Elevator 245-250 EXAM 2025 COMPLETE QUESTIONS
With 100% Verified Solutions,
What is meant by suspension regarding elevator equipment? - (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? . -
(ANSWER)Ropes or belts are the most common materials used for suspension
What materials are used in the construction of governor ropes and car ropes? -
(ANSWER)Iron, monel, bronze, fiber or steel
What is meant by the term lang lay? - (ANSWER)When the wires of the strand
form an angle with the axis of the rope
What is meant by rope lay? - (ANSWER)The direction that the strands are coiled
around the core material
What is the most common finish on ropes? - (ANSWER)Bright or uncoated
What are the components of a wire rope? - (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? -
(ANSWER)Stranded aramid fiber, carbon fiber and non-circular elastomeric
coated steel belts NECSBS
, What is the core of a rope made from? - (ANSWER)Either fiber or wire
When would iron grade steel be most likely be used? - (ANSWER)When working
on older equipment
How many different types of steel are used in the construction of ropes? -
(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? - (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? - (ANSWER)They have a greater
resistance to abrasions and greater flexibility that regular ropes
What is significant about Seale ropes? - (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? - (ANSWER)Harder to handle;
more likely to untwist, kink easier and easier to crushing
With 100% Verified Solutions,
What is meant by suspension regarding elevator equipment? - (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? . -
(ANSWER)Ropes or belts are the most common materials used for suspension
What materials are used in the construction of governor ropes and car ropes? -
(ANSWER)Iron, monel, bronze, fiber or steel
What is meant by the term lang lay? - (ANSWER)When the wires of the strand
form an angle with the axis of the rope
What is meant by rope lay? - (ANSWER)The direction that the strands are coiled
around the core material
What is the most common finish on ropes? - (ANSWER)Bright or uncoated
What are the components of a wire rope? - (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? -
(ANSWER)Stranded aramid fiber, carbon fiber and non-circular elastomeric
coated steel belts NECSBS
, What is the core of a rope made from? - (ANSWER)Either fiber or wire
When would iron grade steel be most likely be used? - (ANSWER)When working
on older equipment
How many different types of steel are used in the construction of ropes? -
(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? - (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? - (ANSWER)They have a greater
resistance to abrasions and greater flexibility that regular ropes
What is significant about Seale ropes? - (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? - (ANSWER)Harder to handle;
more likely to untwist, kink easier and easier to crushing
