BUILDING UTILITIES QUIZ #3

56,700 liters

Based on the Plumbing Design Problem No. 3, compute the Average Day Demand.

Jet Pumps

Which if the following is not part of the components of a Centralized System.

• Water Heater

• Circular Pump

• Thermostat

• Jet Pumps

Escutcheon

It is a flange or circular disc on a pipe which is used to cover a hole in a wall or floor through which the pipe passes.

Pressure Tank

Identify Figure 3 – Item 05.

204,750 liters

Based on the Plumbing Design Problem No. 1, compute the Maximum Day Demand.

Pipe Vise

It is one of the most important tools in plumbing wherein it is used to clamp the pipe in place.

562.50 liters/min

Based on the Plumbing Design Problem No. 1, compute the Maximum Hour Demand of the restaurant at the second-floor level.

Shower Head

Identify Figure 2 – Item 03.

Angle Valve

Identify Figure 4 – Item 03.

5 WC

Compute the total Water Closets required for a “Restaurant” Male Toilet with total occupants of 650 persons.

1,050 persons

Based on the Plumbing Design Problem No. 1, compute the total Design Population.

7.50 cu.m.

12. A fast-food restaurant that serves breakfast, lunch and dinner has a maximum seating capacity of 50 people per meal. With the recent water supply problems, the owner wanted to install a tank for 2 days’ worth of operation. Determine the capacity of water tank if the Average Water Consumption per customer is 25L.

Thermostat

In a centralized system, it is a device for controlling and regulating temperature in water heaters.

Water Pump

Identify Figure 3 – Item 04.

Fusion Weld

A type of pipe joint used in joining PPR Pipes and HDPE Pipes.

708.75 liters/min.

Based on the Plumbing Design Problem No. 3, compute the Maximum Hour Demand in liters per minute. Use 2.5 multiplier for > 600 persons and use 3.0 multiplier for < 600 persons.

Reducer (Eccentric)

Identify Figure 4 – Item 10.

Water Meter

Identify Figure 1 – Item 03.

13 UR

Compute the total urinals required for an “Office or Public Buildings – For Employee Use” with total occupants of 650 persons.

Pipe Reamer

This type of tool is used for cleaning the burrs on a GI or steel pipes after threading or cutting.

Circulating Pump

In a water heating system, which component is primarily responsible for returning unused hot water back to the water heater.

1,800 liters

In urban area, the average human water consumption is 150 liters per capita per day. If a household has a total of 6 occupants, determine the capacity of the water tank if they need to store water for 2 days at most.

82.50 cu.m.

Based on the Plumbing Design Problem No. 1, compute the volume of water tank required for the Restaurant and Rentable Office Spaces.

Maximum Hour Demand

It is the hour of the day wherein the water demand is at its maximum.

14,256 liters

Based on the Plumbing Design Problem No. 2, compute the volume of water tank if the Client decided to have at least 1.5 days of water storage.

Teflon Tape

This is used in plumbing for sealing threaded joints in GI Pipes.

17 wsfu

Based on the Plumbing Design Problem No. 2, compute the total WSFU of T&B 1 and 2.

Submersible Pump

Which type of pump is designed to operate while fully submerged in the liquid it is pumping?

Meter Stand

Identify Figure 1 – Item 01.

75,000 liters

Based on the Plumbing Design Problem No. 1, compute the Average Day Demand of the Supermarket.

Valves

These are devices used in the plumbing system to control and regulate the flow of water.

Elbow

Identify Figure 2 – Item 02.

Check Valve

Identify Figure 4 – Item 05.

73,710 liters

Based on the Plumbing Design Problem No. 3, compute the Maximum Day Demand.

Direct Upfeed System

A type of water distribution which is highly dependent on the volume and pressure of water directly from the supplier such as MCWD (for Metro Cebu).

67,500 liters

Based on the Plumbing Design Problem No. 1, compute the Average Day Demand of the Restaurant.

Reducer (Concentric)

Identify Figure 4 – Item 09.

11 wsfu

Based on the Plumbing Design Problem No. 2, what is the total WSFU of the Master’s Bedroom Toilet and Bath?

What is the reason that architects should know how to compute the size and capacity of water tanks.

• To pre-determine the size and dimensions for space allocation.

• To pre-determine the weight for structural integrity (if overhead tank)

• To verify if water storage is the appropriate amount for the project.

• All of them

From Water Main

Identify Figure 3 – Item 01.

20 UR

Compute the total urinal required for a “School – For Staff Use” with 1,000 occupants.

Basin Wrench

A type of wrench that is designed to reach awkward spaces such as mounting the bolt and nuts in a faucet.

Average Day Demand

It is the sum of the daily water demands in one year divided by the number of days of that year.

Tee

Identify Figure 4 – Item 08.

37 WC

Compute the total water closets (male and female) required for an “Office or Public Buildings – For Employee Use” with total occupants of 650 persons.

Maximum Day Demand

It is the day with the highest water demand which usually occurs during dry season.

20 LAV

Compute the total Lavatory (male and female) required for an “Office or Public Buildings – For Employee Use” with total occupants of 400 persons.

378 persons

Based on the Plumbing Design Problem No. 3, compute the total Projected Design Population.

Red

A pipe color code for Fire Quenching Fluids.

6,750 liters

A restaurant that serves lunch and dinner has a maximum seating capacity of 75 people per meal. With the recent water supply problems, the owner wanted to install a tank for a day and a half worth of operation. Determine the capacity of water tank if the Average Water Consumption per customer is 30L.

Union (Threaded)

Identify Figure 4 – Item 06.

Water Meter

Identify Figure 3 – Item 02.

9,504 liters

Based on the Plumbing Design Problem No. 2, compute the total volume of Water Tank Required.

Single Point Decentralized System

A type of hot water systems that uses 1 Heating Device and is connected to 1 Plumbing Fixture only.

44 wsfu

Based on the Plumbing Design Problem No. 2, compute the total WSFU.

Shower Valve

Identify Figure 2 – Item 04.

21 WC

Compute the total water closets (male only) required for an “Office or Public Buildings – For Employee Use” with total occupants of 750 persons.

Meter Stop

Identify Figure 1 – Item 02.

Gate Valve

Identify Figure 4 – Item 01.

11.81 liters/sec

Based on the Plumbing Design Problem No. 3, compute the Maximum Hour Demand in liters per second.

Water Hammer

It is a phenomenon wherein the pipes vibrate, creating noise due to the sudden change of pressure inside the pipe when a faucet is turned off quickly which commonly occurs in installations where water pressure is high.

Union (Flange)

Identify Figure 4 – Item 07.

19,008 liters

Based on the Plumbing Design Problem No. 2, compute the total volume of Water Tank required if the client decided to have at least 2 days of water storage.

Basin Wrench

A type of wrench that is designed to reach awkward spaces such as mounting the bolt and nuts in a faucet.

4.17 liters/sec

Based on the Plumbing Design Problem No.1, compute the total Maximum Hour Demand of the rentable office spaces (in liters/sec).

16 WC

Compute the total water closets (female) required for an “Office or Public Buildings – For Employee Use” with total occupants of 500 persons.

56.70 cu.m.

Based on the Plumbing Design Problem No. 3, what is the total volume of water required (in cu.m.) in sizing the Water Tank?

Storage Tank

Identify Figure 3 – Item 03.

Riser

Identify Figure 3 – Item 06.

1.76 lps

70. Based on the Plumbing Design Problem No. 2, compute the lps.

Risers

Any vertical pipe supplying water to fixtures especially those on the upper floors of a building.

157,500 liters

Based on the Plumbing Design Problem No. 1, compute the Average Day Demand of the whole building.

Tee

Identify Figure 2 – Item 01.

Globe Valve

Identify Figure 4 – Item 02.

Utilize solar energy to heat water through solar collectors.

Which of the following best describes the primary function of a solar water heater?

• Convert sunlight into electricity.

• Utilize solar energy to heat water through solar collectors.

• Uses sunlight to mechanically drive the jet pumps.

• Stores sunlight during the day to provide light at night.