WorksheetsPLUMBING
Total questions: 70
Worksheet time: 35mins
Name
Class
Date
1.
the art and technique of installing pipes, fixtures, and other apparatuses in buildings for bringing in the supply of liquids, substances and/or ingredients and removing them; and such
(a)
2.
In 1902, the (a) was duly recognized by the government in the City of Manila.
3.
Master Plumber (a) became the first Chief of the Division of Plumbing Construction and Inspection.
4.
In 1935, the (a) (NAMPAP) was formally organized
5.
Manila City Ordinance 2411, the “ (a) ” was enacted and placed under the Department of Public Services, Manila.
6.
In 1954, the Third Congress approved House Bill No. 962 which in June 18, 1955, became R.A. 1378 “ (a) ” upon ratification of President Ramon Magsaysay.
7.
On (a) , the National Plumbing Code of the Philippines prepared by NAMPAP was promulgated and approved by Malacañang.
8.
Before Martial Law in 1972, Republic Act No. 6541 otherwise known as the “ (a) ” was passed with the “National Plumbing Code of 1959” as referral code in full text.
9.
The Professional Regulation Commission (PRC) adopted the Revised Plumbing Code of 1999 which President Joseph Estrada approved December 21, 1999 pursuant to Section 4 of R.A. 1378 known as the (a) .
10.
The Plumbing Cycle (ssducdt)
(a)
11.
TWO CLASSIFICATIONS OF WATER DISTRIBUTION SYSTEMS
(a)
12.
Water is drawn directly from a surface water source to a receiving well by force of gravity, passing through the filtration plant
(a)
13.
Water is drawn directly from a surface water source to a receiving well by force of gravity, passing through the filtration plant.
No elevated storage is provided; the required distribution pressures are maintained only by pumping facilities.
(a)
14.
It is when the water is drawn from a drilled ground water source distribution by indirect pressure .
A turbine pump is mounted on top of the standpipe down the well below the water table.
(a)
15.
WATER DISTRIBUTION PLANNING
(a)
16.
1) There should be _______________ ________with inferior water systems to enter the distribution system.
a)
protected open reservoir or cross connection
b)
no unprotected open reservoir or cross connection
c)
unprotected open reservoir or cross connection
d)
all of the above
17.
2) The safety and quality of water must be____________ and should not be impaired by defects in the system.
a)
guarded against contamination
b)
guarded against germs
c)
guarded by lebron
18.
2) The safety and quality of water must be____________ and should not be impaired by defects in the system.
a)
guarded against contamination
b)
guarded against germs
c)
guarded by lebron
19.
3) The water system should be ____________. The main and branches connection should not be submerged in surface water, or subjected to any source of contamination
a)
tight against water
b)
tight against leakage
c)
tight against faucet
20.
4) The water system design should have effective circulation of water with _________.
a)
maximum number of dead end mains
b)
no dead end mains
c)
minimum number of dead end mains
d)
dead end mains
21.
5) As much as possible, water main should be laid _________ of concrete sanitary sewers, or crossover points, and at _____________ from such sanitary sewer when they are parallel.
a)
below the elevation, atleast 2 meters horizontally
b)
below the elevation, atleast 3 meters horizontally
c)
above the elevation, atleast 3 meters horizontally
d)
above the elevation, atleast 2 meters horizontally
22.
Refers to the public water connection that are laid underground along the streets where the house service is connected.
a)
HOUSE SERVICE PIPES
b)
RISER PIPES
c)
BRANCHES
d)
WATER MAIN
23.
Refers to the pipe connection from the water main or any source of water supply to the building served
a)
HOUSE SERVICE PIPES
b)
RISER PIPES
c)
BRANCHES
d)
WATER MAIN
24.
Refers to the vertical supply pipe that extends upward from one floor to the next
a)
HOUSE SERVICE PIPES
b)
RISER PIPES
c)
BRANCHES
d)
WATER MAIN
25.
Horizontal pipes that serve the faucets or fixtures
a)
HOUSE SERVICE PIPES
b)
RISER PIPES
c)
BRANCHES
d)
WATER MAIN
26.
All the plumbing fittings are supplied with cold water direct from the mains.
(a)
27.
ADVANTAGES OF DIRECT FROM MAINS
a)
Less pipe work, smaller or no cistern make it cheaper to install.
b)
Drinking water is available at all draw of points
c)
In systems without a cistern there is less risk of water pollution.
d)
all of the above
28.
TYPES OF COLD WATER DISTRIBUTION IN BUILDINGS
(a)
29.
DIRECT FEED
a)
Up-feed by Normal Water Pressure
b)
Upfeed by Air Pressure Down-feed by Gravity
c)
Up-feed by Air Pressure
d)
All of the above
30.
INDIRECT FEED
a)
Up-feed by Normal Water Pressure
b)
Upfeed by Air Pressure Down-feed by Gravity
c)
Up-feed by Air Pressure
d)
All of the above
31.
Water is distributed through normal water pressure from public water mains
a)
Up-feed by Normal Water Pressure
b)
Upfeed by Air Pressure Down-feed by Gravity
c)
Up-feed by Air Pressure
d)
All of the above
32.
Water is distributed through air pressure coming from suction tank for use in all tall buildings that cannot be reached by normal water pressure.
a)
Up-feed by Normal Water Pressure
b)
Upfeed by Air Pressure Down-feed by Gravity
c)
Up-feed by Air Pressure
d)
All of the above
33.
the water is pumped to a large tank on top of the building distributed to the different fixtures by the means of gravity
a)
Up-feed by Normal Water Pressure
b)
Upfeed by Air Pressure Down-feed by Gravity
c)
Up-feed by Air Pressure
d)
All of the above
34.
Normal water pressure refers to the pressure range measured over a period of _____ hours
a)
24
b)
12
c)
8
d)
6
35.
normal water pressure for a residential house ranges from
a)
20-50 psi
b)
10-15 psi
c)
30-40 psi
d)
30-50 psi
36.
storage tanks are installed when normal supply of water from water mains are ________
a)
far
b)
reliable
c)
contaminated
d)
unreliable
37.
Pipe is categorized based on the wall thickness (difference between the outside diameter and the inside diameter), which is termed as ___________.
a)
diameter
b)
schedule
c)
nominal pipe size
d)
logistics
38.
NPS stands for
a)
nominal pipe size
b)
net promoter score
c)
non plastic storage
d)
none of the above
39.
The NPS size represents the approximate________ of the pipe.
a)
outside diameter
b)
diameter
c)
central diameter
d)
inside diameter
40.
The size of water service pipes is based on the maximum and minimum probable water demand, but in no case shall it be less than _____ diameter.
a)
20 mm
b)
200mm
c)
100 mm
d)
30 mmm
41.
A 20mm service pipe can deliver water to the house sufficient to serve up to ______fixtures
a)
5
b)
10
c)
15
d)
20
42.
refers to the resistance produced by the flowing water with the pipe fittings and the interior surface of the pipe.
a)
friction
b)
pressure loss
c)
pipe hammering
d)
pressure surge
43.
____________ refers to the resistance produced by the flowing water with the pipe fittings and the interior surface of the pipe.
a)
pressure loss
b)
pipe hammering
c)
friction
d)
critical pressure
44.
__________ are variations in pressure between the water main and the outlet end of the water service.
a)
pressure loss
b)
pipe hammering
c)
friction
d)
critical pressure
45.
_________ is the maximum and minimum pressure at which proper function of the water supply system is maintained.
a)
pressure loss
b)
pipe hammering
c)
friction
d)
critical pressure
46.
Excessive pressure causes _________ or bursting at pipe joints.
a)
pressure loss
b)
pipe hammering
c)
friction
d)
critical pressure
47.
IS COVERED WITH PROTECTIVE COATING OF ZINC THAT INCREASES ITS LIFE COMPARED TO BLACK PIPE.
a)
COPPER PIPE
b)
GALVANIZED IRON (GI) STEEL PIPE
c)
PLASTIC PIPES
d)
POLYVINYL CHLORIDE (PVC)
48.
COPPER PIPE IS AVAILABLE IN TYPES "K", "L", AND "M". L STANDS FOR.
a)
HEAVY DUTY
b)
STANDARD WEIGHT
c)
LIGHT- WEIGHT
d)
NONE OF THE ABOVE
49.
COPPER PIPE IS AVAILABLE IN TYPES "K", "L", AND "M". M STANDS FOR.
a)
HEAVY DUTY
b)
STANDARD WEIGHT
c)
LIGHT- WEIGHT
d)
NONE OF THE ABOVE
50.
COPPER PIPE IS AVAILABLE IN TYPES "K", "L", AND "M". K STANDS FOR.
a)
HEAVY DUTY
b)
STANDARD WEIGHT
c)
LIGHT- WEIGHT
d)
NONE OF THE ABOVE
51.
IS RIGID AND COMES IN 3M TO 6M LENGTHS. IT IS USED FOR EXPOSED PIPING INSIDE BUILDINGS, WHERE IT CAN BE FIT CLOSELY TO WALLS OR CEILINGS. IT NEEDS VERY LITTLE MECHANICAL SUPPORT TO KEEP IT IN POSITION, COMPARED TO FLEXIBLE TUBING.
a)
SOFT-TEMPERED TUBING
b)
HARD-TEMPERED PIPE
c)
PLASTIC PIPES
d)
FLEXIBLE PIPE
52.
IS EXCELLENT FOR UNDERGROUND USE AND FOR INSIDE EXISTING WALLS IN OLD BUILDINGS.
a)
SOFT-TEMPERED TUBING
b)
HARD-TEMPERED PIPE
c)
PLASTIC PIPES
d)
FLEXIBLE PIPE
53.
IS AVAILABLE IN FLEXIBLE, SEMI-RIGID, AND RIGID FORMS
a)
SOFT-TEMPERED TUBING
b)
HARD-TEMPERED PIPE
c)
PLASTIC PIPES
d)
FLEXIBLE PIPE
54.
IS COMMON FOR UNDERGROUND WATER PIPING BECAUSE OF INSTALLATION EASE AND ECONOMY. IT IS ½” OR MORE IN DIAMETER AND IN COILS OF 100 FEET OR MORE.
a)
SOFT-TEMPERED TUBING
b)
HARD-TEMPERED PIPE
c)
PLASTIC PIPES
d)
FLEXIBLE PIPE
55.
IS NOW COMMON. THE JOINTS OF POLYETHYLENE PIPE USE NYLON OR BRASS FITTINGS AND STAINLESS STEEL CLAMPS AND CLAMP SCREWS.
a)
SOLVENT WELDED, OR GLUED, PVC SEMI-RIGID PIPE
b)
HARD-TEMPERED PIPE
c)
PLASTIC PIPES
d)
FLEXIBLE PIPE
56.
a)
POLYETHYLENE
b)
POLYVINYL CHLORIDE (PVC)
c)
BRASS PIPES
d)
CAST IRON PIPES
57.
IT IS USED FOR SOME HOUSEHOLD COLD WATER PIPES AND DRAINS AND IN SOME PERMANENT IRRIGATION INSTALLATIONS.
a)
POLYETHYLENE
b)
POLYVINYL CHLORIDE (PVC)
c)
BRASS PIPES
d)
CAST IRON PIPES
58.
Is an alloy of copper and zinc. It is widely utilized in and for many household items like locks, bearings, doorknobs and plumbing applications such as tubes such as the one shown below.
a)
POLYETHYLENE
b)
POLYVINYL CHLORIDE (PVC)
c)
BRASS PIPES
d)
CAST IRON PIPES
59.
is popular for city water-distribution systems due to its high resistance to corrosion and consequent long life.
a)
POLYETHYLENE
b)
POLYVINYL CHLORIDE (PVC)
c)
BRASS PIPES
d)
CAST IRON PIPES
60.
POLYETHYLENE HAS A PRESSURE RATING BETWEEN
a)
80-90 PSI
b)
80-100 PSI
c)
80-150 PSI
d)
80-160 PSI
61.
POLYVINYL CHLORIDE (PVC)
THIS RIGID PIPE IS AVAILABLE WITH PRESSURE RATINGS OF_______PSI
a)
50-300
b)
50-315
c)
50-320
d)
50-330
62.
THIS MATERIAL IS SIMILAR TO PVC, BUT IT IS BETTER FOR HANDLING CORROSIVE WATER AT TEMPERATURES 40 TO 60°F ABOVE THE LIMITS FOR OTHER VINYL PLASTICS.
a)
UNPLASTICIZED POLYVINYL CHLORIDE (uPVC)
b)
ACRYLONITRILE BUTADENE STYRENE (ABS)
c)
POLYBUTYLENE (PB)
d)
CHLORINATED POLYVINYL CHLORIDE (CPVC)
63.
THIS PIPE IS SUITABLE FOR BOTH HOT OR COLD WATER LINES. ALTHOUGH THIS TYPE OF PIPE WAS DEVELOPED TO HANDLE HOT WATER, HOWEVER, LIMITATIONS SHOULD BE CHECKED BEFORE INSTALLING.
a)
CHLORINATED POLYVINYL CHLORIDE (CPVC)
b)
ACRYLONITRILE BUTADENE STYRENE (ABS)
c)
POLYBUTYLENE (PB)
d)
UNPLASTICIZED POLYVINYL CHLORIDE (uPVC)
64.
THIS SEMI-RIGID PIPE HAS PRESSURE RATINGS BETWEEN 80 AND 160 PSI, AND IS SUITABLE FOR SEWER PIPE
a)
CHLORINATED POLYVINYL CHLORIDE (CPVC)
b)
ACRYLONITRILE BUTADENE STYRENE (ABS)
c)
POLYBUTYLENE (PB)
d)
UNPLASTICIZED POLYVINYL CHLORIDE (uPVC)
65.
THIS PIPES ARE RIGID. ______ IS USED MORE WIDELY FOR WATER PIPES THAN PVC.ALSO RESISTANT TO A WIDER RANGE OF TEMPERATURES THAN PVC.
a)
CHLORINATED POLYVINYL CHLORIDE (CPVC)
b)
ACRYLONITRILE BUTADENE STYRENE (ABS)
c)
POLYBUTYLENE (PB)
d)
UNPLASTICIZED POLYVINYL CHLORIDE (uPVC)
66.
Cast iron pipe is made of _______. Such pipes are generally made from 5 cm to 120 cm in diameter. Under normal conditions, a cast-iron pipe could be expected to last 100 years.
a)
WOLF IRON
b)
LION IRON
c)
STEEL IRON
d)
PIG IRON
67.
▪ FITTINGS THAT EXTEND OR TERMINATE PIPE RUNS
a)
COUPLINGS
b)
ADAPTERS
c)
CAPS AND PLUGS
d)
ALL OF THE ABOVE
68.
FITTINGS THAT CHANGE A PIPE'S DIRECTION
a)
ELBOWS
b)
WYE
c)
TEE
d)
ALL OF THE ABOVE
69.
FITTINGS THAT CONNECT TWO OR MORE PIPES
a)
ALL OF THE ABOVE
b)
REDUCERS
c)
BUSHINGS
d)
FLEX COUPLINGS
e)
FITTING REDUCERS
70.
PIPE FITTINGS BY MATERIALS
a)
ALL OF THE ABOVE
b)
Brass Cast
c)
Aluminum
d)
Iron
e)
Copper
100 %
