#1
What is the primary function of an elevator safety brake?
To control the speed of the elevator
To stop the elevator in case of an emergency
To adjust the elevator's position
To open and close the elevator doors
#2
Which type of elevator system is commonly used in low-rise buildings and requires a hydraulic pump to move the elevator car?
Traction elevator
Pneumatic elevator
Cable elevator
Hydraulic elevator
#3
What is the purpose of the interlock system in an elevator?
To regulate the elevator's speed
To prevent the elevator from moving unless the doors are securely closed
To control the direction of the elevator
To provide emergency lighting inside the elevator car
#4
What is the purpose of the door interlock system in an elevator?
To control the elevator's speed
To prevent the elevator from moving unless all doors are closed
To regulate the temperature inside the elevator car
To monitor the power supply
#5
What is the purpose of the overspeed governor in an elevator system?
To control the elevator's direction
To regulate the power supply
To measure and control the elevator's speed
To engage the emergency brake
#6
Which type of elevator drive system is known for its smooth and energy-efficient operation?
Hydraulic drive
Traction drive
Pneumatic drive
Cable drive
#7
What is the purpose of the governor in an elevator system?
To control the direction of the elevator
To regulate the power supply
To measure and control the speed of the elevator
To monitor the temperature inside the elevator shaft
#8
What is the purpose of the pit in an elevator shaft?
To store maintenance tools
To house the elevator machinery
To provide space for passengers waiting for the elevator
To prevent the elevator from going below ground level
#9
Which safety device is designed to prevent the elevator from exceeding its rated speed?
Overspeed governor
Emergency brake
Counterweight
Interlock system
#10
In elevator terminology, what does the term 'hoistway' refer to?
The control panel inside the elevator car
The shaft or enclosure that houses the elevator
The emergency exit door in the elevator
The counterweight mechanism
#11
In elevator mechanics, what does the term 'counterweight' refer to?
The weight of the passengers in the elevator
A weight used to balance the load in the elevator car
The weight of the elevator machinery
A safety feature to prevent free-fall
#12
What safety feature is activated when an elevator door encounters an obstruction while closing?
Emergency stop
Door reversal mechanism
Overload protection
Governor activation
#13
What is the purpose of the buffer in an elevator system?
To absorb kinetic energy in case of a collision
To regulate the elevator's speed
To control the door opening and closing
To maintain elevator balance
#14
In elevator maintenance, what does the term 'rope-to-sheave ratio' refer to?
The ratio of elevator ropes to sheaves in the pulley system
The ratio of motor power to elevator weight
The ratio of counterweight to elevator weight
The ratio of buffer capacity to elevator speed
#15
What is the purpose of the slack rope switch in an elevator system?
To detect excessive slack in the elevator ropes
To regulate the tension in the ropes
To control the speed of the elevator
To engage the counterweight