1. Well subject testing the first check valve of a double test valve assembly, water
continues to glide from the site tube. How do you proceed? - ANS-Observe reading on
gauge (first step). Open excessive aspect of bleed valve (2d step).
2. What are acceptable field check readings for a nicely running double check valve
assembly? - ANS-Check valve no 1: 1.Zero PSID and above/ test valve wide variety 2:
1.0 P ID and above
3. What are acceptable field take a look at readings for a well operating stress vacuum
breaker? - ANS-Air inlet: 1.Zero PSID and above/ test valve: 1.0 PSID and above.
4. When trying out an RP, upon remaining the wide variety 2 close off valve and the high
and occasional facet bleed valves, the gauge reading drops and differential stress
comfort valve starts offevolved to discharge. How do you continue? - ANS-Record the
number one test valve is leaking and cease the take a look at.
5. When testing and SVB, upon ultimate the #1 shut off valve the gauge reading begins to
decrease. What does this imply? - ANS-Number 2 close off valve leaks with demand.
6. Which of the subsequent are perfect discipline take a look at readings for a well running
reduced strain predominant backflow prevention meeting? - ANS-1st check valve: 5.Nine
PSID/ Relief valve: 2.9 PSID/ Second take a look at valve: tight.
7. While discipline checking out a double test valve assembly, what gauge studying might
indicate a test valve failure? - ANS-Less than 1.0 PSID
8. While subject checking out the air inlet valve of a strain vacuum breaker, the excessive
facet bleed valve is open 1/four flip within the gauge reading will not drop. What does
this suggest? - ANS-Shut off the valve #1 is leaking.
9. While discipline checking out the air inlet valve of a pressure vacuum breaker, the high
facet bleed valve is opened 1/four flip and the gauge analyzing will now not drop. How
do you continue? - ANS-Close the high aspect bleed valve, then open the no 1 check
cock.
10. While subject checking out the test valve of a strain vacuum breaker, water continues to
waft from the # 2 take a look at cock . How do you proceed ? - ANS-Open the bleed off
valve till the float slows to a moderate drip.
11. While discipline checking out the check valve of a spill resistant strain vacuum breaker,
water maintains to go with the flow from the vent valve. What does this mean? -
ANS-Number 1 close off valve is leaking.
12. While discipline testing the differential stress remedy valve of the RP, what gauge
analyzing suggests a failure? - ANS-Less than 2.0 PSID
13. While field checking out the differential pressure relief valve beginning point of an RP,
the high side control needle valve is open, and the low side manage needle valve is
open 1/four turn, however the studying at the gauge will now not lower to the relaxation
valve starting factor. What does this suggest? - ANS-Number 2 close off valve is leaking
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