Industry Certification Prep Accurate Real Exam
Questions and Verified Correct Answers – JUST
RELEASED
The _____ _____ short radius spiral is a type of short radius spiral. - ANSWER -
double 90
The capacity of a chairlift shall not exceed two persons. The rated load shall not
be less than _____ lbs for a one seat lift and not less than _____ lbs for a two seat
lift. The speed shall not exceed _____ fpm. - ANSWER -250, 400, 40
(True/False) With platform lifts, codes require a handrail between 1 and 3 inches
in diameter, 1 1/2 inches minimum from the wall and 34 to 38 inches above the
stair tread nosing. - ANSWER -True
Per code, where the actuation of the safeties is by a governor, the safety shall be
set at a maximum speed of _____ fpm - ANSWER -75
With platform lifts, the _____ is referring to the space occupied by the lifts' travel
whether it is enclosed, partially enclosed or open construction. - ANSWER -
Runway
Routine tests and inspections are to be made every _____ months for LULA's in
buildings other than private residences and every _____ for private residences. -
ANSWER -6, year
What is the minimum height of a barricade in place around an open wellway? -
ANSWER -42"
What is the maximum angle of inclination for moving walks? - ANSWER -12
degrees
The major advantage of a hydraulic elevator is that it __________ _________
building structural support. - ANSWER -requires less
, What would be the effect of increasing the size of the oil line if all other elements
in a hydraulic elevator system remain the same? - ANSWER -Rate of flow is
increased
A __________ __________ is used to check a jack hole for plumb. - ANSWER -
spider bob
What is the operating pressure of a hydraulic elevator with a gross weight of 1500
pounds and a plunger area of 15 square inches? - ANSWER -100 psi
One gallon equals __________ cubic inches. - ANSWER -231
Why is it important to follow a welding procedure using a sequence of short welds
on opposite sides of the cylinder? - ANSWER -To prevent warping the cylinder
If all other elements in a hydraulic elevator system remain the same, what would
be the effect of reducing the diameter of the plunger? - ANSWER -Higher system
pressure
How do you prevent rusting of the plunger if the jack unit is installed in the well
hole long before the elevator will be completed? - ANSWER -Fill it with oil
(True/False)The pressure relief valve is operated electronically. - ANSWER -False
What prevents the plunger from leaving the cylinder? - ANSWER -The stop ring
The advantage of wye-delta starting is what? - ANSWER -Starting current is
lower
A __________ cushions pulsations in the oil caused by the pump. - ANSWER -
silencer
You can lower a hydraulic elevator without power by using the __________
__________ __________. - ANSWER -manual lowering valve
The __________ __________ assembly supports the platform of a hydraulic
elevator. - ANSWER -bolster channel
It is necessary to run a ground wire to the car sling of a hydraulic elevator to
prevent what? - ANSWER -electrical shock