Exam (elaborations)
CET 10.7 Tests questions and correct answers
- Course
- Institution
CET 10.7 Tests questions and correct answers
[Show more]
Content preview
CET 10.7 Tests questions and correctanswers
Roped hydraulic elevators are required to have safeties, and they are: - correct answer ✔✔Required to
be tested the same as those for electric elevators.
A roped hydraulic elevator has a rated speed of 150 ft/min, and the operating speed in the down
direction is set at 210 ft/min (1.05 m/s): - correct answer ✔✔An oil buffer is required.
The Category 1 test of car spring buffer with a 2-1/2 in. (64 mm) stroke for a roped hydraulic elevator
consists of: - correct answer ✔✔No annual test required.
Refer to Figure 16 on page 139 in the Inspection Handbook, 6th Edition. The following measurements are
made. A = 67 in., B=75 in. and C=110 in. The spring buffer stroke is 4 in. The bottom car runby is ______
and bottom car clearance _______. - correct answer ✔✔Runby 8 in. and Clearance 31 in.
The Category 1 test of the car governor and safety when a type "A" safety is used on a roped hydraulic
elevator consists of: - correct answer ✔✔Tripping the governor by hand while operating the car down at
slow speed (inspection speed)
A hydraulic elevator has a working pressure of 400 psi (2758 kPa). The relief valve must prevent the
pressure from exceeding: - correct answer ✔✔600 psi (4137 kPa)
flexible hose and fitting are used in the machine room for supply piping, the Category 1 (annual)test
requirement consists of: - correct answer ✔✔Operating the elevator at the maximum relief setting for 30
seconds and observing the hose for defects.
A pump run timer is often used to provide protection for: - correct answer ✔✔Low oil and electrical
phase reversal protection.
The purpose of the overspeed valve is to: - correct answer ✔✔Prevent the elevator from overspeeding if
there is a rupture in the supply piping.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now