Definitive Solutions.
When would a mechanic be required to replace an escalator comb or comb plate? - Answer:
When teeth are broken
You are ordering wood planking to provide overhead protection for a temporary working
platform. At minimum, how thick must the wood be? - Answer: 2"
You are asked to install additional lighting in the hoist way. What type of extension cord should
you use? - Answer: Three-wire
Refer to the Figure. An apprentice is setting up a ladder to access a landing 12 feet above his
level. What is dimension B? - Answer: 3 feet
Your mechanic asks you to perform a job site inspection and you find a serious OSHA violation.
Who would you notify first? - Answer: Your mechanic
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, A mechanic taking a trouble call on a dumbwaiter, and realizes he must stand on the car top.
What should the dumbwaiter be equipped with? - Answer: Car safeties
When are elevator constructors permitted to ride inside a 400 lb. capacity dumbwaiter? -
Answer: They are not permitted to ride inside any dumbwaiter
Which conveyance system is described as one in which a "car" or "cab" is moved up or down a
hoistway by suspension means? - Answer: Traction elevator
When is public safety an elevator constructor's responsibility? - Answer: During all work-related
activities
You arrive at the machine room to replace a thrust bearing and find the lights are not working.
What should you do? - Answer: Do not start work until the lighting is restored
When does ASME A17.1 require a pit ladder to be installed? - Answer: When pit depth exceeds
35"
In which type of conveyance system is the energy applied by means of a liquid under pressure? -
Answer: Hydraulic elevator
Which entity requires all employees be given information and training on the long and short
term health effects of the chemicals they work with? - Answer: OSHA
Which of the following is a term used to describe a body harness used in conjunction with a
shock absorbing lanyard? - Answer: Personal fall arrest system
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