Valve and Hydrant Maintenance Practice Questions

Question 1
________ well lift stations must have ________ separate sump pump(s).
A
wet/one
B
dry/two
C
dry/one
D
wet/two
Question 2
After maintenance ________ the valve fully, then ________ it ________-________ turn(s) to prevent metal-to-metal contact and corrosion bonding.
A
open, close, 1/2 - 3/4
B
open, close, 1/4 - 1/2
C
close, open, 1/4 - 1/2
D
close, open, 8 - 10
Question 3
According to AWWA’s hydrant color code, green indicates ________ flow and ________ gpm.
A
class A/1,000 – 1,500
B
high/> 1,500
C
class B/500 – 1,000
D
class C/< 500
Question 4
A swing check valve is a special valve because it does not have a ________.
A
connection
B
movable element
C
body
D
operator
Question 5
Calculate the water hammer force on a 5-¼ inch main valve with a residual pressure of 65 psi. daum_equation_1403663709941
A
1,200 pounds
B
1,400 pounds
C
5,625 pounds
D
5,400 pounds
Question 5 Explanation: 
daum_equation_1403663803446
Question 6
Level control valves are not true ACVs because they are not ________ or hydraulically activated.
A
motor driven
B
self-servicing
C
self-regulating
D
remote controlled
Question 7
To protect hydrants from vehicles, set them at least ________ feet from the curb.
A
two
B
three
C
four
D
five
Question 8
The movable element of a plug valve is ________ in shape.
A
cylindrical
B
conical
C
rectangular
D
spherical
Question 9
Thrust blocks prevent joint separation or other damage caused by water ________.
A
surge
B
hammer
C
end thrust
D
velocity
Question 10
The most common automatic level control valve is the ________ valve.
A
altitude
B
float
C
globe
D
gate
Question 11
Atmospheric vacuum breakers must not be subjected to continuous ________.
A
service
B
hazards
C
pressure
D
temperature
Question 12
The ________ valve has a body of flexible material that acts as the moveable element.
A
butterfly
B
gate
C
globe
D
pinch
Question 13
What is the flow in gpm from a fire hydrant through the 2-½ inch nozzle, the coefficient of roughness is 80% and the pressure is 81 psi?daum_equation_1403664059719
A
1,085 gpm
B
1,415 gpm
C
1,337 gpm
D
1,224 gpm
Question 13 Explanation: 
daum_equation_1403664140001
Question 14
Above ground reclaimed water facilities must be color-coded ________.
A
purple
B
brown
C
red
D
gray
Question 15
Meet local standards when selecting and installing the backflow device and its ________.
A
appliances
B
appendages
C
appurtenances
D
apparatuses
Question 16
Main valves are heavy and may settle if not supported on a ________ pad.
A
plastic
B
wooden
C
concrete
D
metal
Question 17
A ________ system may use a ________ grid to identify a section and then ________ the valves in each section.
A
large/color/paint
B
small/color/paint
C
small/number-color/letter
D
large/number-letter/number
Question 18
Rotating the cone valve ________ degrees from full open closes the valve.
A
45
B
30
C
90
D
60
Question 19
BPAT licensing must be renewed every ________ years.
A
two
B
five
C
three
D
four
Question 20
Instead of a disc or diaphragm, the movable element of a ________ valve is tapered to a fine point.
A
plug
B
butterfly
C
needle
D
gate
Question 21
Organizing a maintenance program starts with ________ of the distribution system or ________ of the plant or lift stations.
A
drawings/pictures
B
maps/prints
C
maps/permits
D
drawings/inspections
Question 22
The TCEQ requires a ________ with external lever on the discharge line of a lift station pump.
A
butterfly valve
B
swing check valve
C
double check valve
D
atmospheric vacuum breaker
Question 23
After securing a map, ________ each valve.
A
lubricate
B
paint
C
operate
D
designate
Question 24
Old hydrants usually have a coefficient of roughness of________%.
A
90
B
80
C
70
D
100
Question 25
The altitude valve allows water into the tank, but closes at a set ________ to prevent tank overflow.
A
volume
B
velocity
C
pressure
D
direction
Question 26
Open or close valves slowly to prevent water ________.
A
hammer
B
leaks
C
slammer
D
surges
Question 27
Pressure system isolation valves can be separated by no more than ________ feet along the main.
A
2,500
B
250
C
25
D
none listed
Question 28
An easy way to designate a valve is to ________ it on a distribution map.
A
all listed
B
mark
C
number
D
locate
Question 29
Adjusting ACV action speed prevents ________.
A
water hammer
B
freezing
C
all listed
D
leakage
Question 30
The ________ Manual M-14 contains a guide on selecting a backflow prevention device.
A
EPA
B
TCEQ
C
OSHA
D
AWWA
There are 30 questions to complete.
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