Valve and Hydrant Maintenance Practice Questions

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

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