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1. Which code governs the installation and maintenance of elevators
in New York City?
A) International Building Code (IBC)
B) NYC Electrical Code
C) NYC Building Code (BC)
D) OSHA Safety Regulations
Answer: NYC Building Code (BC)
Rationale: The NYC Building Code includes regulations specifically for
the installation, inspection, and maintenance of elevators.
Compliance is mandatory for all elevator work within the city.
2. What is the primary purpose of a governor in an elevator system?
A) Control door operation
B) Limit maximum speed
C) Prevent overspeeding
D) Provide backup power
Answer: Prevent overspeeding
Rationale: The governor is a safety device designed to stop the
elevator car if it exceeds its rated speed, preventing accidents.
, 3. Which type of elevator drive uses a sheave and ropes to move the
car?
A) Hydraulic
B) Pneumatic
C) Traction
D) Magnetic
Answer: Traction
Rationale: Traction elevators use ropes or belts over a sheave
connected to a motor to raise and lower the car, common in mid- and
high-rise buildings.
4. How often must an NYC elevator undergo a full safety inspection?
A) Every 6 months
B) Every 12 months
C) Every 2 years
D) Every 5 years
Answer: Every 12 months
Rationale: NYC regulations require elevators to be inspected annually
by a certified inspector to ensure safety and code compliance.
5. What is the function of the buffer in an elevator pit?
A) Absorb impact if the car overruns
B) Stabilize the hoistway
C) Cushion the elevator car in emergency situations
D) Provide ventilation
Answer: Cushion the elevator car in emergency situations
Rationale: Buffers are installed at the bottom of the hoistway to
absorb the impact if a car descends too far, enhancing passenger
safety.
, 6. In a traction elevator, what component connects the car to the
counterweight?
A) Hydraulic piston
B) Safety brake
C) Hoist ropes
D) Governor rope
Answer: Hoist ropes
Rationale: Hoist ropes run over a sheave connecting the elevator car
to a counterweight, balancing the load and reducing motor effort.
7. Which type of elevator is commonly used in low-rise buildings and
relies on a piston to move the car?
A) Traction
B) Hydraulic
C) Pneumatic
D) Magnetic
Answer: Hydraulic
Rationale: Hydraulic elevators use a piston and fluid to raise the car
and are typically used in buildings up to 5–6 stories.
8. What is the minimum width required for an elevator door in NYC
for public use?
A) 28 inches
B) 32 inches
C) 36 inches
D) 42 inches
Answer: 36 inches
Rationale: NYC Building Code specifies a minimum door width of 36
inches for public elevators to ensure accessibility.
, 9. Which safety device stops an elevator car if it moves beyond its
rated speed?
A) Interlock
B) Limit switch
C) Governor
D) Door restrictor
Answer: Governor
Rationale: The governor engages safety brakes if the car moves too
fast, preventing free-fall accidents.
10. What does an interlock on an elevator door ensure?
A) Car stops at floor
B) Doors remain closed while car is moving
C) Maintains speed control
D) Balances the car load
Answer: Doors remain closed while car is moving
Rationale: Interlocks prevent the elevator from operating unless all
doors are fully closed, protecting passengers from accidents.
11. What is the purpose of the counterweight in a traction
elevator?
A) Drive the hoist motor
B) Balance the car to reduce motor work
C) Act as a safety backup
D) Control door timing
Answer: Balance the car to reduce motor work
Rationale: Counterweights offset the weight of the car and part of the
load, improving energy efficiency and reducing stress on the motor.
12. In NYC, which document must an elevator mechanic carry
when performing maintenance?