Term
The Cross section of the fiber rope in Fig 1 shows that this size rope have __ yarns |
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Term
The inside of a rope should be continuously inspected for broken yarns by throwing a twist_____ the rope |
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Name the fastening method which prevents any fraying and does not increase the size of the end of the rope |
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Why should a back splice be avoided when reeving a block and tackle system? |
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Definition
The eye of the rope is enlarged,it is not easily reeved into a block |
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Term
A permanent type loop may be made in the end of a rope by forming an___ splice |
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When making this type of splice which is the answer to Question 5 tucking should be in direction _____ the lay of the rope |
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Definition
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Term
Two characteristics of the manila |
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Definition
lower strength subject to rot and mildew |
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Term
Four Characteristics for Polypylene |
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Definition
floats Lower strength than nylon Resistance to rot and mildew Poor conductor of electricity |
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Term
Four Characteristics of Nylon |
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Definition
High breaking Strength Absorbs shock load Excellent felxibility Resistance to rot |
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Term
Eight things to look for when inspecting |
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Definition
Exterior broken cuts abrasion reduction in diameter unlaying wear on the interior of the rope resulting in a powder like dust splices properly sized and tapered thimbles fitted tightly in the splice damage from acid |
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Term
Soft laid rope is the type that should be chosen for duty with blocks or sheaves |
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Definition
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Term
Regular right laid rope should be uncoiled in a counter clockwise direction |
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Term
it is a good idea to lubricate rope occasionally if it is cleaned first |
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Term
Jerking a rope while hoisting a load is good practice if a jerk is necessary to start the load moving |
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Term
When ropes used as guy lines are exposed to weather, they should be slacked off in wet weather |
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Definition
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Term
Seizing of manila rope can be easier than seixing synthetic rope because manila rope will melt before it begins to burn |
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Definition
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Term
List the four major requirements of rope fastening. |
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Definition
1. Security against slippage 2. suitablity and strength 3. Ease of tying 4. Ease of untying |
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Term
Name the three rope parts used in tying knots and hitches. |
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Definition
1. running end 2. standing part 3. The bight |
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Term
A mistake made in tying the square knot may result either in a ___ knot or a _____ knot. |
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Definition
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Term
When a loop is needed at any point between the ends of a rope, wheat is the proper knot to tie? |
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Definition
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Term
Name the knot that is easier to untie and is larger and stronger than the overhand knot. |
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Term
Compard to the strength of a rope , how much strength do knots usually develop? |
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