Valve and Hydrant Maintenance Practice Questions

Question 1
After securing a map, ________ each valve.
A
operate
B
paint
C
designate
D
lubricate
Question 2
Adjusting ACV action speed prevents ________.
A
freezing
B
water hammer
C
leakage
D
all listed
Question 3
Above ground reclaimed water facilities must be color-coded ________.
A
red
B
purple
C
gray
D
brown
Question 4
Meet local standards when selecting and installing the backflow device and its ________.
A
apparatuses
B
appurtenances
C
appliances
D
appendages
Question 5
Organizing a maintenance program starts with ________ of the distribution system or ________ of the plant or lift stations.
A
maps/prints
B
drawings/pictures
C
maps/permits
D
drawings/inspections
Question 6
The altitude valve allows water into the tank, but closes at a set ________ to prevent tank overflow.
A
direction
B
pressure
C
volume
D
velocity
Question 7
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
1,400 pounds
C
1,200 pounds
D
5,400 pounds
Question 7 Explanation: 
daum_equation_1403663803446
Question 8
The TCEQ requires a ________ with external lever on the discharge line of a lift station pump.
A
atmospheric vacuum breaker
B
butterfly valve
C
double check valve
D
swing check valve
Question 9
An easy way to designate a valve is to ________ it on a distribution map.
A
number
B
mark
C
all listed
D
locate
Question 10
________ well lift stations must have ________ separate sump pump(s).
A
wet/one
B
dry/two
C
dry/one
D
wet/two
Question 11
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 12
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 12 Explanation: 
daum_equation_1403664140001
Question 13
The ________ valve has a body of flexible material that acts as the moveable element.
A
globe
B
butterfly
C
gate
D
pinch
Question 14
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 15
After maintenance ________ the valve fully, then ________ it ________-________ turn(s) to prevent metal-to-metal contact and corrosion bonding.
A
close, open, 8 - 10
B
open, close, 1/4 - 1/2
C
close, open, 1/4 - 1/2
D
open, close, 1/2 - 3/4
Question 16
Instead of a disc or diaphragm, the movable element of a ________ valve is tapered to a fine point.
A
plug
B
gate
C
needle
D
butterfly
Question 17
Main valves are heavy and may settle if not supported on a ________ pad.
A
wooden
B
concrete
C
plastic
D
metal
Question 18
Open or close valves slowly to prevent water ________.
A
hammer
B
slammer
C
surges
D
leaks
Question 19
The most common automatic level control valve is the ________ valve.
A
globe
B
altitude
C
gate
D
float
Question 20
To protect hydrants from vehicles, set them at least ________ feet from the curb.
A
two
B
three
C
five
D
four
Question 21
Old hydrants usually have a coefficient of roughness of________%.
A
80
B
90
C
70
D
100
Question 22
Level control valves are not true ACVs because they are not ________ or hydraulically activated.
A
remote controlled
B
self-regulating
C
motor driven
D
self-servicing
Question 23
BPAT licensing must be renewed every ________ years.
A
four
B
three
C
five
D
two
Question 24
The ________ Manual M-14 contains a guide on selecting a backflow prevention device.
A
TCEQ
B
AWWA
C
EPA
D
OSHA
Question 25
A swing check valve is a special valve because it does not have a ________.
A
movable element
B
operator
C
connection
D
body
Question 26
The movable element of a plug valve is ________ in shape.
A
rectangular
B
spherical
C
cylindrical
D
conical
Question 27
According to AWWA’s hydrant color code, green indicates ________ flow and ________ gpm.
A
class B/500 – 1,000
B
class A/1,000 – 1,500
C
class C/< 500
D
high/> 1,500
Question 28
Rotating the cone valve ________ degrees from full open closes the valve.
A
30
B
90
C
60
D
45
Question 29
Atmospheric vacuum breakers must not be subjected to continuous ________.
A
temperature
B
hazards
C
pressure
D
service
Question 30
Thrust blocks prevent joint separation or other damage caused by water ________.
A
velocity
B
end thrust
C
surge
D
hammer
There are 30 questions to complete.
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