Elevator 245-250: Questions With Complete
Solutions
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 the term lang lay? Correct Answer - When
the wires of the strand form an angle with the axis of the rope
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 is meant by suspension regarding elevator equipment?
Correct Answer - A means of connecting the cars and
counterweights with the hoisting machines.
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 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
Solutions
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 the term lang lay? Correct Answer - When
the wires of the strand form an angle with the axis of the rope
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 is meant by suspension regarding elevator equipment?
Correct Answer - A means of connecting the cars and
counterweights with the hoisting machines.
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 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
