Red, . Seal, . Plumbing, . Exam, . Summarize, . #4
1. The,.most,.common,.method,.of,.lining,.a,.well,.is,.to,.i Drilled,.Well
nsert,.a,.pre-
formed,.casing,.made,.of,.plastic,.or,.steel., . Which, . t
ype, . of, . well, . inserts, . the, . casing, . after,.the,.well,.has,.
been,.created?
DCVA
2. Which,.of,.the,.following,.backflow,.preventers,.wo
uld,.be,.the,.minimum,.requirement,.for,.premise,.isol
ation,.protecting,.a,.building,.that,.is,.a,.moderate,.haza
rd?
Air,.Lock
3. When,.troubleshooting,.a,.submersible,.pump,,.w
hat,.is,.the,.probable,.cause,.if,.there,.is,.a,.low,.supply,.or,.
no,.water,.when,.the,.pump,.is,.running
4. If,.you,.are,.servicing,.a,.Jet,.Pump,.that,.was,.running,. Pressure,.switch,.tubing,.is,.plugged
fine,.previously,.and,.the,.pump,.will,.not,.shut,.off,,.what,.
could,.be,.the,.problem?
5. When, . it, . is, . required, . by, . a, . plumber, . to, . check, . the Make,.sure,.the,.pump,.is,.running,.and
amperage,.draw,.from,.a,.pump,.to,.determine,.if,.the, . use,.a,.clamp-on,.ammeter,.around,.a
pump,.is,.in,.the,.acceptable,.range,.of,.the,.manufac-, . single,.conductor
ture,, . which, . of, . the, . following, . statements, . are, . true?
6. Where,.is,.the,.best,.location,.to,.install,.a,.torque,. On,.Discharge,.side,.of,.the,.pump
arrestor,.on,.a,.submersible,.pump?
Question,. 157
7. What,.code,.book,.regulates,.and,.governs,.code,.re- B.64
quirements,.for,.cross,.connection,.control?
8. Disregarding, . friction, . losses,, . what, . would, . be, . the, 274,.kpa
.minimum,.main,.pressure ,.required ,.to,.supply,.a 1,.foot,.of,.water,.column,.H2.989 ,.kPa
,. ,.
, Red, . Seal, . Plumbing, . Exam, . Summarize, . #4
kitchen,.sink,.(50kpa),.that,.is,.75,.feet,.above,.the,.wat 75,.feet,.×,.2.989,.kPa/ft,.H224.2 ,.kPa,.224
er,.main,.? +50=274,.kPa
9. What,.should,.be,.done,.to,.a,.water,.meter,.and,.its,. Disinfected,.and,.flushed
piping,.just,.prior,.to,.installation,.in,.an,.existing,.pot
able,.water,.system,.?
10. What,.is,.the,.best,.way,.to,.increase,.the,.volume,.of,. Increase,.the,.pressure
water,.flow,.through,.a,.existing,.distribution,.sys-
tem,.?
11. If,.a,.new,.water,.distribution,.system,.has,.been,.in- Flush,.the,.system,.again
stalled,.and,.cleaned,.and,.you,.notice,.that,.the,.water,.s
mells,.like,.chlorine,,.what,.should,.be,.done,.?
12. Why, . are, . centrifugal, . pump, . suction, . lines, . installed, . For,.better,.air,.elimination,.when
with,.positive,.grade,.from,.the,.well,.to,.the,.pump,.inle priming
t,.?
13. If,.the,.jet,.assembly,.in,.a,.deep,.well,.jet,.pump,.sys- Re-adjust,.the,.control,.valve
tem,.must,.be,.lowered,.,,.what,.must,.also,.be,.done,.?
14. What,.is,.the,.effect,.of,.high,.temperature,.,,.soft,.wa- The,.rate,.of,.corrosion,.is,.increased
ter,.on,.copper,.water,.lines,.?
15. To,.increase,.the,.outlet,.pressure,.from,.a,.pressure,. Turn,.the,.adjusting,.screw,.clockwise
reducing,.valve,.,,.the,.plumber,.would
16. What,.is,.the,.most,.common,.type,.of,.gauge,.used,.to,.Ditterential,.gauge
verify,.the,. operation,. of,.back-flow,. assemblies,. ?
17. If,.a,.pneumatic,.tank,.is,.undersized,.for,.a,.potable,. the,.pump,.will,.cycle,.too,.often
water,.system,.:
,. ,.
1. The,.most,.common,.method,.of,.lining,.a,.well,.is,.to,.i Drilled,.Well
nsert,.a,.pre-
formed,.casing,.made,.of,.plastic,.or,.steel., . Which, . t
ype, . of, . well, . inserts, . the, . casing, . after,.the,.well,.has,.
been,.created?
DCVA
2. Which,.of,.the,.following,.backflow,.preventers,.wo
uld,.be,.the,.minimum,.requirement,.for,.premise,.isol
ation,.protecting,.a,.building,.that,.is,.a,.moderate,.haza
rd?
Air,.Lock
3. When,.troubleshooting,.a,.submersible,.pump,,.w
hat,.is,.the,.probable,.cause,.if,.there,.is,.a,.low,.supply,.or,.
no,.water,.when,.the,.pump,.is,.running
4. If,.you,.are,.servicing,.a,.Jet,.Pump,.that,.was,.running,. Pressure,.switch,.tubing,.is,.plugged
fine,.previously,.and,.the,.pump,.will,.not,.shut,.off,,.what,.
could,.be,.the,.problem?
5. When, . it, . is, . required, . by, . a, . plumber, . to, . check, . the Make,.sure,.the,.pump,.is,.running,.and
amperage,.draw,.from,.a,.pump,.to,.determine,.if,.the, . use,.a,.clamp-on,.ammeter,.around,.a
pump,.is,.in,.the,.acceptable,.range,.of,.the,.manufac-, . single,.conductor
ture,, . which, . of, . the, . following, . statements, . are, . true?
6. Where,.is,.the,.best,.location,.to,.install,.a,.torque,. On,.Discharge,.side,.of,.the,.pump
arrestor,.on,.a,.submersible,.pump?
Question,. 157
7. What,.code,.book,.regulates,.and,.governs,.code,.re- B.64
quirements,.for,.cross,.connection,.control?
8. Disregarding, . friction, . losses,, . what, . would, . be, . the, 274,.kpa
.minimum,.main,.pressure ,.required ,.to,.supply,.a 1,.foot,.of,.water,.column,.H2.989 ,.kPa
,. ,.
, Red, . Seal, . Plumbing, . Exam, . Summarize, . #4
kitchen,.sink,.(50kpa),.that,.is,.75,.feet,.above,.the,.wat 75,.feet,.×,.2.989,.kPa/ft,.H224.2 ,.kPa,.224
er,.main,.? +50=274,.kPa
9. What,.should,.be,.done,.to,.a,.water,.meter,.and,.its,. Disinfected,.and,.flushed
piping,.just,.prior,.to,.installation,.in,.an,.existing,.pot
able,.water,.system,.?
10. What,.is,.the,.best,.way,.to,.increase,.the,.volume,.of,. Increase,.the,.pressure
water,.flow,.through,.a,.existing,.distribution,.sys-
tem,.?
11. If,.a,.new,.water,.distribution,.system,.has,.been,.in- Flush,.the,.system,.again
stalled,.and,.cleaned,.and,.you,.notice,.that,.the,.water,.s
mells,.like,.chlorine,,.what,.should,.be,.done,.?
12. Why, . are, . centrifugal, . pump, . suction, . lines, . installed, . For,.better,.air,.elimination,.when
with,.positive,.grade,.from,.the,.well,.to,.the,.pump,.inle priming
t,.?
13. If,.the,.jet,.assembly,.in,.a,.deep,.well,.jet,.pump,.sys- Re-adjust,.the,.control,.valve
tem,.must,.be,.lowered,.,,.what,.must,.also,.be,.done,.?
14. What,.is,.the,.effect,.of,.high,.temperature,.,,.soft,.wa- The,.rate,.of,.corrosion,.is,.increased
ter,.on,.copper,.water,.lines,.?
15. To,.increase,.the,.outlet,.pressure,.from,.a,.pressure,. Turn,.the,.adjusting,.screw,.clockwise
reducing,.valve,.,,.the,.plumber,.would
16. What,.is,.the,.most,.common,.type,.of,.gauge,.used,.to,.Ditterential,.gauge
verify,.the,. operation,. of,.back-flow,. assemblies,. ?
17. If,.a,.pneumatic,.tank,.is,.undersized,.for,.a,.potable,. the,.pump,.will,.cycle,.too,.often
water,.system,.:
,. ,.
