Practical Problems 1.1

通報

問題一覧

Identify the picture shown.

Elbow

Identify the picture shown.

Upright wye

Identify the picture shown.

Test plug

Identify the picture shown.

Bushing

Identify the picture shown.

Sanitary tee

Identify the picture shown.

Victaulic coupling

This configuration cof sprinkler is called

Upright

It is user in lieu of traditional venting systems that penetrate through roofs.

Air open valve

Identify the figure shown.

Drain tee

Identify the plumbing valve shown

Ball valve

Identify the opening mechanism of the cleanout shown below.

Plug

Identify the picture shown.

Tapped tee

Identify the picture shown.

Combined tee

Is an infected person without apparent disease but is a potential source of infection.

Carrier

Is a science that deals with the interrelationship of the various factors and conditions of an infectious process, disease or physiological state in human community.

Epidemiology

Means by which infectious agents are transported in causing disease. Water, food, insect and inanimate object may be?

Host

A process of first raising the temperature in separate the more volatile from the volatile part and then cooling and condensing the resulting vapor so as to produce a nearly purified substance.

Purification

A hot piece or lump that remains after a material has partially burned, and is still oxidizing without the manifestation of flames.

Fire trap

A building unsafe in case of fire because it will burn easily or because it lacks adequate exits or fire escapes.

Fire point

Any condition or act which increases or may cause an increase in probability of the occurrenge of fire, or which may obstruct, delay, hinder or interfere with firefighting operations and the safeguarding of life and property.

Fire hazard

The minimum temperature at which any material gives off in sufficient concentration to form an ignitable mixture with air.

Fire point

What is that receptacle installed at corner wall that collect rain water from a balcony.

Downspout

A process where a piece of metal is heated prior to change its share of dimensions.

Fire zone

A kind of stable explosive compound which explodes by percussion

Ember

A cabinet where fire hoses, valves and other equipment are stored and arranged for firefighting.

Fire cabinet

A cylindrical device turning or an axis around which a fire hose is wound and connected.

Fire box

Descriptive of any substance that ignites spontaneously when exposed to air.

Vestibule

A passage hack or antechamber between the outer doors and the interior parts of a house or building.

Vestibules

Areas within which only certain types of buildings are permitted to be constructed based on their use or occupancy, type of construction, and resistance to fire.

Fire zone

It shall not be used for toxic fluids or oxygen, flammable liquids or gases aboveground.

Thermoplastics

Pneumatic test pressure shall not be exceed ____ times design pressure.

1.5

Plastic pile with wall thickness less than of schedule 80 shall not be ___.

Screwed

It shall not be used above ground in oil or other flammable liquid service nor in compressed gas service.

PVC

A highest point in the internal cross-section of the trap at the lowest part of the bend.

Top dip

Which of the following is not a type of filtration process for water?

Pressure sand

Which joint type is commonly used on galvanized steel pipe?

Screwed joint

Where does air chamber be installed?

After the valve

How is developed length measured?

Length of the fittings only

Which of the following uses the operating principles of a ball valve?

Compression faucet

Where is the appropriate location of a back vent?

Just below the flood level rim of a fixture

Which water treatment method is used to turn hard water into soft water?

Zeolite process

Which of the following specifically characterize a tapped tee?

None of these

What system of drainage is provided to allow water to seep through a system of perforated pipes?

Seepage pit

Theoretically, which part of the water and distribution system pipe is the largest?

Riser

A hose bib is a kind of faucet with?

Inside thread

Which type of vent may be connected to a branch vent?

Circuit vent

A plumbing unit consists of the following except:

Lavatory

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