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WorksheetsBuilding Utilities - Plumbing
Total questions: 25
Worksheet time: 13mins
The unit of kinematics viscosity in metric system
Poise
Sq. cm. per sec
Sq. m per sec
None of the above
1 psi is equivalent to a water head of ?
2.31 psi
3.52 psi
2.50 psi
3.96 psi
Used to deliver water at a point higher than the position of the pump itself when the plunger descends, the valve is closed and the water in the cylinder is forced out through the valve and up to the storage.
Pumps
Force pump
Lift pump
Suction pump
Bacteria which has no function in sewage treatment
Non-aerobic bacteria
Pathogenic bacteria
Facultative bacteria
Aerobic bacteria
It is temperature at which vapor forms above liquid fuel
Power point
Fire point
Flash point
Boiling point
The water service is a pipe that extends from the?
Water rise run out to the water tank
Water main to the water tank
Water main to the water meter
Water main to the building
Which of the ff carries waste discharge to the building sewer?
Soil stack
Indirect connection
Building drain
Waste stack
Subsoil water is collected and carried to a
Sanitary sewer
Storm sewer
Sump
River
Which of the ff is not a plumbing fixture
Gravity tank
Roof drain
Booster pump
Floor drain
The code that prescribed regulation on sanitary and industrial plumbing installation inside bldgs and premises is the
PD 1096
PD 1185
RA 1378
RA 1529
What is the height of the handicapped fixtures
18"
16"
20"
13"
Dry standpipes shall have sufficient strength to withstand a water pressure of how much when ready for service?
25 kg/sqcm
20 kg/sqcm
10 kg/sqcm
15 kg/sqcm
The min. size of a fire hose outlet of an interior wet standpipe is
20mm dia.
41mm dia.
25mm dia.
38mm dia.
The trap provision required to restaurant and other establishment where sewage covers large amount of grease prior to discharge to sewer
Drum trap
Grease trap
Catch basin
S-trap
In term of discharge one fixture unit represent the flow rate approx
7.83 gal
7.63 gal
7.48 gal
6.51 gal
It is the pipe extension of a solid waste above the highest horizontal drain connected to the stack
Vent stack thru roof
Local vent
Stack vent thru roof
Loop vent
What is the other name for rain water downspout?
Riser
Leader
Run out
Rain pipe
Which is not a type of water fountain
Wall mounted
Column standing
Free standing
Semi recessed
What is the valve which is an adoption of ball valve?
Butterfly valve
Plug valve
Glove valve
Gate valve
All of the ff are used in a site drainage system except
Drain inlets
Catch basins
Roof drains
Manholes
Minor stoppage form water closet traps can be cleared with plunger, but for more stubborn cligs, use
Closet auger
Sewer snake
Pick out iron
None of the above
What is the pipe pitch necessary to have adequate flow throughout the length and assure through discharge of waste water
¼ in/ft
⅛ in/ft
½ in/ft
⅓ in/ft
Manholes are not required gor the laid drain pipe of this diameter
150 mm
250 mm
300 mm
200 mm
It is arrangement of venting so installed that one vent will serve two trap
Local vent
Wet vent
Unit vent
Relief vent
At the base of a vertical drain, flow enters the horizontal drain at a relatively high velocity, ehat do you call that flow?
Shooting flow
Surging flow
Jumping flow
All of the above
