Valve and Hydrant Maintenance Practice Questions

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

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