Appendix A - A.6.1.1 - RP - 5 Needle

Question 1

What does RP stand for in the context of the field test procedures?

Answer 1

Reduced Pressure Principle Assembly

RP is a critical component in various testing procedures.

Question 2

List the preliminary steps in the field test procedures.

Answer 2

• Notify
• Identify
• Inspect
• Observe

These steps are crucial for preparing for the test.

Question 3

What is the first step in the relief valve opening point test?

Answer 3

Bleed test cocks.

This is the initial step to ensure the system is prepared for testing.

Question 4

What should be installed after bleeding test cocks?

Answer 4

Install fittings.

Necessary for connecting hoses to the test cocks.

Question 5

Which hose is attached to test cock No. 2?

Answer 5

High hose.

This hose is used to measure pressure in the system.

Question 6

Which hose is attached to test cock No. 3?

Answer 6

Low hose.

This hose is used for bleeding the system.

Question 7

What should be done after opening test cock No. 3?

Answer 7

Open low bleed needle valve and leave open.

This allows for proper bleeding of the system.

Question 8

How should test cock No. 2 be opened?

Answer 8

Slowly.

This helps to avoid sudden pressure changes.

Question 9

What is the next step after opening test cock No. 2?

Answer 9

Open high bleed needle valve.

This is crucial for recording the pressure accurately.

Question 10

What should be closed after opening the high bleed needle valve?

Answer 10

No. 2 shutoff valve.

This isolates the section of the system being tested.

Question 11

What is the last action before observing the reading?

Answer 11

Close high bleed needle valve, then close low bleed needle valve.

Necessary to stabilize the pressure for accurate reading.

Question 12

If the reading drops to the RV opening point, what does it indicate?

Answer 12

No. 1 check valve leaks.

Indicates a failure in the check valve’s sealing capability.

Question 13

What should be done if the RV does not open and reading is apparent across No. 1 check?

Answer 13

Go to 1j.

This indicates that further action is needed to troubleshoot the valve.

Question 14

What is the adjustment made to the high control needle valve in step 1j?

Answer 14

Open one turn.

This is part of the process to check the relief valve’s response.

Question 15

What is the maximum turn for the low control needle valve in step 1j?

Answer 15

No more than 1/4 turn.

This prevents excessive pressure drop.

Question 16

What should be done if the reading drops when adjusting the control valves?

Answer 16

Record opening point of RV when first drip is detected.

This is crucial for determining the valve’s performance.

Question 17

What action should be taken if the reading does not drop to RV opening point?

Answer 17

Close low control needle valve, go to T1.

Question 18

What is recorded if the reading drops to 0.0 and RV does not open?

Answer 18

Record as such.

Important for documenting the failure of the relief valve.

Question 19

What should be done after recording the reading in step 1k?

Answer 19

Close low control needle valve.

This finalizes the test procedure.

Question 20

What is the first step in testing the tightness of No. 2 check valve?

Answer 20

Leave No. 2 shutoff valve closed.

Question 21

What should be done after closing the No. 2 shutoff valve?

Answer 21

Open bypass control needle valve to bleed air and close bypass needle valve.

Question 22

What valve remains open during the test procedure?

Answer 22

High control needle valve.

Question 23

Where do you attach the bypass hose?

Answer 23

To No. 4 test cock.

Question 24

What is the next step after opening No. 4 test cock?

Answer 24

Open low bleed needle valve to raise reading above apparent, then close.

Question 25

What indicates that No. 2 check valve is OK?

Answer 25

If reading remains steady after opening bypass control needle valve.

Question 26

What should be done if the reading drops but stabilizes above RV opening point?

Answer 26

No. 2 check is OK. Go to 3a.

Question 27

What action should be taken if the reading drops to RV opening point?

Answer 27

Bleed low to raise reading above apparent reading, then close.

Question 28

What indicates that No. 2 check valve leaks?

Answer 28

If reading drops to RV opening point again.

Question 29

What should be done if the reading drops to 0.0 and RV does not open?

Answer 29

Bleed low, then close.

Question 30

What indicates that No. 2 check valve is OK after dropping to 0.0?

Answer 30

If reading stabilizes above 0.0 and RV does not open.

Question 31

What should be done if the reading drops to 0.0 again and RV does not open?

Answer 31

No. 2 check valve leaks.

Question 32

What is the next step if the reading increases?

Answer 32

Go to T2.

Question 33

What is the first step in Test No. 3 for checking the tightness of No. 1 check valve?

Answer 33

Open low bleed needle valve to raise reading above apparent reading ## Footnote This step ensures that the reading can be accurately recorded after adjustments are made.

Question 34

What should be done after opening the low bleed needle valve in Test No. 3?

Answer 34

Close low bleed needle valve ## Footnote Closing the valve allows the reading to settle for an accurate measurement.

Question 35

What action should be taken once the reading settles in Test No. 3?

Answer 35

Record actual reading across No. 1 check valve ## Footnote This measurement indicates the performance of the check valve.

Question 36

What is the next step after recording the reading in Test No. 3?

Answer 36

Close test cocks and open No. 2 shutoff valve ## Footnote This is necessary to remove equipment safely and complete the testing process.

Question 37

Fill in the blank: To raise the reading above apparent reading in Test No. 3, you should open the _______.

Answer 37

low bleed needle valve

Question 38

True or False: You should keep the low bleed needle valve open when recording the actual reading across No. 1 check valve.

Answer 38

False ## Footnote The low bleed needle valve must be closed to get an accurate reading.

Question 39

What is the first step in the diagnostics process?

Answer 39

Attach temporary bypass hose to test cock No. 1, and open to bleed air from hose

Question 40

What should be done after bleeding air from the hose?

Answer 40

Close test cock No. 1

Question 41

What is the next step after closing test cock No. 1?

Answer 41

Attach other end of temporary bypass hose to test cock No. 4, then open test cocks No. 1 and No. 4

Question 42

What should be done if the reading stabilizes above the RV opening point?

Answer 42

Re-open low control needle valve no more than 1/4 turn

Question 43

What action should be taken if the reading drops?

Answer 43

Record RV opening point

Question 44

What should be done after recording the RV opening point?

Answer 44

Close low control needle valve, bleed

Question 45

What is the first step in the diagnostics process?

Answer 45

Attach temporary bypass hose to test cock No. 1, and open to bleed air from hose

Question 46

What should be done after bleeding air from the hose?

Answer 46

Close test cock No. 1

Question 47

What is the next step after closing test cock No. 1?

Answer 47

Attach other end of temporary bypass hose to test cock No. 4, then open test cocks No. 1 and No. 4

Question 48

What should be done if the reading stabilizes above the RV opening point?

Answer 48

Re-open low control needle valve no more than 1/4 turn

Question 49

What action should be taken if the reading drops?

Answer 49

Record RV opening point

Question 50

What should be done after recording the RV opening point?

Answer 50

Close low control needle valve, bleed

Question 51

What is the first step in the diagnostics process?

Answer 51

Attach temporary bypass hose to test cock No. 1 and open to bleed air from hose

Question 52

What should be done after bleeding air from the hose?

Answer 52

Close test cock No. 1 and attach the other end of the temporary bypass hose to test cock No. 4, then open test cocks No. 1 and No. 4

Question 53

What action should be taken if the reading stabilizes above the RV opening point?

Answer 53

Re-open low control needle valve no more than 1/4 turn

Question 54

What should be recorded if the reading drops?

Answer 54

Record RV opening point

Question 55

What should be done after recording the RV opening point if the reading drops?

Answer 55

Close low control needle valve, bleed low and close, record No. 2 check as OK, actual reading for No. 1 check, and No. 2 shutoff valve leaks

Question 56

What does it indicate if the reading drops to 0.0 and the RV does not open?

Answer 56

Record as such

Question 57

What should be done if it is not possible to get the reading to drop?

Answer 57

The No. 2 shutoff valve must be repaired

Question 58

What action should be taken if the reading drops again after recording the RV opening point?

Answer 58

Repairs must be made

Question 59

What should be done after closing Test Cock No. 2?

Answer 59

If reading holds steady or drops, there is no backpressure; if reading increases, backpressure is present

Question 60

What should be recorded if backpressure is present when Test Cock No. 2 is opened?

Answer 60

Record No. 2 check valve as OK, apparent reading as actual reading for No. 1 check valve, and No. 2 shutoff valve as leaks with backpressure