BUILDING UTILITIES QUIZ#6

Cable

Primary component of an electric elevator

Plunger

Primary component of a hydraulic elevator

Humidistat

It is a controller, sensitive to the amount of humidity in the air.

The purpose of mechanical ventilation systems in buildings is to provide fresh air and remove stale air, odors, and pollutants.

What is the purpose of mechanical ventilation systems in buildings?

Car

A cage of light metal supported on a structural frame, the top member of which the cables that carry the car, are fastened.

Freight Elevator

Also known as a Cargo Lift

Restaurant

Which of the following establishments would use a Dumbwaiter primarily to transport goods.

• Restaurant

• Hotel

• Hospital

• Mall

Hospital

Which of the following establishments would use a Freight Elevator primarily to transport goods

Dumbwaiter

Used to carry light cargo and has a height of 1.20M

Water Type

It is a type of portable fire extinguisher for wood, cloth, coal, plastics, paper and textile.

motor and pump with tank

How does a Hydraulic Elevator function?

Cable

How does an Electric Elevator function?

Elisha Graves Otis

Who invented the first safety Elevator brakes 1852?

Passive

A type of fire fighting systems that are integral to the architectural and structural elements of the building.

Plunger

It is the inside movable part of a hydraulic jack

Class D (K)

It is a class of fire wherein it involves the fire risk of combustible metals.

Centrifugal Fans

These are intended for moving air at comparatively high pressures and are commonly used in duct systems.

Decrease Ceiling Height

Which among the considerations will best increase the efficiency in air conditioning?

0.60m

Minimum depth of an elevator pit

Hydraulic Elevator

What type of elevator is usually used for low rise buildings where speed is not a main consideration?

Lift

Another term for an Elevator

Machine room-less elevator

Uses a permanent magnet synchronous gearless drive unit installed inside of the shaft

Upright Sprinkler

A type of fire sprinkler wherein the heads project upwards into an open ceiling and have deflectors that spray water downwards.

Safeties

A large clamp that anchors the car to the building

Gearless Traction

Another term for spun and worm used for high-rise buildings

Thermostat

It is a controller which responds to changes in temperature.

Geared Traction

Another term for gear and worm used for mid-rise buildings

30°

Maximum angle of inclination for an escalator

Exhaust Fan

If the room is humid and has low natural ventilation, what is the most economical solution?

Truss

The welded steel frame which act as the structural component of an escalator

Top Sprocket

Where is the main drive gear of an escalator located?

one

An electric motor shall not drive more than _____ escalator.

Duct

These are are usually of galvanized sheet metal, or aluminum sheets, usually rectangular in section, depending on the aspect ratio*, although circular ducts are also used for high velocity systems.

Top of the Wall

Where would you locate a Window Type Aircon?

Top Sprocket

Where is the Drive Machine of an escalator located?

Balustrade

It is the harness placed at both sides of the escalator steps

Endless Belt

This connects the bottom sprocket to the top sprocket

Track

What do you call the steps of an escalator?

Emergency Brake

This temporarily stop the escalator to prevent further accident

Stacked Parallel

Less expensive arrangement of escalator

Stacked Parallel

An arrangement of escalator used for transportational building

12°

The angle of an inclination for a moving ramp

Heating, Ventilation, and Air Conditioning

What does HVAC stand for in the context of building systems?

Elevator

A type of vertical transport equipment that efficiently moves people or goods between floors (levels, decks) of a building, vessel or other structures.

Scissors Lift

These lifts are self-contained and can be easily moved to where they are needed.

Walkalator

Conveyor used in airports

fan, ductwork, air filters, controls

What are the main components of a mechanical ventilation system?

Freon

It is a type of refrigerant used in cooling.

ACCU

It is fitted outside the room, houses components like the compressor, condenser and expansion valve.

250m

Maximum linear length of a moving walk