#1
What component is responsible for controlling the flow of hydraulic fluid in a hydraulic elevator?
Electric motor
Control valve
Counterweight
Piston
#2
Which of the following is NOT a typical component of a hydraulic elevator system?
Hoist ropes
Piston
Cylinder
Oil reservoir
#3
Which type of hydraulic fluid is commonly used in hydraulic elevator systems?
Water
Gasoline
Mineral oil
Diesel
#4
Which component is responsible for converting electrical energy into mechanical energy in a hydraulic elevator system?
Hydraulic pump
Counterweight
Electric motor
Selector mechanism
#5
What is the purpose of the governor in a hydraulic elevator system?
To control the flow of hydraulic fluid
To regulate the speed of the elevator car
To monitor the weight of the car and passengers
To stabilize the elevator during operation
#6
What is the function of the hydraulic pump in a hydraulic elevator system?
To provide power to the electric motor
To generate hydraulic pressure
To control the direction of the elevator car
To store excess hydraulic fluid
#7
Which component in a hydraulic elevator system is responsible for ensuring the elevator stops at the desired floor?
Hydraulic fluid
Governor
Control valve
Selector mechanism
#8
What safety feature prevents the elevator from moving if the doors are open?
Emergency brake
Overload sensor
Door interlock system
Hydraulic pump
#9
What is the role of the counterweight in a hydraulic elevator system?
To balance the weight of the elevator car
To provide additional hydraulic pressure
To regulate the speed of the elevator car
To control the direction of the elevator car
#10
In a hydraulic elevator system, what happens if there is a loss of hydraulic fluid?
The elevator stops moving
The elevator starts moving faster
The elevator switches to manual mode
The elevator becomes unstable
#11
What is the purpose of the relief valve in a hydraulic elevator system?
To regulate the speed of the elevator car
To prevent excessive pressure buildup
To control the direction of the elevator car
To monitor the weight of the car and passengers
#12
What factor determines the capacity of a hydraulic elevator?
The size of the piston
The amount of hydraulic fluid
The load-bearing capacity of the cylinder
The strength of the control valve
#13
What is the purpose of the accumulator in a hydraulic elevator system?
To store excess hydraulic fluid
To regulate the speed of the elevator car
To monitor the weight of the car and passengers
To provide additional hydraulic pressure
#14
What safety mechanism prevents the elevator from free-falling in case of a malfunction?
Emergency brake
Overload sensor
Governor
Counterweight