Valve and Hydrant Maintenance Practice Questions

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

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