BU - Mechanical

A continuous belt (chain) attached to the handrail and directly connected to the steps is known as

• Balustrade Assembly

• Handrail

• Chain Belt

• Endless Belt

A safety device of a passenger elevator which reduces the collision shock of a car or counterweight due to over travel beyond the lowest stop. This device stops the car or counterweight safely.

• Door contact

• Lantern

• Limit Switch

• Buffer

Part of an air-condition system which removes pressure from the liquid refrigerant to allow expansion or change of state from a liquid to a vapor in the evaporator

• Condenser

• Compressor

• Evaporator

• Expansion Value

Part of an air-condition system that has a heat exchanger section to cool down and condense incoming refrigerant vapor into liquid

• Evaporator

• Expansion Value

• Compressor

• Condenser

It is a controller which responds to change in temperature

• Controller

• Thermometer

• Thermostat

• Humidifier

Holds the door in place and prevent it from being opened when / if the elevator is in use

• Limit Switch

• Alarm

• Door Interlock

• Gate Lock

• Door Contact

Maximum cars for an elevator bank

• 4

• 2

• 6

• 3

What is the minimum distance between the handrails of escalators

• 658mm

• 558mm

• 600mm

• 650mm

Typical Width of Escalator Thread

• 250mm

• 400mm

• 300mm

• 350mm

Which is NOT an ideal location of an ACCU in relation to the FCU

• 3 meters above the FCU

• within 3 meters

• within 15 meters

• 3 meters above the FCU

• with 15 meters develop distance