AND ANSWERS SURE A+
✔✔Where is the door operator for a passenger elevator located? - ✔✔On the car top
✔✔What is the rated speed of a modern hydraulic elevator? - ✔✔Usually less than 200
fpm
✔✔Where is the plunger connected to a direct plunger hydraulic elevator? - ✔✔To the
car
✔✔What is the purpose of the motor generator? - ✔✔To provide DC power from AC
power.
✔✔What are Type A safeties?
ASME A17.1-2004
2.17.5.1 - ✔✔They apply pressure on the guide rails through eccentrics, rollers, or
similar devices
✔✔Where are oil buffers required?
Title 8 Sec 3031 - ✔✔Below both car and counterweight for rated speeds over 200 fpm
, ✔✔When does the final limit switch operates?
ASME A17.1-2004
1.3 (Terminal Stopping Device) - ✔✔It only operates if other controls fail
✔✔Why are Escalators used in transit systems, subways, airports, and sports facilities?
- ✔✔Because they can move a large number of passengers in a short time
✔✔If an object becomes entrapped between the escalator skirt and step as it
approaches a landing, what should stop the operation of the escalator?
ASME A17.1-2004
6.1.6.3.6 - ✔✔A skirt obstruction device
✔✔How will the step level device stop the operation of the escalator?
(.125 in Displacement)
ASME A17.1-2004
6.1.6.3.11 - ✔✔When either side of the riser end of the step is displaced downward
✔✔The assembly of panel, newels, handrail, and deck which constitutes the sides of an
escalator is called?
ASME A17.1-2004
1.3 - ✔✔Balustrade
✔✔What is called the revolving part of a DC motor or generator? - ✔✔Armature
✔✔What is called the horizontal beam of a car frame on the top of an elevator car? -
✔✔Crosshead
✔✔What is called when a zone extending from a point 18 inches below a landing to a
point 18 inches above the landing? - ✔✔The landing zone
✔✔What is called the steel plate that connects the plunger to the car frame on a direct
plunger hydraulic elevator? - ✔✔Platen
✔✔What's called a large spring in the bottom of the hoistway used to soften the force
with which the elevator cab might run into the pit? - ✔✔Buffer
✔✔The Elevator Safety Orders specify the minimum allowable rated load for elevators
because?
Title 8 Sec 3037 - ✔✔The larger the platform, the larger the minimum rated load
✔✔How are guide rail ends connected?
Title 8 Sec 1604.13 - ✔✔By tongue and groove and fishplate