Page 1 of 142
HAWAII BACKFLOW PREVENTION PRACTICE
TESTER EXAM | {LATEST 2026/ 2027 UPDATE}
COMPLETE ACTUAL AND AUTHENTIC EXAM |
BRAND NEW!
An air-gap separation is mandatory between the potable supply and
a(n) _____?
A. Bakery dough mixer
B. Isolation assembly
C. Pressure washer
D. Sanitary sewer
E. Water meter
Sanitary sewer
If pressure vacuum breaker air-inlet valve does not open and the
gauge indicator does not drop, a reason may be _____?
A. A leaking shut-off valve 2 with a parallel installation
B. A tightly closing shut-off valve number 1
C. The check valve is failed
D. The high-pressure bleed valve is open
,Page 2 of 142
E. The test cock is open
A leaking shut-off valve 2 with a parallel installation
Toxins may enter a water supply pipe air-gap separation through the
____?
A. Atmosphere
B. Control valve
C. Pressure tank
D. Receiving vessel
E. Sanitary sewer
Atmosphere
A properly installed barometric loop will prevent _____?
A. Backpressure
B. Backsiphonage
C. Freezing
D. Leakage
E. Surges
Backsiphonage
,Page 3 of 142
A swing connection is a type of _____?
A. Backflow preventer
B. Cross-connection
C. Detector assembly
D. Gauge component
E. Shut-off valve repair tool
Cross-connection
A barometric loop must be installed 35 ft (10.7 m) above the highest
____?
A. Boiler
B. Fixture outlet
C. Gate valve
D. Service connection
E. Water meter
Fixture outlet
, Page 4 of 142
A spool is used to connect a ____?
A. Copper and ductile iron pipe
B. Copper and PVC pipe
C. Disc retainer and valve guide
D. Potable and non-potable system
E. Test cock
Potable and non-potable system
A fire sprinkler system's backflow protection for a black-iron pipe
system is typically ____?
A. An air-gap separation
B. A double check valve assembly
C. A reduced pressure principle assembly
D. A reduced pressure detector assembly
E. No protection required
A double check valve assembly
The dual check with an intermediate vent is used primarily for ____?
A. Commercial boilers
HAWAII BACKFLOW PREVENTION PRACTICE
TESTER EXAM | {LATEST 2026/ 2027 UPDATE}
COMPLETE ACTUAL AND AUTHENTIC EXAM |
BRAND NEW!
An air-gap separation is mandatory between the potable supply and
a(n) _____?
A. Bakery dough mixer
B. Isolation assembly
C. Pressure washer
D. Sanitary sewer
E. Water meter
Sanitary sewer
If pressure vacuum breaker air-inlet valve does not open and the
gauge indicator does not drop, a reason may be _____?
A. A leaking shut-off valve 2 with a parallel installation
B. A tightly closing shut-off valve number 1
C. The check valve is failed
D. The high-pressure bleed valve is open
,Page 2 of 142
E. The test cock is open
A leaking shut-off valve 2 with a parallel installation
Toxins may enter a water supply pipe air-gap separation through the
____?
A. Atmosphere
B. Control valve
C. Pressure tank
D. Receiving vessel
E. Sanitary sewer
Atmosphere
A properly installed barometric loop will prevent _____?
A. Backpressure
B. Backsiphonage
C. Freezing
D. Leakage
E. Surges
Backsiphonage
,Page 3 of 142
A swing connection is a type of _____?
A. Backflow preventer
B. Cross-connection
C. Detector assembly
D. Gauge component
E. Shut-off valve repair tool
Cross-connection
A barometric loop must be installed 35 ft (10.7 m) above the highest
____?
A. Boiler
B. Fixture outlet
C. Gate valve
D. Service connection
E. Water meter
Fixture outlet
, Page 4 of 142
A spool is used to connect a ____?
A. Copper and ductile iron pipe
B. Copper and PVC pipe
C. Disc retainer and valve guide
D. Potable and non-potable system
E. Test cock
Potable and non-potable system
A fire sprinkler system's backflow protection for a black-iron pipe
system is typically ____?
A. An air-gap separation
B. A double check valve assembly
C. A reduced pressure principle assembly
D. A reduced pressure detector assembly
E. No protection required
A double check valve assembly
The dual check with an intermediate vent is used primarily for ____?
A. Commercial boilers
