Elevator 245 250 Study guides, Class notes & Summaries

Elevator 245-250 Exam Latest 2024 Updated Answers.Elevator 245-250 Exam Latest 2024 Updated Answers.

Elevator 245-250 Exam Latest 2024 Updated Answers.

Elevator 245-250 exam questions and correct answers

What is meant by suspension regarding elevator equipment? - 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? . - Ropes or belts are the most common materials used for suspension What materials are used in the construction of governor ropes and car ropes? - Iron, monel, bronze, fiber or steel What is meant by the term lang lay? - When the wires of the strand form an angle with the axis o...

Elevator 245-250 Questions & 100% Verified Correct Answers with complete solutions (Latest update 2024 2025

What is meant by suspension regarding elevator equipment? - ANS 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? . - ANS Ropes or belts are the most common materials used for suspension What materials are used in the construction of governor ropes and car ropes? - ANS Iron, monel, bronze, fiber or steel What is meant by the term lang lay? - ANS Wh...

Elevator 245-250 question n answers graded A+ 2024/2025 What is the advantage of installing sheaves overhead? - ANS-It allows for floors to be added to the building When are sheaves installed overhead? - ANS-When the machine is in the bottom of the hoist way or in an adjacent hoist way What must be determined be fore any machine beams can installed? - ANS-The rails for both the car and the counterweights must be located and then the final layout consulted Which type of groove is used o...

What is the max speed used with V grooves? - ANS 500 fpm How do you determine the gear ratio? - ANS By dividing the number of threads on the gear by the number of teeth on the ring gear What is the main benefit of using the V groove? - ANS Prevents rope from slipping out of the groove What type of grove is cut into the drive sheave to increase the traction between the machine sheave and rope without double wrapping? - ANS V groove What should t...

Elevator 245-250 Questions and answers

Elevator 245-250What is the max speed used with V grooves? - correct answer 500fpm How do you determine the gear ratio? - correct answer By dividing the number of threads on the gear by the number of teeth on the ring gear What is the main benefit of using the V groove? - correct answer Prevents rope from slipping out of the groove What type of grove is cut into the drive sheave to increase the traction between the machine sheave and rope without double wrapping? - correct answer V groo...