Rigging Flashcards

1
Q

WHAT IS STANDING RIGGING?

A

STAYS AND SHROUDS (LINES WHICH SUPPORT BUT DO NOT MOVE).

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2
Q

WHAT IS RUNNING RIGGING?

A

THOSE GOING THROUGH BLOCKS (SUCH AS LIFTS, WHIPS AND VANGS).

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3
Q

WHAT STANDING RIGGING GOES FORE AND AFT?

A

STAYS

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4
Q

WHAT ARE THE THREE TYPES OF CARGO BOOM BLOCKS?

A

DIAMOND, OVAL, AND ROLLER BEARING.

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5
Q

DO DIAMOND BLOCKS HAVE GREASE FITTINGS?

A

YES

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6
Q

WHAT ARE FIBER ROPE BLOCKS LUBRICATED WITH?

A

HARD GRAPHITE GREASE.

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7
Q

HOW ARE DIAMOND AND OVAL BLOCKS NORMALLY USED?

A

AS TOPPING LIFTS OF CARGO BOOMS.

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8
Q

WHAT TYPE OF BLOCKS ARE HEAD, HEEL, AND FAIRLEAD BLOCKS?

A

ROLLER BEARING.

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9
Q

WHAT IS CAST ON THE SHELL OF A ROLLER BLOCK?

A

WORKING LOAD, PROOF TEST AND SIZE OF ROPE.

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10
Q

WHEN ARE ROLLER BEARING BLOCKS USED?

A

WHEN HIGH SPEED OPERATION IS NEEDED.

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11
Q

HOW IS A CARGO BLOCK NAMED, REGARDLESS OF TYPE?

A

BY ITS LOCATION ON A CARGO RIG.

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12
Q

WHAT IS THE BLOCK AT THE HEAD OF A BOOM, THROUGH WHICH THE WHIP RUNS, CALLED?

A

HEAD BLOCK.

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13
Q

WHAT IS THE BLOCK AT THE FOOT, WHICH FAIRLEADS THE WIRE TO THE WINCH, CALLED?

A

HEEL BLOCK.

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14
Q

WHAT BLOCK IS IN THE MIDDLE OF A BOOM?

A

THE SLACK WIRE BLOCK.

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15
Q

WHAT IS A BLOCK THAT IS WELDED OR BOLTED BY ONE CHEEK TO A BULKHEAD OR DAVIT. FOR FAIRLEAD, CALLED?

A

CHEEK BLOCK.

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16
Q

WHAT IS THE ADVANTAGE OF A SNATCH BLOCK?

A

IT CAN BE OPENED TO PUT LINE IN.

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17
Q

WHAT ARE TAIL BLOCKS?

A

SINGLE BLOCKS USED ALONE WITH A WHIP, OR AS A RUNNER.

18
Q

WHAT ARE FIVE THINGS THAT MUST BE KNOWN TO CORRECTLY ORDER A BLOCK?

A

WHETHER WOOD OR METAL; SIZE; RIG NUMBER: WITH OR WITHOUT BECKET; AND THE NUMBER OF SHEAVES.

19
Q

WHAT IS THE RIG?

A

THE HOOK, SHACKLE, OR SWIVEL FITTED TO THE END OF A BLOCK.

20
Q

HOW ARE RIGS IDENTIFIED?

A

BY NUMBER.

21
Q

WHEN ARE BLOCKS INVENTORIED?

A

QUARTERLY.

22
Q

HOW IS A TACKLE DESIGNATED?

A

BY THE NUMBER OF SHEAVES IN THE BLOCKS OR THE PURPOSE OF USE.

23
Q

WHAT IS A SINGLE WHIP?

A

ONE SINGLE BLOCK UP.

24
Q

WHAT IS A RUNNER?

A

ONE SINGLE BLOCK DOWN.

25
Q

WHAT IS A GUN TACKLE?

A

A SINGLE BLOCK OVER A SINGLE BLOCK.

26
Q

WHAT IS A LUFF TACKLE (JIGGER)?

A

A DOUBLE OVER A SINGLE.

27
Q

WHAT IS A TWOFOLD PURCHASE?

A

A DOUBLE OVER A DOUBLE.

28
Q

WHAT IS A DOUBLE LUFF?

A

A TREBLE OVER A DOUBLE.

29
Q

WHAT IS A THREEFOLD PURCHASE?

A

A TREBLE OVER A TREBLE.

30
Q

WHAT TYPE OF REEVING METHOD IS USED FOR A DOUBLE LUFF?

A

RIGHT ANGLE METHOD.

31
Q

HOW SHOULD TOPPING LIFTS BE ROVE?

A

PARALLEL.

32
Q

HOW CAN YOU DETERMINE THE MECHANICAL ADVANTAGE OF A TACKLE?

A

COUNT THE NUMBER OF FALLS AT THE MOVABLE BLOCK.

33
Q

WHAT IS THE MECHANICAL ADVANTAGE OF A TACKLE?

A

THE RATIO BETWEEN THE LOAD AND THE POWER REQUIRED TO LIFT THE LOAD.

34
Q

HOW MUCH FRICTION IS ALLOWED FOR EACH SHEAVE?

A

10%

35
Q

WHAT IS INSTALLED AT THE BOTTOM OF STAYS AND SHROUDS TO ALLOW FOR ADJUSTMENT?

A

TURNBUCKLES.

36
Q

WHAT IS ATTACHED TO TURNBUCKLES TO KEEP THE FROM LOOSENING DUE TO VIBRATION?

A

KEEPERS.

37
Q

WHAT ARE STAYS AND SHROUDS FITTED WITH IF THEY HAVE TO BE LOWERED OFTEN?

A

PELICAN HOOKS.

38
Q

WHY ARE BONDING STRAPS REQUIRED ON STAYS AND SHROUDS?

A

TO GROUND THEM.

39
Q

HOW TIGHT SHOULD TURNBUCKLES BE?

A

HANDTIGHT, THEN 1 INCH FOR EACH 60 FEET OF STAY LENGTH.

40
Q

WHERE DO YOU MEASURE TURNBUCKLE?

A

ITS THREAD.

41
Q

WHERE DO YOU MEASURE A HOOK?

A

ON THE BACK (BY CURVE).