Valve and Hydrant Maintenance Practice Questions

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

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