
for routine quality analysis?
Freezing
Refrigerating
Heating
Storing at room temperature
4. What is the purpose of the weep holes on a dry barrel hydrant?
,To indicate when a hydrant is leaking
To drain the barrel when the hydrant is open
To drain the barrel when the hydrant is closed
To relieve excess pressure due to water main pressure fluctuations
,5. When disinfecting a pipe, the chlorine solution is usually injected through a
__ at the point where the new main connects to the existing system.
corporation stop
hydrant
blowoff
air relief valve
6. Distribution system pressure should not be allowed to drop below
0 psi
5 psi
20 psi
40 psi
7. Which of the following conditions can cause a packing leak in a valve?
Loose gland nut
Excessive tightening
Damaged gasket
Deposition of foreign material
Loose bonnet nuts
8. Which of the following is the appropriate care for a spider bite?
Apply a tourniquet and cut the wound
Apply an ice pack and keep the area below the level of the heart
Administer a tetanus toxoid
Apply a cold compress and elevate the area
Remove the stinger
, 9. What affects the reduction of the peak capacity of water mains?
high pressure
looping
tuberculation
vacuum breakers
10. Fire protection engineers have established _____ as the minimum required
residual pressure when computing the available water for area flow-test
results.
80 psi (560 kPa)
10 psi (70 kPa)
20 psi (140 kPa)
40 psi (280 kPa)
11. Samples collected for BOD analysis can be preserved by:
Refrigerating between 0 and 4 degrees Celsius
Adding acid and refrigerating between 0 and 4 degrees Celsius
Freezing the sample
Adding sodium hydroxide and refrigerating between 0 and 4
degrees Celsius
12. What term is used to describe the buildup of mineral deposits that can
obstruct flow in cast iron water mains?
Corrosion
Tubercules
Sediment
Scale
PUMPING APPARATUS DRIVER/OPERATOR
Essentials
FINAL TEST QUESTIONS AND CORRECT
DETAILED ANSWERS WITH COMPLETE
SOLUTION
1. First aid for first degree burns is to
bandage tightly
cover liberally with a salve
immerse in warm water
submerge the burned area in cold water
2. Before installing a backflow prevention assembly, what should you do?
Test the assembly
Flush the supply piping
Take the assembly apart and clean it
Close the number one shutoff
3. What is the recommended method for preserving water samples collected
for routine quality analysis?
Freezing
Refrigerating
Heating
Storing at room temperature
4. What is the purpose of the weep holes on a dry barrel hydrant?
,To indicate when a hydrant is leaking
To drain the barrel when the hydrant is open
To drain the barrel when the hydrant is closed
To relieve excess pressure due to water main pressure fluctuations
,5. When disinfecting a pipe, the chlorine solution is usually injected through a
__ at the point where the new main connects to the existing system.
corporation stop
hydrant
blowoff
air relief valve
6. Distribution system pressure should not be allowed to drop below
0 psi
5 psi
20 psi
40 psi
7. Which of the following conditions can cause a packing leak in a valve?
Loose gland nut
Excessive tightening
Damaged gasket
Deposition of foreign material
Loose bonnet nuts
8. Which of the following is the appropriate care for a spider bite?
Apply a tourniquet and cut the wound
Apply an ice pack and keep the area below the level of the heart
Administer a tetanus toxoid
Apply a cold compress and elevate the area
Remove the stinger
, 9. What affects the reduction of the peak capacity of water mains?
high pressure
looping
tuberculation
vacuum breakers
10. Fire protection engineers have established _____ as the minimum required
residual pressure when computing the available water for area flow-test
results.
80 psi (560 kPa)
10 psi (70 kPa)
20 psi (140 kPa)
40 psi (280 kPa)
11. Samples collected for BOD analysis can be preserved by:
Refrigerating between 0 and 4 degrees Celsius
Adding acid and refrigerating between 0 and 4 degrees Celsius
Freezing the sample
Adding sodium hydroxide and refrigerating between 0 and 4
degrees Celsius
12. What term is used to describe the buildup of mineral deposits that can
obstruct flow in cast iron water mains?
Corrosion
Tubercules
Sediment
Scale
