Wire Rope

Question 1

HOW IS RICHT LAID ROPE TRANSFERRED FROM ONE REEL TO ANOTHER？

Answer 1

FROM TOP TO TOP. LEFT TO RIGHT.

Question 2

HOW DO YOU UNCOIL WIRE ROPE?

Answer 2

ROLL IT NEVER LET THE BICHTS SLIP OVER THE ENDS OF THE REEL

Question 3

WHAT IS THE MINIMUM DIAMETER SHEAVE THAT WIRE ROPE SHOULD BE USED WITH?

Answer 3

20 TIMES THE DIAMETER OF THE ROPE.

Question 4

WHAT CAUSES WEAR ON A SHEAVE FASTER, SPEED OR LOAD?

Answer 4

SPEED.

Question 5

WHAT TYPES OF BENDS SHOULD BE AVOIDED IN WIRE ROPE?

Answer 5

REVERSE BENDS LIKE THE LETTER “S”.

Question 6

WHEN IS WIRE ROPE CONSIDERED BEYOND USE?

Answer 6

WHEN THE DIAMETER OF THE OUTER WIRES ARE REDUCED TO 1/2 THEIR ORIGINAL DIAMETER.

Question 7

WHEN IS WIRE ROPE UNSAFE?

Answer 7

If 4% OF THE TOTAL NUMBER OF WIRES ARE BROKEN WITHIN THE LENCTH OF ONE WIRE ROPE
LAY, OR IF 3 BROKEN WIRES IN ONE STRAND OF 6X7,6 BROKEN WIRES IN ONE STRAND OF 6X19，OR 9 BROKEN WIRES IN ONE STRAND OF 6X37.

Question 8

WHAT DOES 6X19 WIRE ROPE MEAN?

Answer 8

6 STRANDS WITH 19 WIRES PER STRAND.

Question 9

WHERE AND HOW MANY SEIZINGS SHOULD BE ON WIRE ROPE PRIOR TO CUTTING?

Answer 9

THREE ON EACH SIDE OF THE CUT WITH THE DISTANCE BETWEEN THEM EQUAL TO THE DIAMETER OF THE WIRE.

Question 10

WHAT ARE WIRE ROPE SEIZINGS MADE OF?

Answer 10

EIGHT TURNS OF ANNEALED IRON SEIZING WIRE.

Question 11

WHAT ARE THREE MAIN CONSTRUCTIONS OF WIRE ROPE?

Answer 11

6X7 (STANDING RIGGING), 6X19 (STRONGEST FOR SIZE AND USED FOR GUYS, SLINGS, ETC.), 6X37 (FALLS, HOISTING).

Question 12

HOW IS WIRE ROPE DIAMETER MEASURED?

Answer 12

WITH DIAL CALIPERS FROM PEAK TO PEAK.

Question 13

WHAT IS THE MOST EFFICIENT FORM OF END CONNECTION FOR WIRE ROPE?

Answer 13

POURED SOCKET.

Question 14

WHAT IS THE STRENGTH OF A POURED SOCKET?

Answer 14

100%.

Question 15

WHAT IS THE STRENGTH OF A WEDGE FITTING?

Answer 15

70%.

Question 16

WHAT ARE THE PARTS TO A WEDGE FITTING?

Answer 16

PLUG, SLEEVE AND SOCKET.

Question 17

WHAT IS THE MOST IMPORTANT FACTOR IN INSTALLING A WEDGE FITTING?

Answer 17

MAKING SURE THE PLUG IS PROPERLY SEATED.

Question 18

DOES THE WEDGE FITTING HAVE AN INSPECTION HOLE?

Answer 18

YES

Question 19

HOW MUCH WIRE ROPE STRENGTH IS RETAINED USING A SWAGED FITTING?

Answer 19

95-100%.

Question 20

WHAT CAN BE USED FOR A TEMPORARY EYE SPLICE ON WIRE ROPE?

Answer 20

WIRE ROPE CLIPS.

Question 21

WHO MANY WIRE ROPE CLIPS SHOULD BE USED FOR AN EYE SPLICE?

Answer 21

4 TIMES THE DIAMETER PLUS 1.

Question 22

WHAT PART OF A WIRE ROPE CLIP GOES OVER THE BITTER END?

Answer 22

THE U-BOLT.

Question 23

HOW FAR APART SHOULD WIRE ROPE CLIPS BE SPACED?

Answer 23

5 TIMES THE DIAMETER OF THE WIRE.

Question 24

WHAT IS THE FIBER CORE FOR?

Answer 24

LUBRICATION.

Question 25

WHAT IS PREFORMED WIRE ROPE?

Answer 25

ROPE WHOSE WIRES ARE SHAPED BEFORE LAYING UP.

Question 26

WHAT IS THE ADVANTAGE OF USING PREFORMED WIRE OVER NON-PREFORMED?

Answer 26

IT'S MORE FLEXIBLE AND TENDS NOT TO UNTWIST AS MUCH.

Question 27

WHAT IS WIRE ROPE MADE OF?

Answer 27

ANNEALED STEEL, TRACTION STEEL, OR PLOW STEEL.

Question 28

HOW MUCH WEAKER IS GALVANIZED WIRE ROPE?

Answer 28

10%

Question 29

WHAT IS GALVANIZED WIRE ROPE USED FOR?

Answer 29

STANDING RIGGING.

Question 30

WHICH WAY DOES WIRE ROPE TEND TO ROLL?

Answer 30

OPPOSITE OF ITS LAY.

Question 31

WHAT SHOULD WIRE ROPE NEVER BE STORED WITH?

Answer 31

ACID

Question 32

WHY IS WIRE ROPE LUBRICATED?

Answer 32

TO PREVENT CORROSION AND TO REDUCE WEAR.

Question 33

WHAT IS DONE PRIOR TO WIRE ROPE LUBRICATION?

Answer 33

THE ROPE IS CLEANED.

Question 34

HOW IS WIRE ROPE LUBRICANT APPLIED?

Answer 34

BY BRUSH OR TROUGH.

Question 35

WHAT TOOL CAN YOU USE TO AID IN APPLYING A WIRE ROPE SEIZING?

Answer 35

A SERVING BAR.

Question 36

WHAT IS THE EASIEST SPLICE TO USE ON WIRE ROPE?

Answer 36

LIVERPOOL SPLICE.

Question 37

WHAT TYPE OF SPLICE SHOULD BE USED ON A WIRE THAT WILL BE FREE TO ROTATE?

Answer 37

LOCK TUCK.

Question 38

HOW MUCH WIRE SHOULD BE UNLAID FOR A LIVERPOOL SPLICE?

Answer 38

DIAMETER OF WIRE TIMES 36.

Question 39

WHAT IS CUT OUT IN THE LIVERPOOL SPLICE?

Answer 39

THE CORE.

Question 40

WHEN IS A LOCK TUCK MADE ON A LIVERPOOL SPLICE?

Answer 40

AFTER THE THIRD ROUND OF TUCKS.

Question 41

IS THE CORE CUT OUT IN A LOCK TUCK SPLICE?

Answer 41

NO

Question 42

HOW MANY TUCKS ARE IN A LOCK TUCK SPLICE?

Answer 42

FIVE

Question 43

HOW IS A MARLINSPIKE INSERTED IN A LOCK TUCK?

Answer 43

AGAINST THE LAY.

Question 44

WHAT DIAMETER WIRE CAN A SWAGED FITTING BE INSTALLED ON?

Answer 44

1/4 TO 1 INCH.

Question 45

WHAT IS USED TO SECURE A SWAGED FITTING?

Answer 45

HYDRAULIC PRESS.

Question 46

WHO SHOULD INSTALL A SWAGED FITTING?

Answer 46

EXPERIENCED PERSONNEL ONLY.

Question 47

WHERE IS THE SIZE OF A WIRE ROPE CLIP STAMPED?

Answer 47

THE RODDLE.

Question 48

WHAT ARE THE ADVANTAGES OF USING THE IMPROVED WIRE ROPE CLIP?

Answer 48

IT CANT BE PUT ON WRONG AND ALLOWS FOR A FULL WRENCH SWING.