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97 Cards in this Set
- Front
- Back
What positions are on the pump control switch? |
Hand/off/auto |
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The pressure/flow recorder indicates which of the following? |
System pressure and issue/return flows |
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Most emergency service calls involve |
No fuel delivery |
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How many hydrant outlets are served by each panero pit? |
1 |
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When operating normally what part on the 302 AF fueling/ defueling valve restricts the flow of fuel in the control tubing and will not close? |
Pressure- reducing control |
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A damaged diaphragm on the pressure reducing control is indicated by |
A fuel leakage from the vent port |
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What component closes the main valve of the 302AF fueling/defueling valve when there is excess flow at hydrant outlet? |
CDHS-3 |
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The primary purpose of the orifice plate on the 302AF fueling and defueling valve is to create differential |
Pressure to operate the CDHS-3 |
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During refueling, which 302 AF fueling and defueling valve component holds the defuel side of the main valve inlet closed? |
Solenoid |
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The first adjustment you make, when setting the pressure on the 302AF fueling and defueling valve, is establishing a pressure gauge reading of 10 psi above the desired delivery pressure. You do this by turning the adjusting screw on the |
Pressure- reducing control (CRD) clockwise |
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What delivery pressure causes the fueling side, of the 302 AF fueling and defueling valve, to close when turning the adjusting screw on the loading pressure relief control counterclockwise? |
5 psi above normal operating pressure. |
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Approximately how long do you want it to take the fueling valve to open when you adjust the CV flow control on the 302 AF fueling and defueling valve? |
20 seconds |
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What components are energized when you place a magnet on the refueling contact points at the hydrant in the modified Panero system? |
The deep-well turbine pump and 302AF electrical solenoid |
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To remedy a leakage on the philadelphia hydrant adapter, which one of the following would you usually replace? |
The flange gasket |
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How many manual valves are found in the lateral control pit of the Pritchard system? |
3 |
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When you place a magnet on the refuel magnetic control switch, during refueling, the solenoids on the |
Defueling control valve and the defuel pump are energized |
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What lateral control pit component automatically cuts off the defuel pump when a predetermined amount of inches of mercury is reached? |
Vacuum control switch |
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When the cover chamber pressure of the 90AF-8 refueling control valve is at least as great as the inlet pressure, the valve will |
Close tightly |
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If the cover chamber pressure on a 90AF-8 refueling control valve stays between the inlet and outlet pressure, the valve |
Closes fully |
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What happens to auxiliary hytrols A and B, on the 90 AF-8 refueling control valve, when excess flow trips the CDHS-3 pressure differential control? |
A opens and B closes |
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The pressure relief control, on the 90AF-8 Is set to |
5 pounds per square inch(psi) higher than normal operating pressure |
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What pressure rate must you establish before setting the pressure relief control on the 90AF-8 refueling control valve? |
5 psi above normal downstream pressure |
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Which statement best describes what is removed from the strainer orifice used on the 50AF-2 Pressure relief valve? |
Only the primary jet |
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How often should you check the 50AF-2 pressure relief valve to it is opening relieving pressure relief valve? |
Semi annually |
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The standard pressure setting, on the 502AF-2 pressure valve's pressure relief control (CRL), is based on the 90AF-8 refueling valves pressure of |
10 psi above its normal inlet pressure |
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The components of the 134AF defueling control valve include: a valve position indicator, solenoid |
Flow clean strainer and ejector |
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How often is the 134AF defueling control valve operationally inspected? |
Quarterly |
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What condition exists when fuel leaks past the 134AF main valve disc and seat? |
The defuel pump rotates slowly during refueling |
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Which component on the 41AF rate of flow control valve causes the main valve to throttle? |
Differential control |
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To adjust the flow rate of the differential control on the 41AF rate of flow control valve, you must turn the adjusting screws |
Counterclockwise for minimum spring tension |
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What is the probable cause when the 41AF-10 main valve opens during refueling? |
Leakage through normally closed solenoid valve |
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When defueling stops, the 352AF hydrant adapter controls it's own fuel level in order to |
Keep moisture out of the system |
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At what maximum differential pressure, in pounds per square inch (psi) does the 352AF hydrant adapter's automatic bypass valve open? |
35 |
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After activating an emergency stop switch at the Type II hydrant outlet, you reset the system to refuel by |
Manually resetting the controls in the pumphouse control room |
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What type of ground rods are hydrant outlets grounded to in the piping system of the Type II Hydrant System? |
Galvanized/stainless steel |
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What are the low and high settings (pounds per square inch {psi}), respectively, for the pressure relief controls on the 51AF-4 valve? |
5 psi and 5 psi above CRL on the 90AF-8 |
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How often is the 41AF-10 inspected? |
Semiannually |
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The primary purpose of having 5 psi in the lateral piping on the 51AF-4 rapid defuel valve is to |
Tba |
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Before adjusting the high pressure relief control on the 51AF-4 valve, you must also adjust the pressure reducing control (CRD) on the 90AF-8 valve to |
5 psi above normal operating pressure |
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What type piping, 12 inches in diameter, is used in the hydrant loop of a type III system? |
Carbon steel, schedule 80s |
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What type steel is used in the control tubing of the Type III system? |
Seamless stainless |
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At what differential pressure must the receiving strainer in the TypeIII system be cleaned? |
10 psi |
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What is the standard American Petroleum Institute (API) rate and gallons per minute (gpm) of receiving filter separators used in the Type III system? |
1581, 600 gpm |
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The 40-28G bypass valve opens and fuel bypasses the receiving separators when fuel is received from a cross-country pipeline on the Type III system. The differential pressure causing this action occurs when |
15 psi is sensed across the receiving separator |
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Once the 40-27G filter separator valve has closed due to high differential pressure, what must be done to get the valve to operate again? |
Manually reset the CDHS-3A |
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A gallons per minute displacement meter is used in the receiving line of a Type III system. Which type does it use? |
1200 positive |
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Where is the ball float for the 413AF-5A high-level shut-off valve on an operating storage tank located? |
On the exterior side of the tank at the required shut-off height |
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The 413AF-5A high-level shut-off valve's closing feature and rotary disc assembly can be tested without filling the tank up with fuel to the high level shut-off point by |
Using a manual tester on the high-level shut-off float assembly |
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A Type III operating storage tank level indicator servo compartment must be approved for hazardous locations and listed for use in Class I |
Division I,Group D |
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When fuel reaches the high level alarm setting on a Type III operating storage tank, one warning is given by the high-level alarm window on the pump control panel (PCP). How do you see and hear the warning? |
When the PCP flashes and a vibrating horn sounds |
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When fuel reaches the high-high level alarm setting, the High-high level alarm window on the pump control panel (PCP) is activated on Type III operating storage tank. How do you see and hear the warnings? |
By a flashing PCP and resonating horn sounds |
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What size piping is used to connect the pressure reliefs and other drains to the product recovery tank in a Type III system? |
2-inch |
|
What size is the product recovery tank? |
4000 gallons |
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The switch assembly automatically energizes the fuel transfer pump, on the product recovery tank in a Type III system, when the tank is |
70 percent full |
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At what full percentage does the overkill valve close in the product recovery tank in the Type III system? |
80 |
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How is excess pressure relieved on the 2129AF overfill valve using the product recovery piping system in the Type III system? |
By opening, then and closing to bleed pressure into the overfill valve |
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What size suction header is used in the Type III system? |
16-inch |
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Defining the temperature rating for motors used with the fueling pumps in the Type III system is the responsibility of the |
National Fire Protection Agency 70 |
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One purpose of the flow switch in the Type III system is to |
Lock on the fueling pump |
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Each issue filter separator in the Type III system is rated for how many gallons per minute? |
600 |
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When the two solenoids on the 136AF-9B emergency shut-off valve are energized, what happens to the valve? |
It free floats. |
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Where is the issue venturi tube located on the Type III system? |
Downstream of the emergency shut-off valve |
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What milli ampere (mA) signal does the issue differential pressure transmitter send when 1,200 gallons per minute flows through the issue venturi in the Type III system? |
12 mA |
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What gallons per minute points must be calibrated on the return venturi's high range differential pressure transmitter? |
0,560,700 |
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The 362AF-8 hydrant control valve opens when an aircraft is refueling. It opens by using the |
Remote sensing pressure reducing control |
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At what pressure, in pounds per square inch, does the 58AF-9 back pressure control valve open to control the hydrant loop pressure? |
100 At the farthest hydrant outlet |
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At what pounds per square inch does the 58AF-3 pressure control valve close? |
75 |
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After refueling an aircraft and the lead pump deenergizes, at what pounds per square inch (psi) does the 58AF-9-1 defuel/flush valve close? |
80 |
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Solenoid "B" on the 58AF-9-1 defuel/flush valve energizes to allow the main valves to open only when the |
System is placed in the flush mode |
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What do blue lines represent on the Type III pump control panel line drawing? |
Pump discharge |
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How long will the back-up battery maintain the Type III microprocessor's memory? |
30 days minimum |
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What does the first symbol in a rung of ladder logic represent? |
Contacts |
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To set up the pump control panel for fueling on the Type III system, After selecting the lead pump, you then place the system in |
Automatic, and push the system start button. |
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What happens to the lead, second, third and fourth pumps when the issue venturi senses 2,400 gpm and return venturi senses 1,000 gpm 15 seconds? |
The fourth pump is called off |
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What happens if the third pump is called on automatically in a Type III system and fails to start? |
The next pump in the predetermined sequence is called on |
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What component houses the defuel pump for the Type III system? |
The pumphouse |
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The Type III system must be flushed |
When it is not used in 30 days |
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The flush a Type III system, you must turn the selector switch on the pump control panel to |
"Flush" and all available pump switches to "hand" |
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What type piping is used on the main fuel line of a Type IV system for a 2-inch pipe? |
Epoxy- coated carbon steel, schedule 40 |
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What type piping is used downstream of the Type IV issue filter separator for a 6-inch pipe? |
Seamless stainless steel, schedule 40 |
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What type piping is used in the receiving strainer of a Type IV system? |
60 |
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What pounds per square inch back pressure does the pressure relief control maintain on the high level shut-off valve on a Type IV underground operating storage tank? |
5 |
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When does the high level light go out once the operator has acknowledged an activated alarm on a Type IV operating storage tank? |
When fuel is removed to below the high level alarm setting |
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What type fueling pumps are used in a Type IV operating storage tank? |
When fuel is removed to below the high level alarm setting |
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What type fueling pumps are used in a Type IV cut and cover tank? |
Deep well turbine pumps, 600 gallons per minute (gpm) |
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What type fuel dispensing hose is installed on a Type IV hose-end pantograph? |
3-inch, API 1529, hardwall |
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When is the solenoid on the 58AF-3 pressure control valve on the Type IV system deenergized? |
When all pumps are off |
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What valve is used as the flush valve in a Type IV system? |
136AF-5B |
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When the flush valve on a Type IV system is placed in the pantograph flush more, the solenoid is |
Energized and the main valve closes |
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During refueling, at what pressure, in pounds per square inch, does the pantograph pressure control valve relieve excess pressure? |
75 |
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What do blue lines on the Type IV pump control panel graphic display represent? |
The pump discharge and refueling loop |
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What condition would cause a resonating horn to sound on a Type IV system? |
Emergency stop |
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What switch, on the Type IV pump control panel, looks like a red mushroom? |
Emergency stop |
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In a Type IV system, pressure indicating transmitters are located on the |
Issue line downstream of the 136AF-9B |
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During an aircraft refuelling, as demand for the fuel flowing through the 362AF-7 refueling control valve decreases in a Type IV system, flow increases through the |
Return venturi |
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When a Type IV system is placed in the "loop flush" more, the solenoid on the 136AF-5B flush valve |
Energizes to open the main valve |
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When a Type IV system is placed in the 'pantograph flush' mode, the solenoid on the 136AF-5B flush valve |
Energizes to close the main valve |