#1
What is a safety feature commonly found in modern elevators?
Emergency stop button
ExplanationHalts elevator operation in emergencies.
#2
Which component is responsible for controlling the elevator's movement?
Motor
ExplanationDrives the elevator's motion.
#3
What is the purpose of a governor in an elevator system?
To control the elevator's speed
ExplanationRegulates elevator speed to prevent accidents.
#4
In elevator terminology, what does 'hoistway' refer to?
The shaft where the elevator moves
ExplanationVertical passage for elevator travel.
#5
What is the function of a door restrictor in an elevator system?
To prevent the doors from opening too wide
ExplanationLimits door opening to enhance safety.
#6
What is the function of a 'car sling' in an elevator?
To support the elevator car
ExplanationSupports the weight of the elevator car.
#7
What is the function of a 'hall call' button in elevator operation?
To call the elevator car to a specific floor
ExplanationRequests elevator service from a floor.
#8
What is the purpose of a counterweight in an elevator system?
To balance the load of the elevator car
ExplanationBalances the weight of the elevator car.
#9
What is the significance of the term 'buffer springs' in elevator mechanics?
To absorb shock in case of sudden stops
ExplanationAbsorbs impact during abrupt stops.
#10
What does the term 'overspeed governor' refer to in elevator safety systems?
A device to prevent the elevator from exceeding its maximum speed
ExplanationPrevents elevator from surpassing safe speeds.
#11
Which type of elevator is known for its ability to move both vertically and horizontally?
Paternoster elevator
ExplanationMoves in a loop, both vertically and horizontally.
#12
What does VVVF stand for in the context of elevator systems?
Variable Voltage Variable Frequency
ExplanationControls motor speed for smooth operation.