# Valve and Hydrant Maintenance Practice Questions

 Question 1
Above ground reclaimed water facilities must be color-coded ________.
 A brown B purple C red D gray
 Question 2
Thrust blocks prevent joint separation or other damage caused by water ________.
 A hammer B surge C end thrust D velocity
 Question 3
Rotating the cone valve ________ degrees from full open closes the valve.
 A 90 B 30 C 45 D 60
 Question 4
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/inspections D drawings/pictures
 Question 5
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 C/< 500 D class B/500 – 1,000
 Question 6
Instead of a disc or diaphragm, the movable element of a ________ valve is tapered to a fine point.
 A needle B plug C gate D butterfly
 Question 7
A swing check valve is a special valve because it does not have a ________.
 A operator B body C connection D movable element
 Question 8
Old hydrants usually have a coefficient of roughness of________%.
 A 90 B 70 C 80 D 100
 Question 9
To protect hydrants from vehicles, set them at least ________ feet from the curb.
 A four B three C five D two
 Question 10
A ________ system may use a ________ grid to identify a section and then ________ the valves in each section.
 A small/number-color/letter B large/number-letter/number C small/color/paint D large/color/paint
 Question 11
Open or close valves slowly to prevent water ________.
 A hammer B surges C leaks D slammer
 Question 12
The ________ valve has a body of flexible material that acts as the moveable element.
 A gate B butterfly C pinch D globe
 Question 13
Adjusting ACV action speed prevents ________.
 A leakage B freezing C water hammer D all listed
 Question 14
Meet local standards when selecting and installing the backflow device and its ________.
 A appendages B appurtenances C appliances D apparatuses
 Question 15
The movable element of a plug valve is ________ in shape.
 A spherical B rectangular C conical D cylindrical
 Question 16
Level control valves are not true ACVs because they are not ________ or hydraulically activated.
 A remote controlled B motor driven C self-servicing D self-regulating
 Question 17
After securing a map, ________ each valve.
 A designate B operate C paint D lubricate
 Question 18
BPAT licensing must be renewed every ________ years.
 A three B two C four D five
 Question 19
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 20
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 open, close, 1/2 - 3/4 C open, close, 1/4 - 1/2 D close, open, 8 - 10
 Question 21
An easy way to designate a valve is to ________ it on a distribution map.
 A locate B all listed C mark D number
 Question 22
________ well lift stations must have ________ separate sump pump(s).
 A dry/two B dry/one C wet/one D wet/two
 Question 23
The most common automatic level control valve is the ________ valve.
 A float B globe C gate D altitude
 Question 24
The ________ Manual M-14 contains a guide on selecting a backflow prevention device.
 A OSHA B EPA C TCEQ D AWWA
 Question 25
Calculate the water hammer force on a 5-¼ inch main valve with a residual pressure of 65 psi. $\fn_jvn&space;(\pi&space;r^2\times&space;psi=force)$
 A 1,200 pounds B 5,625 pounds C 5,400 pounds D 1,400 pounds
Question 25 Explanation:
$\large&space;\fn_jvn&space;3.14\times2.625\times2.625\times65=1406$
 Question 26
Atmospheric vacuum breakers must not be subjected to continuous ________.
 A pressure B hazards C service D temperature
 Question 27
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? $\large&space;\fn_jvn&space;(gpm=29.7\times&space;d^2\times&space;pressure\times&space;CR)$
 A 1,337 gpm B 1,224 gpm C 1,085 gpm D 1,415 gpm
Question 27 Explanation:
$\large&space;\fn_jvn&space;29.7\times2.5\times9\times0.80=1336.5$
 Question 28
The TCEQ requires a ________ with external lever on the discharge line of a lift station pump.
 A butterfly valve B swing check valve C double check valve D atmospheric vacuum breaker
 Question 29
Pressure system isolation valves can be separated by no more than ________ feet along the main.
 A 2,500 B 250 C none listed D 25
 Question 30
Main valves are heavy and may settle if not supported on a ________ pad.
 A metal B wooden C concrete D plastic
There are 30 questions to complete.