QUESTIONS AND CORRECT ANSWERS GRADED A+
What best describes the pinion of the governor safety device?
It free wheels until the hoist exceeds tripping speed in the down direction
What is the maximum allowable rated load for a LULA elevator?
1,400 Ibs.
Layout. What is the correct distance to the center of wellway from the column line?
17' 6 3/4"
The platen plate connects which two hydraulic elevator components together?
Plunger and bolster assembly
Submersible pump units are always designed by which of the following methods?
Direct coupled motor and pump
What is the maximum angle of inclination allowable for a moving walk?
12 degrees
You are performing an acceptance test and must document the working pressure. What must be done
to record this pressure?
, Run the elevator up with full load
Which of the following is the minimum rated load for both a one- and a two-seat chairlift, respectively?
250lb, 400lb
If a jack or cylinder floats in the jack hole, what step may be needed to overcome this?
Add oil to the cylinder
According to code, what is the highest degree angle stairway onto which a chairlift can be installed?
45
With the elevator at rest, what is the condition of the UP valve?
Open
A flexible oil line was installed to reduce the pump unit vibration felt in the elevator. What is a
requirement of this elevator system?
Replace flex line at 6-year intervals
What is the purpose of a stop ring on a hydraulic elevator?
To prevent the plunger from leaving the cylinder