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Mechanical Systems Exam: Elevators, Escalators, Travelators, Exams of Mechanical Engineering

Harvard University Mechanical Engineering

A comprehensive overview of mechanical systems, specifically focusing on elevators, escalators, and travelators. It presents a series of questions and answers related to the design, operation, and classification of these systems. Various aspects, including types of elevators, safety features, classifications based on use, and standard specifications for escalators. It also explores the history of elevators and the role of elisha otis in their development. This resource is valuable for students studying mechanical engineering, architecture, or construction management, providing insights into the practical applications and technical details of these essential systems.

Typology: Exams

2024/2025

Available from 01/14/2025

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BU2: Mechanical System - Elevator,

Escalator, Travelator Exam with Latest

Questions and Answers.

Safety Elevators - Correct Ans: ✅ Question:? What you call the

modern elevators

- Typical Gearless Machine

- Typical Geared Machine - Correct Ans: ✅ Question:? 2 Types of

Geared Traction Machine for Electric Elevator

Typical Gearless Machine - Correct Ans: ✅ Question:? for high end

projects

Typical Geared Machine - Correct Ans: ✅ Question:? Mejo maalog

Machine-room less - Correct Ans: ✅ Question:? meaning of "MRL"

in gearless MRL

Buffers - Correct Ans: ✅ Question:? For car and counterweight

Counterweight - Correct Ans: ✅ Question:? Thin slabs of metal

Discover Exams of Mechanical Engineering Harvard University

Partial preview of the text

Download Mechanical Systems Exam: Elevators, Escalators, Travelators and more Exams Mechanical Engineering in PDF only on Docsity!

BU2: Mechanical System - Elevator,

Escalator, Travelator Exam with Latest

Questions and Answers.

Safety Elevators - Correct Ans: ✅ Question:? What you call the modern elevators

Typical Gearless Machine
Typical Geared Machine - Correct Ans: ✅ Question:? 2 Types of Geared Traction Machine for Electric Elevator

Typical Gearless Machine - Correct Ans: ✅ Question:? for high end projects

Typical Geared Machine - Correct Ans: ✅ Question:? Mejo maalog

Machine-room less - Correct Ans: ✅ Question:? meaning of "MRL" in gearless MRL

Buffers - Correct Ans: ✅ Question:? For car and counterweight

Counterweight - Correct Ans: ✅ Question:? Thin slabs of metal

Hydraulic Elevator - Correct Ans: ✅ Question:? for PWD, DIESEL fuel, needs a room for controller, pumps, tank (kung saan lowest stop, doon ilalagay)

FE - Freight Elevator
PE - Passenger Elevator
SE - Service Elevator
BL - Bed Lift - Correct Ans: ✅ Question:? Classifications of Elevator According to Use

BL - Bed Lift - Correct Ans: ✅ Question:? Used in hospitals where stretchers, bed, etc. can be placed

Panoramic Lift - Correct Ans: ✅ Question:? Expensive due to safety glass

Tempered
Laminated
Wired - Correct Ans: ✅ Question:? Types of safety glass

Half the size of the shaft - Correct Ans: ✅ Question:? Size of the buffer for the elevator lobby

4 - Correct Ans: ✅ Question:? Maximum number of elevators

120 ft / min = 5000-8000 persons / hour - Correct Ans: ✅

Question:? Standard speed of escalator

32" (0.82 m)

48" (1.21 m) - Correct Ans: ✅ Question:? Standard width of escalator

30˚ (U.S., PH.)

30-35˚ (Japan and others) - Correct Ans: ✅ Question:? Standard Slope of escalator

Parallel
Crossover
Walk-Round
Criss-cross - Correct Ans: ✅ Question:? Basic configurations of escalator
minimize movements of people
minimize movements of goods
prevent clashes
prevent bottleneck - Correct Ans: ✅ Question:? Basic design principles of escalator

Travelator Systems (Walkalator) - Correct Ans: ✅ Question:? MOVING WALKWAYS; smooth from end to end; inclined and horizontal

Lift / Elevator (Am) - Correct Ans: ✅ Question:? Mechanical installation; for LIFTING PASSENGERS OR GOODS; one level or storey to another; one of the most expensive; required for 5 STOREYS

Brand
Model - Correct Ans: ✅ Question:? This will decide on the size of the shaft

Number of stops - Correct Ans: ✅ Question:? Price depends on this

Electric Traction
Hydraulic Traction - Correct Ans: ✅ Question:? Classification based on DRIVING METHODS

Electric Traction - Correct Ans: ✅ Question:? Use electric motor

Hydraulic Traction - Correct Ans: ✅ Question:? Use oil power (up to 8 STOREYS)

Elisha Otis - Correct Ans: ✅ Question:? American INVENTOR (1853); DEMONSTRATED a freight elevator equipped with safety

Mechanical Systems Exam: Elevators, Escalators, Travelators, Exams of Mechanical Engineering

Related documents

Partial preview of the text

Download Mechanical Systems Exam: Elevators, Escalators, Travelators and more Exams Mechanical Engineering in PDF only on Docsity!

BU2: Mechanical System - Elevator,

Escalator, Travelator Exam with Latest

Questions and Answers.

30˚ (U.S., PH.)