Valve and Hydrant Maintenance Practice Questions

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