Questions and Answers with Complete
Solutions
Category A: Safety & Codes (15 Questions)
1. What is the minimum safe working load for a typical personal fall arrest
lanyard?
a) 900 pounds
b) 1,000 pounds
c) 5,000 pounds
d) 5,400 pounds
2. According to ASME A17.1, what is the maximum allowable vertical force on a
car top emergency exit operating handle?
a) 50 lbs
b) 100 lbs
c) 150 lbs
d) 200 lbs
3. When working in a hoistway, what is the primary purpose of a "safety watch"
or hole watch?
a) To hand you tools
b) To monitor for fires
c) To prevent unauthorized access and initiate rescue
d) To operate the elevator for you
4. Lockout/Tagout (LOTO) procedures apply to:
a) Only electrical energy sources
b) All sources of hazardous energy (electrical, mechanical, hydraulic, gravitational)
,c) Only when working alone
d) Only during new installation
5. The minimum clearance between the top of the elevator car and the
overhead structure (OTIS) when the car is on its fully compressed buffers is:
a) 24 inches
b) 36 inches
c) 48 inches
d) 12 inches
6. What must be done before conducting a "top of car" inspection?
a) Ensure the top-of-car operating station is functional
b) Place the elevator on independent service
c) Inform the building manager only
d) Disable the door locks
7. A "Danger" tag in a LOTO procedure is what color?
a) Yellow
b) Orange
c) Red
d) Blue
8. The minimum headroom in the pit required for a mechanic to work without a
permit is typically:
a) 24 inches
b) 36 inches
c) 48 inches
d) 60 inches
9. Which fire service phase is activated by a smoke detector in the hoistway?
a) Phase I - Recall
b) Phase II - Emergency In-Car Operation
c) Phase III - Shutdown
d) None of the above
,10. When is it permissible to use a ladder on top of an elevator car?
a) When the car is stationary and the top-of-car controls are on inspection
b) When the car speed is under 50 fpm
c) It is never permissible
d) When working alone
11. The Safety Code requires a stop switch on the top of the car. What color
must its operating handle be?
a) Green
b) Yellow
c) Blue
d) Red
12. What is the primary hazard associated with counterweight sheaves and
ropes?
a) Electrical shock
b) Pinch points and caught-in hazards
c) Toxic fumes
d) Slippery surfaces
13. Before entering a machine room with a live controller, you should:
a) Look for warning lights only
b) Use a properly rated voltage tester to verify de-energization
c) Rely on the disconnect being labeled
d) Assume it is safe if the elevator is running
14. The minimum number of side ropes required for a compensation rope
sheave guard is:
a) 1
b) 2
c) 3
d) 4
15. A "GFCI" (Ground Fault Circuit Interrupter) is required for all 125V, 15A &
20A receptacles in elevator pits and machine rooms. What is its primary trip
, threshold?
a) 20 mA
b) 100 mA
c) 5 A
d) 20 A
Category B: Electrical Theory & Components (20 Questions)
16. In a three-phase AC induction motor, what creates the rotating magnetic
field?
a) The commutator
b) The rotor windings
c) The phase difference in the stator windings
d) The DC excitation
17. A device that converts a changing resistance into a changing voltage signal is
called a:
a) Transistor
b) Bridge rectifier
c) Voltage divider
d) Capacitor
18. What is the primary function of a "Varistor" (MOV) in an elevator controller?
a) To store energy
b) To suppress voltage spikes and transients
c) To regulate current
d) To step down voltage
19. The unit of measurement for electrical inductance is the:
a) Ohm
b) Farad
c) Henry
d) Siemens