Update) Questions and Verified Answers
100% Correct {Grade A}
If suspended glass is used with lighting fixtures, the fixture must be
A. Positioned in the center of the dropped ceiling
B. Concealed behind a metal grid
C. Supported by a metal frame and securely fastened by at least 3 points
D. Flush with the surface of the ceiling -correct answer c. Supported by a metal frame
and securely fastened by at least 3 points
All cab modernization should be performed at what floor?
A. At the main lobby
B. Bottom floor
C. Top floor
D. Lowest landing -correct answer c. Top floor
To meed a.d.a. requirements, hall call buttons are centered at ____ above the finished
floor.
A. 36"
B. 42"
C. 48"
D. 52" -correct answer b. 42"
If you had a 14,500 lb machine to lift up the hoistway, what kind of reeving would be
used for a 4000lb capacity portable gas hoist?
, Final Exam Elevator (Latest
Update) Questions and Verified Answers
100% Correct {Grade A}
A. 2:1
B. 3:1
C. 4:1
D. 5:1 -correct answer c. 4:1
Which of the following statements best describes the gearless traction machine?
A. This type of machine does not use any gears other than reduction gears
B. The gearless machine is comprised of a drive sheave, worm shaft and a brake.
C. This type of machine uses slow speed dc motors
D. The gearless machine is limited to mid-rise elevator installations -correct answer c.
This type of machine uses slow speed dc motors
What is the correct minimum diameter of any sheave or drum in contact with hoist
rope?
A. 20x the diameter of the rope
B. 40x the diameter of the rope
C. No minimum is required if the ropes are slung over a deflector sheave
D. No minimum is required if the ropes are slung over a secondary sheave -correct
answer b. 40x the diameter of the rope
If a gearless machine's drive sheave has a circumference of six feet, approximately
how many rpms would be required of the drive motor to run the car at 800 ft/min?
, Final Exam Elevator (Latest
Update) Questions and Verified Answers
100% Correct {Grade A}
A. 4800
B. 1700
C. 242
D. 133 -correct answer d. 133
Which of the following describes the function of the gear reduction unit on a geared
machine?
A. Allows the drive sheave to safely rotate at 1700rpm
B. Increases the lifting capability of a small motor
C. Allows the drive sheave to carry loads over 500ft
D. Eliminates the need to use a deflector sheave -correct answer b. Increases the
lifting capability off a small motor
On a geared worm machine, where must the oil level be kept?
A. Above the worm gear
B. Below the worm gear
C. At the center of the worm shaft
D. At the bottom of the worm shaft -correct answer c. At the center of the worm shaft
If a double groove worm on a geared machine has a reduction ratio of 50:1, what are
the drive sheave rpm's with the motor turning at 400 rpm?
A. 2
, Final Exam Elevator (Latest
Update) Questions and Verified Answers
100% Correct {Grade A}
B. 8
C. 10
D. 20 -correct answer b. 8
A helical geared machine provides which of the following benefits?
A. Generates less noise than a worm gear machine
B. Generates less vibration than a worm gear machine
C. Requires less sound isolation than a worm gear machine
D. Requires less overall power than a worm gear machine -correct answer d. Requires
less overall power than a worm gear machine
Which of the following limitations exist on new installations of drum machines?
A. Limited to mid-rise service
B. Can not exceed 500fpm
C. Can not be used for residential installations
D. Limited to 40ft of travel -correct answer d. Limited to 40ft of travel
On a drum machine installation, ,what effect does the actuation of the slack cable
switch have?
A. The machine stops
B. The safeties set
C. The drum reverses direction