ELEVATOR 245-250 EXAM
QUESTIONS & DETAILED CORRECT
ANSWERS
What are the means of suspension that are used in the elevator industry? . - correct answer
✔✔Ropes or belts are the most common materials used for suspension
What is meant by suspension regarding elevator equipment? - correct answer ✔✔A means of
connecting the cars and counterweights with the hoisting machines.
What is meant by the term lang lay? - correct answer ✔✔When the wires of the strand form an
angle with the axis of the rope
What materials are used in the construction of governor ropes and car ropes? - correct answer
✔✔Iron, monel, bronze, fiber or steel
What is meant by rope lay? - correct answer ✔✔The direction that the strands are coiled
around the core material
What is the most common finish on ropes? - correct answer ✔✔Bright or uncoated
What are the components of a wire rope? - correct answer ✔✔Wires, that form the strand,
Strands that lay around the core, and core material
What materials is used in the construction of belts for suspension? - correct answer
✔✔Stranded aramid fiber, carbon fiber and non-circular elastomeric coated steel belts NECSBS
, What is the core of a rope made from? - correct answer ✔✔Either fiber or wire
When would iron grade steel be most likely be used? - correct answer ✔✔When working on
older equipment
How many different types of steel are used in the construction of ropes? - correct answer ✔✔6
different types of steels can be used Traction Steel (TS); Plow Steel (PS), mild plow steel
(MPS)Improved plow steel (IPS, Extra Improved Plow Steel (EIPS) Extra Extra Improved Plow
Steel (EEIPS)
What is special about Warrington ropes? - correct answer ✔✔The inside wires of the strands
are the same diameter. While the wire that make up the outer strand edge alternate between
the sizes used
What are the benefits of using lang lay ropes? - correct answer ✔✔They have a greater
resistance to abrasions and greater flexibility that regular ropes
What is significant about Seale ropes? - correct answer ✔✔The strand is made up of 1 large
wire surrounded by 9 small wires which are surrounded by 9 large wires
What are disadvantages of using lang lay ropes? - correct answer ✔✔Harder to handle; more
likely to untwist, kink easier and easier to crushing
What is a drawback to using Warrington ropes? - correct answer ✔✔They aren't wearing
resistant
What do 6 x 19 regarding ropes mean? - correct answer ✔✔The first number represents the
number of strands that make up the rope. The second number is the number of wires per
strand
QUESTIONS & DETAILED CORRECT
ANSWERS
What are the means of suspension that are used in the elevator industry? . - correct answer
✔✔Ropes or belts are the most common materials used for suspension
What is meant by suspension regarding elevator equipment? - correct answer ✔✔A means of
connecting the cars and counterweights with the hoisting machines.
What is meant by the term lang lay? - correct answer ✔✔When the wires of the strand form an
angle with the axis of the rope
What materials are used in the construction of governor ropes and car ropes? - correct answer
✔✔Iron, monel, bronze, fiber or steel
What is meant by rope lay? - correct answer ✔✔The direction that the strands are coiled
around the core material
What is the most common finish on ropes? - correct answer ✔✔Bright or uncoated
What are the components of a wire rope? - correct answer ✔✔Wires, that form the strand,
Strands that lay around the core, and core material
What materials is used in the construction of belts for suspension? - correct answer
✔✔Stranded aramid fiber, carbon fiber and non-circular elastomeric coated steel belts NECSBS
, What is the core of a rope made from? - correct answer ✔✔Either fiber or wire
When would iron grade steel be most likely be used? - correct answer ✔✔When working on
older equipment
How many different types of steel are used in the construction of ropes? - correct answer ✔✔6
different types of steels can be used Traction Steel (TS); Plow Steel (PS), mild plow steel
(MPS)Improved plow steel (IPS, Extra Improved Plow Steel (EIPS) Extra Extra Improved Plow
Steel (EEIPS)
What is special about Warrington ropes? - correct answer ✔✔The inside wires of the strands
are the same diameter. While the wire that make up the outer strand edge alternate between
the sizes used
What are the benefits of using lang lay ropes? - correct answer ✔✔They have a greater
resistance to abrasions and greater flexibility that regular ropes
What is significant about Seale ropes? - correct answer ✔✔The strand is made up of 1 large
wire surrounded by 9 small wires which are surrounded by 9 large wires
What are disadvantages of using lang lay ropes? - correct answer ✔✔Harder to handle; more
likely to untwist, kink easier and easier to crushing
What is a drawback to using Warrington ropes? - correct answer ✔✔They aren't wearing
resistant
What do 6 x 19 regarding ropes mean? - correct answer ✔✔The first number represents the
number of strands that make up the rope. The second number is the number of wires per
strand
