Valve and Hydrant Maintenance Practice Questions

Question 1
After securing a map, ________ each valve.
A
designate
B
paint
C
operate
D
lubricate
Question 2
Above ground reclaimed water facilities must be color-coded ________.
A
red
B
brown
C
gray
D
purple
Question 3
Meet local standards when selecting and installing the backflow device and its ________.
A
apparatuses
B
appurtenances
C
appendages
D
appliances
Question 4
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/prints
D
maps/permits
Question 5
Adjusting ACV action speed prevents ________.
A
water hammer
B
all listed
C
freezing
D
leakage
Question 6
Open or close valves slowly to prevent water ________.
A
slammer
B
surges
C
hammer
D
leaks
Question 7
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 8
Main valves are heavy and may settle if not supported on a ________ pad.
A
concrete
B
plastic
C
wooden
D
metal
Question 9
Old hydrants usually have a coefficient of roughness of________%.
A
80
B
90
C
100
D
70
Question 10
Rotating the cone valve ________ degrees from full open closes the valve.
A
60
B
30
C
90
D
45
Question 11
________ well lift stations must have ________ separate sump pump(s).
A
dry/one
B
dry/two
C
wet/one
D
wet/two
Question 12
An easy way to designate a valve is to ________ it on a distribution map.
A
number
B
locate
C
all listed
D
mark
Question 13
To protect hydrants from vehicles, set them at least ________ feet from the curb.
A
three
B
five
C
four
D
two
Question 14
Thrust blocks prevent joint separation or other damage caused by water ________.
A
surge
B
hammer
C
end thrust
D
velocity
Question 15
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 16
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
1,400 pounds
C
1,200 pounds
D
5,625 pounds
Question 16 Explanation: 
daum_equation_1403663803446
Question 17
A swing check valve is a special valve because it does not have a ________.
A
movable element
B
operator
C
connection
D
body
Question 18
The ________ valve has a body of flexible material that acts as the moveable element.
A
globe
B
gate
C
pinch
D
butterfly
Question 19
The movable element of a plug valve is ________ in shape.
A
rectangular
B
spherical
C
conical
D
cylindrical
Question 20
According to AWWA’s hydrant color code, green indicates ________ flow and ________ gpm.
A
high/> 1,500
B
class C/< 500
C
class A/1,000 – 1,500
D
class B/500 – 1,000
Question 21
Atmospheric vacuum breakers must not be subjected to continuous ________.
A
service
B
temperature
C
pressure
D
hazards
Question 22
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
1,224 gpm
C
1,415 gpm
D
1,085 gpm
Question 22 Explanation: 
daum_equation_1403664140001
Question 23
The TCEQ requires a ________ with external lever on the discharge line of a lift station pump.
A
butterfly valve
B
atmospheric vacuum breaker
C
double check valve
D
swing check valve
Question 24
The altitude valve allows water into the tank, but closes at a set ________ to prevent tank overflow.
A
velocity
B
volume
C
direction
D
pressure
Question 25
A ________ system may use a ________ grid to identify a section and then ________ the valves in each section.
A
small/number-color/letter
B
large/color/paint
C
small/color/paint
D
large/number-letter/number
Question 26
BPAT licensing must be renewed every ________ years.
A
two
B
three
C
five
D
four
Question 27
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 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
close, open, 8 - 10
C
open, close, 1/2 - 3/4
D
open, close, 1/4 - 1/2
Question 29
The most common automatic level control valve is the ________ valve.
A
globe
B
altitude
C
gate
D
float
Question 30
The ________ Manual M-14 contains a guide on selecting a backflow prevention device.
A
TCEQ
B
AWWA
C
EPA
D
OSHA
There are 30 questions to complete.
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