Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

Elevator Final Exam Study Guide: Solved Material, Exams of Mechanics

University of CambridgeMechanics

This comprehensive study guide provides solutions to 100 elevator final exam questions, covering topics such as safety devices, maintenance procedures, and hazard precautions. It is an essential resource for students preparing for elevator technician exams, offering insights into various aspects of elevator mechanics, including electrical systems, hydraulic elevators, traction elevators, and more.

Typology: Exams

2023/2024

Available from 04/15/2024

nancy-kimani
nancy-kimani 🇬🇧

4.1

(40)

2.9K documents

1 / 12

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
100 elevator final exam study guide solved material
guide solution
Which of the following is a term used to describe a body harness used in
conjunction with a shock absorbing lanyard? - Personal fall arrest system
A mechanic is working on a construction job, and finds the carpenter using
a powder activated tool to anchor wall track. Of the following, which
precaution should the mechanic take? - Wear hearing protection
Which is the best way to communicate with your coworkers while you are
in the machine room and they are working in the pit? - Two-way radio
A mechanic hurts their back while lifting a heavy box. A doctor diagnoses
a "strain". What type of Injury did they sustain? - Muscle stretched
beyond limits
You are about to step to a car top. After activating the top of car stop
switch and the inspection switch, what is the next step to verify that they
work? - Close the hoist way doors and set up a hall call
What safety device might you encounter in a hydraulic elevator pit? - Plunger
gripper
What is the most serious consequence of incorrect lifting? - Spinal injury
What is called the "silent killer" - The counter weight
A mechanic needs to ride on the car top, but a top-of car operating
device is not available. What should the mechanic do? - Establish
communication with a qualified person in the car
You are about to perform routine maintenance on an elevator. After
applying a lock and a tag, what step should you take? - Verify no power with
appropriate test equipment
When does ASME A17.1 require a pit ladder to be installed? - When pit
depth exceeds 35"
A mechanic is taking a trouble call in a dumbwaiter, and realizes he must
stand on the car top, what should the dumbwaiter be equipped with? - Car
safeties
When working around electricity, which of the following safety precautions
should be followed? - Remove jewelry and metal frames glasses
When are elevator constructors permitted to ride inside a 400lb. Capacity
dumbwaiter - They are not permitted to ride inside any dumbwaiter
pf3
pf4
pf5
pf8
pf9
pfa

Partial preview of the text

Download Elevator Final Exam Study Guide: Solved Material and more Exams Mechanics in PDF only on Docsity!

100 elevator final exam study guide solved material

guide solution

Which of the following is a term used to describe a body harness used in conjunction with a shock absorbing lanyard? - Personal fall arrest system A mechanic is working on a construction job, and finds the carpenter using a powder activated tool to anchor wall track. Of the following, which precaution should the mechanic take? - Wear hearing protection Which is the best way to communicate with your coworkers while you are in the machine room and they are working in the pit? - Two-way radio A mechanic hurts their back while lifting a heavy box. A doctor diagnoses a "strain". What type of Injury did they sustain? - Muscle stretched beyond limits You are about to step to a car top. After activating the top of car stop switch and the inspection switch, what is the next step to verify that they work? - Close the hoist way doors and set up a hall call What safety device might you encounter in a hydraulic elevator pit? - Plunger gripper What is the most serious consequence of incorrect lifting? - Spinal injury What is called the "silent killer" - The counter weight A mechanic needs to ride on the car top, but a top-of car operating device is not available. What should the mechanic do? - Establish communication with a qualified person in the car You are about to perform routine maintenance on an elevator. After applying a lock and a tag, what step should you take? - Verify no power with appropriate test equipment When does ASME A17.1 require a pit ladder to be installed? - When pit depth exceeds 35" A mechanic is taking a trouble call in a dumbwaiter, and realizes he must stand on the car top, what should the dumbwaiter be equipped with? - Car safeties When working around electricity, which of the following safety precautions should be followed? - Remove jewelry and metal frames glasses When are elevator constructors permitted to ride inside a 400lb. Capacity dumbwaiter - They are not permitted to ride inside any dumbwaiter

Who is ultimately responsible for ensuring adequate lighting at a work site? - You Your mechanic asks you to perform a job site inspection and you find a serious OSHA violation. Who would you notify first? - Your mechanic What are the two most common causes of accidents to members of the general public on elevators? - Trips and falls, and being struck by the doors Before shortening a governor rope, what safety steps should be taken? - LOTO and support tension sheave You aren't sure if a particular hoistway is considered a permit-required confined space. Where can you find more information? - OSHA 29 CFR 1926 code You arrive at the machine room to replace a thrust bearing and find the lights are not working. What should you do? - Do not start work until the lighting is restored After locking out and tagging out the electrical system, what safety step must be taken before entering an escalator truss? - Install a mechanical lock A mechanic is about to lubricate a governor tension sheave in a traction elevator pit. Before beginning work, what must be done? - Lock out and tag out An elevator constructor is asked to check on something in the pit. When must barriers be installed? - When hoistway door will be open more than 5" When is public safety an elevator constructors responsibility? - During all work-related activities When carrying a screwdriver in your pocket on a car top, what safety factors must be considered? - It doesn't matter; you should never carry a screw driver in your pocket You are ordering wood planking to provide overhead protection for a temporary working platform. At a minimum, how thick must the wood be? - 2" Which organization' s code prohibits storing anything on top of the car? - ASME You are modernizing an elevator where the Public is present. What are the barricade requirements? - Solid barricade at least 8' high, fully enclosing the work area Why did the elevator mechanic direct the apprentice not to run gasoline generator in an enclosed parking garage? - The risk of exposure to Carbon

When using power tools in older buildings without ground led outlets, what precaution must you take? - Verify a positive ground and use an adapter plug with grounding wire In the elevator industry, why are fiberglass ladders the most common type of ladders used? - They are non-conductive When would a mechanic be required to replace an escalator comb or comb plate? - When teeth are broken Along with spring buffers, limit switches, and cylinder head packing, what else would be found in a conventional hydraulic elevator pit? - Drip collection pan or oil return system When lifting heavy objects, what is the best lifting technique to use? - Back straight, legs bent When performing any work in a traction elevator pit, which hazard is known as the silent killer - Counterweight Which conveyance system is described as one in which a "car" or "cab" is moved up or down a hoistway by suspension means? - Traction elevator What must elevator constructors do before using chemical solutions or cleaning fluids? - Read SDS You are asked to install additional lighting in the hoistway. What type of extension cord should you use? - Three-wire In which type of conveyance system is the energy applied by means of a liquid under pressure? - Hydraulic elevator Refer to the figure. An apprentice is setting up a ladder to access a landing 12 feet above his level. What is dimension B? - 3 feet Prior to using the elevator car sling as a running platform, what must be operational and tested? - Governor and safeties Which entity requires all employees be given information and training on the long and short term health effects of the chemicals they work with? - OSHA What type of fire extinguisher is required in the machine room? - ABC When moving heavy parts or machinery, which if the following is most important? - Establishing good communication with coworkers

What size must a dumbwaiter cab enclosure be to transport people? - Dumbwaiter s may only transport materials, not people While working on a moving walk, where are barriers required? - At the points embarkation and disembarkation At which point on the lifeline should your lanyard be attached? - Above your shoulder A construction crew arrives to work on Monday morning and finds the overhead machine room floor is being poured. What precautions shoot be taken? - Avoid working in the hoistway What are 2 types of mechanical drawings used in elevator installations? - Layout drawing, detail drawing You are installing a V-belt drive pulley on a 40 horse motor for a hydraulic pump unit. What type of acre is needed to lock down the pulley to motor shaft? - Hexagonal socket with cup head screws You must order enough wire to complete installation of a duplex. Where would you find the information that would determine how much wire is needed? - Electrical layout In the metric system, how is the measurement of volume identified? - Liter Refer to print 1. Which view shows the pit depth? - A. Elevation view You are installing rails in a new building. Which drawing will you reference? - Rail installation detail drawing What part of the job folder would contain information regarding elevator speed, capacity, and loading class? - Abstract When replacing typical rollers on guides, what is the appropriate tool and fastener to be used? - Snap ring pliers/ snap rings What method should an elevator constructor use to check the well hole depth? - Drop a weight led line to the bottom and measure the line What is the simplest locking device used to prevent loosening due to vibrations? - Jam type nuts When installing pipe, what type of threads would you use to create a proper seal? - Pipe threads What information is typically provided in a job folder? - Contract speed, car platform thickness, machine groove type

When installing an escalator, what is the most common type of measurement system used? - Metric On the plan drawing, the main guide rails are shown in relation to the location of what? - Column line What is the acceptable tolerance (in inches) for the installation of guide rails on a job where the layout drawing does not specify a maximum or minimum dimension? - Plus or minus 1/64" What needs to be done prior to surveying the hoistway? - Install plumb line With regard to prints, what is another term for arias view? - Plan view What is the term for viewing an object straight on from many sides, with each side being at right angles to its adjacent side? - Orthographic projection What dangerous gas is given off by a running gasoline engine? - Carbon monoxide Why must you LOTO the main disconnect witch before checking the oil reservoir? - So the pump will not start What do you need to be certain of before getting on top of a dumbwaiter - That it can support your weight and it has safeties What makes a hydraulic elevator pit dangerous? - The car can come down without power What is the function of a ground fault circuit interrupter? - Detect an imbalance in current between the hot and neutral wires What are the main hazards in the machine room of a heated traction elevator? - Electrical and mechanical hazards Which of the following best describes the danger posed by the counter weight assembly when you are riding the car top? - It runs close by in the opposite direction What is the most serious consequence of incorrect lifting? - Spinal injury Why must you place a hydraulic elevator car on support posts before servicing the packing head? - Because a hydraulic elevator is supported by a column of oil What is the lowest amount of electrical current that can be fatal? - 0. amperes How do you determine the correct angle from the vertical for placing a ladder? - Measure out a distance of 1/4 the height

Where would you find hoistway access switches mounted? - At a terminal landing What is the safest way to lubricate hoist ropes? - With a rope lubricator What device must be in working condition in order to use an elevator car sling as a running platform - The governor and safeties Many older buildings contain fireproofing materials made of which hazardous substances? - Asbestos What are the three levels of reaction to an electrical shock? - Perception, surprise, freeze What is the first thing you must do before performing any service on an escalator? - Place barricades at the upper and lower ends What are the two most obvious dangers in the machine room? - Electricity and moving machinery What is the name of the document that lists the hazards of substance? - Safety data sheet Who is responsible for seeing that barricades are kept in place? - Everyone on the job What is a "walk-in" pit? - A pit with an access door at floor level of the pit What is the maximum capacity of a dumbwaiter? - 500lbs What supports a hydraulic elevator? - The column of oil inside the jack What amount of force, in the direction of the hoistway, must the approved barricade be able to withstand? - 200lbs What is the required height for OSHA approved barricade? - 42" What three factors determine the severity of injury from contact with electricity? - The route through the body, current, and exposure time Ties must be capable of which of the following - Resisting both tension and compressive forces If a scaffold grade plank is used for a sill - It must never be used as a component of a scaffold platform

What is the maximum allowable height of the top rail of a guardrail system? - 45 inches How often must scaffolding be inspected before it can be used? - Before each work shift Each suspended scaffold installation should hav me a/an - Emergency plan Any scaffold or accessories that are damaged shall be - Repaired and replaced How many means of breaking must a hoist have? - 2 When using a suspended scaffold, when is it ok to unhook your fall arrest? - When you have safely excited the platform The center line of the top rail of a guard rail must be? - 36" to 45" What is the minimum strength of the top rail of a guardrail system for a suspended platform? - 100lbs What safety factor is required for suspended scaffold? - 4: When normal voice communication cannot be used what is required? - 2- way communication devices The secondary brake on winding drum must be manually reset once it trips - True The anchor point for a lifeline must be capable of supporting for each safety like attached to it - 5000 pounds What statement best describes a layout drawing? - Overall view showing how large pieces and assemblies are placed in a building Which of the following best describes the final layout drawing? - A mechanical drawing showing plan and elevation views of the elevator installation Which document would provide information on the number and color of doors for an installation? - Job abstract What is the purpose of the elevation view found in the final layouts? - To show vertical locations and dimensions of elevator components How many possible views are available from drawings using orthographic projections? - Six What are the two major categories of construction drawings used in the elevator trade?

  • Mechanical and electrical