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Catapult Flashcards

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0
Q

WHAT IS THE CYLINDER BORE DIAMETER FOR C-13-2 CATAPULTS?

A

21 INCHES

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1
Q

HOW MANY MAJOR SYSTEMS ARE THERE ON C-13 CATAPULTS?

A

7

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2
Q

WATER BRAKE PUMPS ARE CAPABLE OF PUMPING HOW MANY GALLONS PER MINUTE?

A

650

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3
Q

WHAT IS THE DRUM DIAMETER FOR THE RETRACTION ENGINE?

A

16 INCHES

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4
Q

RETRACTION ENGINE MOTOR SPEED IS?

A

600 RPM

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5
Q

WHAT COMPONENTS RAISE AND RESEAT SEALING STRIPS?

A

CONNECTORS RAISE SEALING STRIPS AND STRIP GUIDES RESEATS IT

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6
Q

WHAT COMPONENT ANCHORS AND ABSORBS REACTION FORCES WHEN CATAPULT IS
FIRED?

A

THRUST UNIT

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7
Q

WHAT COMPONEMT ACTS AS A CHASSIS FOR THE PISTON ASSEMBLY?

A

THE BARREL

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8
Q

WHAT COMPONENT CARRIES FORWARD MOTION OF PISTONS TO THE AIRCRAFT BY
MEANS OF BRIDLE OR PENDANT?

A

SHUTTLE ASSEMBLY

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9
Q

WHEN DOES THE SHUTTLE ASSEMBLY BECOMES A 800-1200 SHOT SHUTTLE?

A

WHEN (3 ) OR MORE DOGS EXCEED 1.885 INCHES THE SHUTTLE MUST BE
INSPECTED EVERY 800-1200 SHOTS AND MUST BE REPLACED WHEN ANY(1) DOG
MEASURES 1.905 INCHES.

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10
Q

NAME THE VARIOUS WATER BRAKES RINGS?

A
  • STRIKER RING: PROTECTS OTHER RINGS FROM. Helps create metal to metal contact.
    • JET RING : HOLDS ANNULAS RING IN PLACE and prevents rotation.
    • ANNULAS RING (CREATES VORTEXu) ALSO HAS A O-RING THAT MUST BE INSTALLED. Has 20 1/4 inch holes drilled into the annulus ring at 45 degree angle
    • CHOKE RING (WORKS IN CONJUNC. WITH TAPERED SPEAR) Diminishes the orifice.
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11
Q

Chock

A

Takes the impact

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12
Q

Vane

A

Breaks the vortex

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13
Q

Vent plug

A

Helps water escape, preventing vacuum buildup inside.

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14
Q

Water brake elbow pressure

A

58 - 65 psi

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15
Q

Steam piston

A

Located aft end, made of forge aluminum; allows steam pressure to drive the piston assembly Foward

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16
Q

WHAT ARE THE TWO KINDS OF POWER PLANT PUMPS?

A

a) VICKERS

b) REXROTH

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17
Q

WHAT IS THE MAXIMUM CAPACITY OF THE GRAVITY TANK?

A

1144 Gallons

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18
Q

WHAT IS THE OPERATING LEVEL OF GRAVITY TANK FLUID?

A

600-800 GALLONS

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19
Q

WHAT IS THE OPERATING TEMP RANGE OF HYDRAULIC FLUID?

A

105 + OR - 20

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20
Q

WHAT IS THE MAXIMUM HYD FLUID TEMP?

A

140 degrees

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21
Q

WHAT IS THE FLUID CAPACITY OF THE AUXILIARY TANK?

A

90 GALLONS

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22
Q

WHAT IS THE PURPOSE OF THE CIRCULATING PUMP?

A

USED TO TRANSFER VENTED FLUID FROM AUXILIARY TANK TO THE GRAVITY TANK.

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23
Q

WHAT IS THE PURPOSE OF THE BOOSTER PUMP?

A

AIDS THE MAIN HYDRAULIC PUMPS IN DRAWING FLUID FROM GRAVITY TANK AND PREVENTS MAIN PUMPS CAVITATION.

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24
HOW MANY FILTER ELEMENTS ARE IN THE BOOSTER PUMP FILTER?
TOTAL OF 57(3 STACKS OF 19)
25
WHAT IS THE CIRCULATING PUMP RELIEF VALVE SET AT?
50 + OR - 5 PSI
26
WHAT IS THE PURPOSE OF THE MAIN HYDRAULIC PUMP?
TO SUPPLY THE MAIN HYDRAULIC ACCUMULATOR AND THE CATAPULT SYSTEM WITH HYDRAULIC FLUID.
27
WHAT IS THE PURPOSE OF THE DELIVERY CONTROL UNIT(DCU)?
TO CONTROL AND DIRECT THE FLOW OF HYDRAULIC FLUID TO THE HYDRAULIC SYSTEM OR TO THE GRAVITY TANK.
28
HOW MANY PISTONS MAKE UP THE MAIN HYDRAULIC PUMP?
9 PISTONS
29
HOW MANY FILTER ELEMENTS ARE IN THE BOOSTER PUMP FILTER?
TOTAL OF 57(3 STACKS OF 19)
30
WHAT IS THE CIRCULATING PUMP RELIEF VALVE SET AT?
50 + OR - 5 PSI
31
15. WHAT IS THE PURPOSE OF THE MAIN HYDRAULIC PUMP?
TO SUPPLY THE MAIN HYDRAULIC ACCUMULATOR AND THE CATAPULT SYSTEM WITH HYDRAULIC FLUID.
32
WHAT IS THE MAIN HYDRAULIC PUMP OUTPUT?
59 GAL MIN 73 GAL MAX
33
WHAT IS THE OFFSET ANGLE OF THE MAIN HYDRAULIC PUMP?
25 DEGREES OFFSET
34
WHAT PROVIDES THE INLET PORT FROM THE GRAVITY TANK AND THE OUTLET PORT TO THE DCU?
VALVE BLOCK
35
21. THE DCU BALANCE PISTON IS BORED INTERNALLY TO ALLOW THE SEATING OF WHAT?
200 LB SPRING
36
22. THE TWO SOLENOIDS ATTACHED TO THE DCU ARE BOTH WIRED UP? TRUE OR FALSE.
FALSE ONE IS WIRED TO FUNCTION THE OTHER IS A SPARE
37
WHAT IS THE FUNCTION OF THE HEAD ORIFICE IN THE DCU RELIEF VALVE?
IT REDUCES THE VOLUME OF FLUID ENTERING THE RELIEF VALVE FROM THE DCU, BALANCE CHAMBER AND PREVENTS DAMAGE TO THE RELIEF VALVE.
38
WHAT IS THE MAIN HYDRAULIC PUMP RELIEF VALVE SET AT?
3100 + OR - 50 PSI
39
WHAT IS THE PURPOSE OF THE ONE WAY CHECK VALVE IN MAIN HYDRAULIC PUMP PIPING?
PREVENTS ACCUMULATOR PRESSURE FROM DAMAGING THE DELIVERY CONTROL UNIT BY STOPPING BACK FLOW WHEN THE PUMPS ARE OFF STROKE.
40
WHAT COMPONENT MAINTAINS CONSTANT SUPPLY OF PRESSURIZED HYDRAULIC FLUID FOR THE CATAPULT?
MAIN HYDRAULIC ACCUMULATOR
41
WITH THE MAIN HYDRAULIC ACCUMULATOR PISTON INSTALLED WHAT IS THE TOTAL CUBIC FEET OF ACCUMULATOR.
6 CUBIC FEET/HOLDS APPROXIMATELY 45 GALLONS OF FLUID
42
WHAT IS THE MAIN HYDRAULIC ACCUMULATOR PRESSURE MAINTAINED AT?
2500 +/- 50 PSI
43
WHAT IS THE LOW AND HIGH LIMIT OF MAIN HYDRAULIC ACCUMULATOR PRESSURE?
a) 2425 LOW | b) 2575 HIGH
44
WHAT IS THE PURPOSE OF THE ONE WAY CHECK VALVE IN THE MAIN HYDRAULIC PISTON?
ALLOWS HYDRAULIC FLUID TO SEEP TO THE SIDE OF THE PISTON FROM THE HYDRAULIC SIDE OF THE ACCUMULATOR TO ACT AS A LUBRICANT FOR THE PACKING.
45
WHERE IS THE STROKE CONTROL ACTUATOR ASSEMBLY LOCATED?
BOTTOM OF ACCUMULATOR(AIR SIDE)
46
WHERE IS THE VOLUME NORMAL ACTUATOR ASSEMBLY LOCATED?
TOP OF ACCUMULATOR(HYDRAULIC SIDE)
47
HOW MUCH AIR IS STORED IN AIR FLASK?
70 CUBIC FEET AT A PRESSURE OF 2500 PSI
48
WHAT IS THE PURPOSE OF TWO RELIEF VALVE ON EACH SIDE OF THE AIR FLASK ISOLATION VALVE?
WILL PREVENT DAMAGE TO BOTH ACCUMULATOR AND AIR FLASK DURING TIMES THAT THE VALVE IS CLOSED.
49
WHAT WILL THE RELIEF VALVE FOR ACCUMULATOR AND AIR FLASK RELIEVE AT?
3000 + 300 - 0
50
WHAT IS THE PURPOSE OF THE ROTO LAUNCH VALVE?
ALLOW A PRE-DETERMINED AMOUNT OF STEAM INTO POWER CYLINDER WHEN FIRING THE CATAPULT AND ALSO STOPS THE FLOW OF STEAM INTO THE POWER CYLINDERS WHEN THE LAUNCH IS COMPLETE.
51
WHAT VALVE DIRECTLY CONTROLS THE LAUNCH VALVE CONTROL VALVE?
LAUNCH VALVE HYDRAULIC LAUNCH VALVE
52
WHEN WILL THE LAUNCH PILOT LATCH (LPL) ENERGIZE?
FINAL READY
53
WHAT VALVE DIRECTLY CONTROLS THE OPENING AND CLOSING OF THE LAUNCH VALVE?
LAUNCH VALVE CONTROL VALVE
54
WHAT IS THE PURPOSE OF THE TAPER SHOULDER ON THE TAILROD?
WORKS IN CONJUNCTION WITH THE PACKING GLAND TO PREVENT THE VALVE POSITION FROM SLAMMING DURING OPENING AND CLOSING STROKE
55
WHAT IS HYDRAULICALLY LOCATED BETWEEN THE LAUNCH VALVE HYDRAULIC LOCK VALVE AND THE LAUNCH VALVE CONTROL VALVE?
EMERGENCY CUTOUT VALVE
56
WHAT ARE THE THREE SECTIONS OF A ROTARY LAUNCH VALVE?
STEAM SECTION, OPERATING CONTROL ASSEMBLY, HYDRAULIC OPERATING CYLINDER SECTION
57
WHAT IS FULL CROSSHEAD TRAVEL ON ROTARY LAUNCH VALVE?
15 INCHES FULLY OPEN
58
WHAT ALLOWS ADJUSTMENT OF THE STEAM PLUGS TO ENSURE PROPER SEATING OF THE PLUGS?
ADJUSTING NUT
59
WHAT IS HOLLOW TO ALLOW PASSAGE OF THE METERING ROD?
PISTON ROD
60
WHAT IS COUNTERBORED TO ACCEPT THE ORIFICE SNUBBER?
HYDRAULIC PISTON
61
WHAT IS THE PURPOSE OF THE ORIFICE SNUBBER?
PREVENTS DESTRUCTIVE IMPACT DURING THE OPENING STROKE
62
WHAT TYPE OF METERING ROD IS INSTALLED IN PISTON ROD?
TWO STAGE
63
HOW MUCH PRESSURE DOES IT TAKE TO ACTUATE THE START TIMER PRESSURE SWITCH?
700-750 PSI
64
WHEN WILL CLOCKS 1 AND 2 ENERGIZE?
PRESSURE SWITCH CLOSES
65
CLOCK #1 WILL STOP WHEN?
3 1/2 INCHES OF CROSSHEAD TRAVEL
66
CLOCK #2 WILL STOP WHEN?
9 INCHES OF CROSSHEAD TRAVEL
67
WHAT DOES THE OUTER DIAL ON CLOCK TIMERS MEASURE?
HUNDREDTH OF A SECOND
68
WHAT DOES THE INNER DIAL ON CLOCK TIMES MEASURE?
SECONDS
69
WHAT COMPONENT DETERMINES THE OPENING RATE OF THE LAUNCH VALVES?
CAPACITY SELECTOR VALVE (CSV)
70
THE CSV IS HYDRAULICALLY LOCATED BETWEEN WHAT TWO COMPONENTS?
HYDRAULIC RETURN LINE FROM THE LAUNCH VALVE HYDRAULIC CYLINDER CLOSING CHAMBER AND LAUNCH VALVE CONTROL VALVE.
71
WHAT TRANSMITS MOTION OF THE MOTOR AND GEAR BOX ASSEMBLY TO MOVEMENT OF THE SPINDLE?
STEM
72
WHAT WORKS IN CONJUNCTION WITH THE SEAT ORIFICE TO METER THE FLOW OF FLUID THROUGH THE VALVE BODY?
SPINDLE ASSEMBLY
73
WHAT PREVENTS ROTATION OF SPINDLE DURING VALVE MOVEMENT?
SPINDLE LOCK
74
WHAT SWITCH PROTECTS MOTOR AND VALVE FROM DAMAGE WHEN THERE IS AN OBSTRUCTION WITHIN VALVE BODY?
TORQUE LIMIT SWITCH
75
WHAT SWITCH WILL AUTOMATICALLY STOP THE MOTOR AT MAX SETTING 320 AND MINIMUM SETTING 020?
GEARED LIMIT SWITCH
76
WHAT IS MAXIMUM DIFFERENCE ALLOWED ON COUNTER?
+/- 1
77
WHAT ARE THE FOUR MODES OF OPERATION?
AUTO(WHITE LIGHT) JOG (GREEN LIGHT) HANDWHEEL(AMBER) DEFEAT INTERLOCK (RED)
78
THE LIMIT ALARM RELAY IS PART OF WHAT CIRCUIT?
FINAL READY CIRCUIT
79
WHAT PREVENTS THE CAPACITY SELECTOR VALVE MOTOR FROM DRIFTING PAST THE COMMAND SETTING?
POSITIVE BREAKING SYSTEM
80
DEFECT INTERLOCK BYPASSES WHEN SAFETY FEATURE?
LIMIT ALARM RELAY
81
WHO IS THE ONLY PERSON TO AUTHORIZE THE OPERATION OF DEFEAT INTERLOCK?
COMMANDING OFFICER
82
WHAT IS THE PURPOSE OF THE STEAM PRESSURE SWITCHES?
PROVIDES LAUNCH COMPLETE

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