Commercial Uses and Temperature Requirements

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What fixtures use both hot and cold water?

Lawn sprinkler systems

Fire sprinkler systems

Kitchen sink (correct)

Septic Tanks

What is the purpose of the water supply system?

Provides pressure from water mains or pumped wells

Channels all the waste downward through the building to the sewer below

Supplies hot and cold water to fixtures in the building

Delivers clean water to buildings (correct)

What is the process of getting all the pipes installed, capped, and pressure tested before actual fixtures are installed called?

Roughing-in (correct)

Sweating

Compression

Condensation

What is used to prevent condensation on cold water pipes and to keep heat from adjacent warm spaces from warming the water in the pipes?

Insulation Signup and view all the answers

What is the term for the hot water used for bathing, washing dishes, and other domestic purposes, but not for heating building spaces?

Building service hot water Signup and view all the answers

Which type of pipe is lightweight, low-cost, corrosion resistant, and easy to work with?

Plastic Pipes: Polyvinyl chloride (PVC) / Chlorinated PVC Signup and view all the answers

When hot and cold water pipes run parallel to each other, what should be the minimum distance between them to prevent heat exchange?

15 cm Signup and view all the answers

What is the minimum temperature required for a sanitising rinse in a commercial dishwasher or laundry?

82°C Signup and view all the answers

What is the purpose of a trap in plumbing fixtures?

To prevent sewer gases from entering the building Signup and view all the answers

How are waste plumbing lines sized?

Based on the total number and types of fixtures they serve Signup and view all the answers

Why are right angles avoided when angling waste piping?

To prevent clogging in the pipes Signup and view all the answers

What is a common arrangement for bathrooms and kitchens in multi-level apartment buildings?

Above and below each other Signup and view all the answers

Solar water heaters can only be beneficial in warm climates.

False Signup and view all the answers

Steel pipes are twice as expensive as copper pipes, but last twice as long.

False Signup and view all the answers

Pipes in the Water Supply System tend to be larger than the ones in the Sanitary System

False Signup and view all the answers

Domestic hot water is also used for heating building spaces.

False Signup and view all the answers

Plumbing can be hidden in the plenum space of buildings.

True Signup and view all the answers

Every fixture that is attached to the sanitary system must have a trap.

True Signup and view all the answers

If a fixture isn't used often, the water in the trap may evaporate.

True Signup and view all the answers

Interior Designer are the ones responsible for identifying the size of the pipes in the waste plumbing lines based on the location in the system and the total number and types of fixtures they serve.

False Signup and view all the answers

Arranging bathrooms and kitchens back-to-back allows the piping assembly to pick up the drainage of fixtures on both sides of the wall, and is therefore more efficient than when the kitchen and bathroom are placed further away from each other.

True Signup and view all the answers

It is possible to drain sanitary pipes directly into the ocean.

False Signup and view all the answers

Match the following plumbing system components with their function:

Mixer = blends hot and cold water Septic Tank = A way of treating sewage in rural areas Plenum space = Used to hide building system, including plumbing Sewer = Receives waste from fixture Signup and view all the answers

Match the following pipe materials with their characteristics in plumbing systems:

Copper pipes = Twice as expensive as steel pipes but last twice as long PVC pipes = Lightweight, low-cost, corrosion resistant, easy to work with Steel pipes = Twice as expensive as copper pipes but last twice as long Cast iron pipes = Common in larger waste piping Signup and view all the answers

Match the following plumbing system components with their function/characteristic:

Trap = Preventing sewer gases from entering the building Vent = Allowing air into the waste piping to prevent vacuum and maintain normal pressure Gray water = wastewater that is not from toilets or urinals. It comes from sinks, baths, and showers Black water = water with toilet or urinal waste Signup and view all the answers

Why is it common to arrange bathrooms and kitchens back-to-back in buildings?

To save space and reduce plumbing costs Signup and view all the answers

What is the purpose of a vent in a plumbing system?

To prevent siphoning of water from traps Signup and view all the answers

Which of the below statement is FALSE about water heaters?

cannot be insulated Signup and view all the answers

Which of the houses shown in the image have the most ideal orientation for the solar panels of the roof top?

Badriya’s House Signup and view all the answers

Why is it common to arrange bathrooms and kitchens back-to-back in buildings?

To minimize the length of the waste piping Signup and view all the answers

Copper pipes are the most common pipes used in the Water Supply System in the UAE

False Signup and view all the answers

Plumbing pipes can be hidden in the plenum space of buildings.

False Signup and view all the answers

Sanitary System have to use pumps to create enough pressure in the pipes to move the waste water from the fixtures to the sewage

False Signup and view all the answers

Shutoff Valves are used to control the flow of water in Water Supply Systems and can be used to close off the water supply in an area or fixture.

True Signup and view all the answers

What is the purpose of the sanitary or drain, waste, and vent system in a building's plumbing?

To channel all the waste downward through the building to the sewer below Signup and view all the answers

Where are piping located in large buildings with many fixtures to hide them?

Pipe chases Signup and view all the answers

What is a characteristic of high-efficiency water heaters compared to traditional ones?

They are better insulated and use less energy Signup and view all the answers

Commercial Uses and Temperature Requirements

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Questions and Answers

What fixtures use both hot and cold water?

What is the purpose of the water supply system?

What is the process of getting all the pipes installed, capped, and pressure tested before actual fixtures are installed called?

What is used to prevent condensation on cold water pipes and to keep heat from adjacent warm spaces from warming the water in the pipes?

What is the term for the hot water used for bathing, washing dishes, and other domestic purposes, but not for heating building spaces?

Which type of pipe is lightweight, low-cost, corrosion resistant, and easy to work with?

When hot and cold water pipes run parallel to each other, what should be the minimum distance between them to prevent heat exchange?

What is the minimum temperature required for a sanitising rinse in a commercial dishwasher or laundry?

What is the purpose of a trap in plumbing fixtures?

How are waste plumbing lines sized?

Why are right angles avoided when angling waste piping?

What is a common arrangement for bathrooms and kitchens in multi-level apartment buildings?

Solar water heaters can only be beneficial in warm climates.

Steel pipes are twice as expensive as copper pipes, but last twice as long.

Pipes in the Water Supply System tend to be larger than the ones in the Sanitary System

Domestic hot water is also used for heating building spaces.

Plumbing can be hidden in the plenum space of buildings.

Every fixture that is attached to the sanitary system must have a trap.

If a fixture isn't used often, the water in the trap may evaporate.

Interior Designer are the ones responsible for identifying the size of the pipes in the waste plumbing lines based on the location in the system and the total number and types of fixtures they serve.

Arranging bathrooms and kitchens back-to-back allows the piping assembly to pick up the drainage of fixtures on both sides of the wall, and is therefore more efficient than when the kitchen and bathroom are placed further away from each other.

It is possible to drain sanitary pipes directly into the ocean.

Match the following plumbing system components with their function:

Match the following pipe materials with their characteristics in plumbing systems:

Match the following plumbing system components with their function/characteristic:

Why is it common to arrange bathrooms and kitchens back-to-back in buildings?

What is the purpose of a vent in a plumbing system?

Which of the below statement is FALSE about water heaters?

Which of the houses shown in the image have the most ideal orientation for the solar panels of the roof top?

Why is it common to arrange bathrooms and kitchens back-to-back in buildings?

Copper pipes are the most common pipes used in the Water Supply System in the UAE

Plumbing pipes can be hidden in the plenum space of buildings.

Sanitary System have to use pumps to create enough pressure in the pipes to move the waste water from the fixtures to the sewage

Shutoff Valves are used to control the flow of water in Water Supply Systems and can be used to close off the water supply in an area or fixture.

What is the purpose of the sanitary or drain, waste, and vent system in a building's plumbing?

Where are piping located in large buildings with many fixtures to hide them?

What is a characteristic of high-efficiency water heaters compared to traditional ones?

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