Building Utilities Quiz 06

Primary component of an electric elevator

Cable

Primary component of a hydraulic elevator

Plunger

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

Humidistat

What is the purpose of mechanical ventilation systems in buildings?

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

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

Car

Also known as a Cargo Lift

Freight Elevator

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

Restaurant

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

Hospital

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

Dumbwaiter

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

Water Type

How does a Hydraulic Elevator function?

motor and pump with tank

How does an Electric Elevator function?

Cable

Who invented the first safety Elevator brakes 1852?

Elisha Graves Otis

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

Passive

It is the inside movable part of a hydraulic jack

Plunger

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

Class D

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

Centrifugal Fans

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

Decrease Ceiling Height

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?

Hydraulic Elevator

Another term for an Elevator

Lift

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

Machine room-less elevator

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

Upright Sprinkler

A large clamp that anchors the car to the building

Safeties

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

Gearless Traction

It is a controller which responds to changes in temperature.

Thermostat

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

Geared Traction

Minimum angle of inclination for an escalator

30°

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

Exhaust Fan

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

Truss

Where is the main drive gear of an escalator located?

Top Sprocket

An electric motor shall not drive more than _____ escalator.

one

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.

Duct

Where would you locate a Window Type Aircon?

Top of the Wall

Where is the Drive Machine of an escalator located?

Top Sprocket

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

Balustrade

This connects the bottom sprocket to the top sprocket

Endless Belt

What do you call the steps of an escalator?

Track

This temporarily stop the escalator to prevent further accident

Emergency Brake

Less expensive arrangement of escalator

Stacked Parallel

An arrangement of escalator used for transportational building

Stacked Parallel

The angle of an inclination for a moving ramp

12°

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

Heating, Ventilation, and Air Conditioning

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

Elevator

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

Scissors Lift

Conveyor used in airports

Walkalator

What are the main components of a mechanical ventilation system?

fan, ductwork, air filters, controls

It is a type of refrigerant used in cooling.

Freon

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

ACCU

Maximum linear length of a moving walk

250m