2025 LATEST UPDATED
Foundation, base enclosure, buffer springs - (answers)Rack and Pinion pit structures consist of
which of these components?
A minimum of two back up rollers on the machinery plate is required - (answers)Which of the
following is true regarding rack and pinion hoists?
Mounted to the frame below the lowest pinion - (answers)Safety hooks are best described by
which of the following?
They must be made of metal - (answers)Regarding code requirements for backup rollers which
of the following is correct?
Rack sections are bolted to the tower and aligned with roll pins at each end - (answers)Which of
the following best describes Tower sections for R&P hoists?
If free wheels until the hoist exceeds tripping speed in the down direction - (answers)What best
describes the pinion of the governor safety device?
Back up rollers - (answers)What is the component that maintains proper rack-to-pinion
engagement?
It is spring set and electrically released - (answers)Which of the following best describes the rack
and pinion drive motor brake?
It is typically reinforced concrete one foot thick - (answers)What is true regarding the foundation
for temporary R&P hoist?
ANSI A10.4 - (answers)What code do most issues regarding the installation of temporary hoists
fall under?
,It uses electrical switches to determine gates are closed - (answers)Which of the following are
requirements for the cage of a temporary R&P hoist?
Centrifugal brake - (answers)What component of a permanent installation hoist may help prevent
over speeding of the car during manual release of the motor brake?
Double toothed racks with opposing pinion wheels - (answers)What components satisfy the code
requirements for back up rollers?
Contacts of the safety device switch - (answers)What causes power to be removed from the
motor of a downward running car after the governor device has set?
Over lubrication of the grease fitting on the safety device - (answers)What condition would
contribute the most to the failure of the friction discs to work properly in a safety device?
Rides beneath the car on the same tower guides - (answers)What best describes the traveling
cable follower assembly?
Supports the weight of the tower - (answers)Which of the following items is not a function of
wall ties?
Doors are mechanically locked when the hoist is away - (answers)Which of the following is
correct regarding the Base enclosure and landing doors?
Safety hooks may be removed after installation - (answers)Which of the following is not true for
permanent installations?
Changing out damaged tower tubes in the field - (answers)Which of the following would not be
included in maintenance and repairs of temporary hoists?
,Secure the hoist to the tower - (answers)What must be done to prevent hoist car run away prior to
removing the motor assembly from the gear box on counter weighted hoists?
Wind conditions exceed hoist data tag limits - (answers)When is it mandated that hoist operation
be discontinued due to safety concerns on temporary hoists?
The cat head sheaves have permanently sealed bearings. - (answers)which of the following
would not be a concern for safety during pre operation inspections?
Put it on inspection mode, then run it up a short distance - (answers)How is resetting
accomplished on the type of safety that does not require special tools for reset?
Tie of to the car if the car is not disabled - (answers)Which of the following is not a safe standard
practice in tying off?
See if it will run down by opening the manual lowering valve - (answers)If a hydraulic elevator
will not run down, what is the first thing you should try?
In pounds per square inch - (answers)When calculating hydraulic system pressure, the force is
expressed in pounds and the area of the plunger is measured in square inches. How is the
pressure expressed?
Pascal's Law - (answers)What is the name of the scientific principle that allows a hydraulic
elevator to operate?
Every year - (answers)How often must a static load test be performed?
Multiply pressure times area - (answers)If a gauge is used to measure system pressure with the
elevator at rest and the size of the plunger is known, how can the total weight of the elevator be
calculated?
231 - (answers)How many cubic inches are there in one gallon?
, 28.27 square inches - (answers)What is the area of a 6" plunger?
200 psi - (answers)A weight (force) of 5,000 lbs. is placed on a hydraulic plunger having an area
of 25 square inches. What is the system pressure?
16.3 gallons - (answers)How many gallons of oil will be needed to raise a 4" plunger 25 feet?
Speed and capacity - (answers)How is the duty of a hydraulic elevator rated?
Up valve - (answers)When a hydraulic elevator is at rest at floor level, what valves are open?
Up transition - (answers)What is another term for up slowdown?
To prevent oil from flowing from the jack to the reservoir - (answers)Why is a check valve
required?
Rate of flow in gpm - (answers)What determines the full speed of a hydraulic elevator?
The down valve is closed, the check valve is closed, and the up valve is open - (answers)Which
describes the operation of a typical hydraulic block valve with an elevator landed at the floor?
Full load up pressure - (answers)What is the definition of "working pressure"?
Up start bypass and relief valve - (answers)What two functions are combined into a single valve?
The up limit switches - (answers)In order to perform a plunger stop test, which circuits would
have to be jumpered out?