Worksheets📝 [MP] QB ID 020603 ❚ Practice Problems 03
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
Copper tube shall not be used for piping carrying chemicals or industrial.
a)
False
b)
True
c)
May be
d)
None of the above
2.
Type of copper pipe that can be used in water piping when installed aboveground or a top the building or underground outside the structures with outside protective coating.
a)
Type K
b)
Type L
c)
Type M
d)
Type DWV
3.
Width of color code marking for copper tubing.
a)
6.3 mm
b)
6.4 mm
c)
6.5 mm
d)
6.0 mm
4.
Listed flexible copper water connectors shall be installed in _____ locations, unless otherwise listed.
a)
Confined
b)
Indoor
c)
Outdoor
d)
Exposed
5.
Lead used for flashings or vent terminals not less than _____ and 1.2 thick.
a)
14.63 kg/m²
b)
14.50 kg/m²
c)
14.53 kg/m²
d)
14.73 kg/m²
6.
Caulking ferrule materials shall be of the best quality.
a)
Red cast iron
b)
Bronze
c)
Copper
d)
All of the above
7.
What is the minimum weight of caulking ferrule for 2” pipe?
a)
0.454 kg
b)
0.452 kg
c)
0.544 kg
d)
0.445 kg
8.
What is the minimum weight of bushing 4” diameter?
a)
1.586 kg
b)
1.865 kg
c)
2.586 kg
d)
2.856 kg
9.
Materials for soldering nipples.
a)
Bronze
b)
Copper
c)
Heavy cast red brass
d)
All of the above
10.
Diameter of closet rings or closet flanged for water closet.
a)
178 mm
b)
175 mm
c)
176 mm
d)
200 mm
11.
Caulk-on closet rings or closet flanges shall not be less than 6.4 mm thick and not less than _____ in overall depth.
a)
75 mm
b)
51 mm
c)
100 mm
d)
76 mm
12.
Drainage fittings shall be screw jointed of the drainage type having smooth interior waterway and be installed so as to _____ mm/m grade.
a)
20.9
b)
21.9
c)
19.9
d)
25
13.
Which of the following is the minimum size of supply pipe for a shower head.
a)
25 mm
b)
19 mm
c)
10 mm
d)
13 mm
14.
A cylindrical trap commonly used on the drain pipes of bathtubs and bidet.
a)
Running trap
b)
P-trap
c)
Bell trap
d)
Drum trap
15.
Which joint type is commonly used on galvanized steel pipe?
a)
Soldered Joint
b)
Screwed Joint
c)
Welded Joint
d)
Solvent Cement Joint
16.
PPR stands for ___, which is commonly used on water supply piping.
a)
Polypropylene Return
b)
Polypropylene Return
c)
Polypropylene Round
d)
Polypropylene Resin
17.
What type of vent is used in conjunction with loop vent?
a)
Unit Vent
b)
Circuit Vent
c)
Individual Vent
d)
Back Vent
18.
Which fitting is used in joining galvanized steel pipe with plastic pipe?
a)
Coupling
b)
Union
c)
Tee
d)
Adapter
19.
Expansion loop is used in what kind of piping system.
a)
Storm Drainage
b)
Cold Water Supply
c)
Hot Water Supply
d)
Vent Piping
20.
Which of the following has the highest frictional coefficient?
a)
Gate Valve
b)
Globe Valve
c)
Ball Valve
d)
Check Valve
21.
Each grease trap shall have an approved water seal of not less than _____ in depth or the diameter of its outlet whichever is greater.
a)
25 mm
b)
51 mm
c)
38 mm
d)
102 mm
22.
A water closet flushing design wherein flushing is activated by a whirlpool-like action of water.
a)
Wash down
b)
Siphon jet
c)
Pail flush
d)
Siphon vortex
23.
A circuit vent may vent up to _____.
a)
4
b)
6
c)
8
d)
10
24.
What type of bacteria requires no oxygen for their action in the decomposition of sewage
a)
Aerial bacteria
b)
Anaerobic bacteria
c)
Aerobic bacteria
d)
None of the above
25.
It is a type of elbow with a third opening perpendicular to the plain of the run.
a)
Three-outlet elbow
b)
Side-outlet elbow
c)
Branched elbow
d)
Tri-axial elbow
26.
Interceptor or clarifiers for sand and similar heavy solid shall have a water seal of not less than?
a)
152 mm
b)
102 mm
c)
51 mm
d)
205 mm
27.
205 mm
a)
High rise building
b)
Resorts
c)
individual dwelling units
d)
Condominium
28.
Water closet for public use shall be elongated bowl types and with _____.
a)
Open front seats
b)
Open side seats
c)
Dual seat
d)
Closed front seats
29.
A self sealing gasket is found in a _____.
a)
Screwed joint
b)
Full face flange
c)
Victaulic coupling
d)
Mechanical connection
30.
All pipes passing through of under cinders or other corrosive materials shall be protected from external corrosion by encasing with _____.
a)
Jute sack
b)
Polyethylene sheath
c)
Polyvinyl sheath
d)
Propylene sheet
31.
What valve is required ahead of each water supplied appliance slip joints or supply piping for non-metallic fixture and appliance.
a)
Flow valve
b)
Angle valve
c)
Control gate valve
d)
Check valve
32.
The maximum distance between manholes should not exceed _____.
a)
91 m
b)
81 m
c)
71 m
d)
61 m
33.
Which of the following is considered sudsproducing fixture/appliance?
a)
Bathtubs
b)
Kitchen sink
c)
Washing machine
d)
All of the these
34.
A pipe which makes an angle of more than 45 degrees from the vertical axis is considered.
a)
Horizontal pipe
b)
Vertical pipe
c)
Sloped pipe
d)
Diagonal pipe
35.
Diameter of an individual vent shall not be less than 32mm nor less than ___ the diameter of the drain it connects.
a)
one-fourth
b)
one-half
c)
one-third
d)
one-fifth
36.
What particular section which mention that the practice of RMP is limitless in pursuant to RA 1378.
a)
Section 102.1
b)
Section 102.3
c)
Section 102.2
d)
None of the above
37.
A gas that are produced inside the septic tank that is a by-product of methane, classified as poisonous gas.
a)
Methane
b)
Carbon monoxid
c)
Hydrogen disulfide
d)
Hydrogen sulfide
38.
It is caused by anaerobic bacteria which is sometimes referred to as putrefaction accompanied by bad odors.
a)
Decomposition
b)
Stabilization
c)
Digestion
d)
Sedimentation
39.
A horizontal screwed pipe having a size 19 mm and smaller in diameter shall be supported approximately?
a)
1.5 m
b)
1.2 m
c)
1m
d)
3 m
40.
A horizontal screwed pipe having a size 25 mm and larger in diameter shall be supported approximately?
a)
1.5 m
b)
1.2 m
c)
3.0 m
d)
3.6 m
41.
A horizontal copper tubing having a size 38 mm and smaller in diameter shall be supported approximately?
a)
1.5 m
b)
1.8 m
c)
3.0 m
d)
3.6 m
42.
A horizontal copper tubing having a size 51 mm and larger in diameter shall be supported approximately?
a)
1.5 m
b)
1.8 m
c)
3.0 m
d)
3.6 m
43.
Except when specially approved by the administrative, grease trap shall be installed for facility that has approved rate flow of not less than_____ and more than_____.
a)
1.3 lps to 5 lps
b)
1.3 lps to 3.4 lps
c)
1.3 lps to 2.5 lps
d)
None of the above
44.
Grease trap shall be required in an establishments except:
a)
Private living quarters
b)
Café
c)
Bars and clubs
d)
Hotel
45.
It shall be designed that the flow through such device or devices shall at no time be greater than the rated capacity of the grease trap.
a)
Flow control devices
b)
Grease interceptor
c)
Backwater valve
d)
Check valve
46.
No water jacketed grease trap or grease interceptor shall be approved or installed.
a)
True
b)
False
c)
May be
d)
None of the above
47.
An approved type grease trap may be used as a fixture outlet and the grease trap for a single fixture when the horizontal distance between the fixture outlet and the grease trap does not exceed _____ and the vertical tailpipe or drain does not exceed _____.
a)
1.2 m, 0.75 m
b)
1.5 m, 0.60 m
c)
1.8 m, 0.75 m
d)
1.0 m, 0.50 m
48.
The term that shall mean and include each plumbing fixture, appliance, apparatus or other equipment required to be connected to or discharged into a grease trap.
a)
Fixture
b)
Drain
c)
Interceptor
d)
Trap
49.
Slaughter houses and packing establishment from which considerable amount of grease and hair feather s are likely to be discharge into the plumbing system shall be connected grease interceptor through?
a)
separator
b)
screening device
c)
a pit
d)
classifier
50.
The develop length between the trap of a water closet or similar fixture measured from the top of a closet ring (closet flange) to inner edge of vent shall not exceed?
a)
1.5 m
b)
1.8 m
c)
1.2 m
d)
1.0 m
51.
<p>No cleanout required for trap arms 76 mm in diameter, the change of direction not exceeding?</p>
a)
22 1/2°
b)
30°
c)
45°
d)
90°
52.
A valve that shall remain sufficiently open during periods of flow to avoid screening of solids and fibrous materials and shall not restrict capacities or cause excessive turbulence during peak loads.
a)
Backwater valve
b)
Check valve
c)
PRV
d)
DC
53.
Valves up to and including 51 mm in size shall be all?
a)
Brass
b)
Copper
c)
Cast bronze
d)
Lead
54.
A valves sizes 102 mm or larger in diameter shall have?
a)
Cast iron
b)
Brass
c)
Bronze metal
d)
Cast brass
55.
A kind of joints that shall be accessible except for vent and stacks, and is used in soil and waste stacks to provide for necessary contraction joints of the pipes for high rise buildings.
a)
Expansion joints
b)
Wiped joints
c)
Slip joints
d)
Ground joint
56.
Factory made screw and of PVC adaptor fittings are acceptable for use if thickness to?
a)
Schedule 10
b)
Schedule 40
c)
Schedule 80
d)
Schedule 160
57.
Food waste from restaurant and commercial or industrial sink shall be connected in?
a)
serve by a single trap
b)
separate trap
c)
combine trap
d)
none of the above
58.
Yoke vent connection with the vent stack shall have a minimum distance above the finish floor level of not less than?
a)
1.0 m
b)
1.5 m
c)
0.5 m
d)
1.2 m
59.
Joints in vitrified clay pipe or between such pipe and metal pipe shall be joined with _____ for hub and spigot.
a)
Neoprene gasket
b)
Coupling
c)
Compression gasket
d)
Union patente
60.
Joints for hubless cast iron soil pipe and fittings shall conform to appropriate _____ Installation Standards and shall not be considered as slip joints.
a)
IAPMO
b)
ASTM
c)
AWWA
d)
ANSI
61.
Screwed pipe to Cast iron pipe shall be either caulked or threaded joints shall be made with approved?
a)
Adapter fittings
b)
Coupling
c)
Shielded coupling
d)
Union patente
62.
It is recommended for oil handling piping works in elastomeric gasketed and rubbering-ring joints that comply with the applicable IAPMO Installation Standard.
a)
Neoprene gasket
b)
Coupling
c)
Shielded coupling
d)
Union patente
63.
The inlet and outlet pipe connections of manholes shall be made by the use of _____ no closer than 0.30 meter from outside of the manhole.
a)
Neoprene gasket
b)
Flexible compression joints
c)
Shielded coupling
d)
Compression gasket
64.
Cleanouts installed under concrete or asphalt paving shall be made accessible by _____ with hinged cover or extending the top cover with counter
a)
Strong yard boxes
b)
Polyethylene sheath
c)
Drain field
d)
Flashing
65.
Additional building sewer cleanouts shall be installed not to exceed 15 meter on center in straight runs and for each aggregate change in direction exceeding _____.
a)
90°
b)
135°
c)
180°
d)
360°
66.
It must be periodically removed and properly disposed off to some approved off-site location shall be installed when required by the Administrative Authority or the Health Officer.
a)
Wastewater holding tank
b)
Sump pit
c)
Cistern
d)
Central sewage manhole
67.
No _____ shall be connected to a private or public sewage disposal system unless permission has first been obtained from Administrative Authority
a)
Commercial food waste grinder
b)
Aircon Wastewater
c)
Factory Wastewater
d)
Industrial Wastewater
68.
No permit shall be issued for the installation, alteration or repair of any private sewage disposal system or part thereof for any lot which can connect with an existing public sewer fronting the lot.
a)
True
b)
False
c)
May be
d)
Need for approval to AA
69.
The sizing data for vertical conductors, leaders, and drains is based on the pipes flowing _____.
a)
2/3 full
b)
7/24 full
c)
1/3 full
d)
Whole full
70.
It shall have at least the same cross-sectional area as its equivalent round pipe, except that the ratio of its side dimensions shall not exceed 3 to 1.
a)
Rectangular pipe
b)
Square pipe
c)
Full circle
d)
Semi-circle
71.
Vertical piping may be round, square, or rectangular.
a)
True
b)
False
c)
Maybe
d)
Depends approval of AA
72.
It is a sanitary sewer that conveys sanitary waste to a dispersal plant which pipes are laid underground to a minimum depth of about 3 meters depending upon the natural contour of the ground.
a)
Intercepting/trunk line sewer
b)
Tributary/contributing sewer
c)
Storm drain
d)
Street sewer
73.
It is classified as an intercepting sewer branch where pipe is made of either vitrified clay or concrete pipe laid in an open trench. It is generally smaller in diameter installed not more than 3 meters below the street grade and terminate into the intercepting sewer.
a)
Intercepting/trunk line sewer
b)
Tributary/contributing sewer
c)
Storm drain
d)
Street sewer
74.
It refers to the pump that will discharge waste in the sump and transfer it to the house drain installed overhead. It is necessary when the public sewer line was installed at a depth from 2 to 4 meters below the street level.
a)
Sewage ejector
b)
Catch basin
c)
Sump
d)
Gutter
75.
What is the maximum percentage of the suspended solid of the sewage is removed largely by sedimentation to form a semi-liquid substance.
a)
70%
b)
80%
c)
60%
d)
50%
76.
It is a type of gate valve that is used where the stems must be installed pointing downward.
a)
Wedged shape
b)
Double disc valve
c)
Plug type disc valve
d)
Conventional disc valve
77.
Type of gate valve that closes in the same manner of wedged type, except that its parallel faces drop in a vertical position and are forced apart by the disc spreader. This type of valve is used in cold liquid and sewage disposal installation.
a)
Wedged shape
b)
Double disc valve
c)
Plug type disc valve
d)
Conventional disc valve
78.
It is a globe valve type that has a wide bearing surface producing good resistance to the cutting effects of scale, dirt and other kind of foreign matter found inside the pipe.
a)
Wedged shape
b)
Double disc valve
c)
Plug type disc valve
d)
Conventional disc valve
79.
It is a globe valve type that has a pressure tight bearing between disc and the seat recommended for cold water and any temperature services.
a)
Wedged shape
b)
Double disc valve
c)
Plug type disc valve
d)
Conventional disc valve
80.
It is globe valve type valve that is used for various types of service on oil, gasoline, steam, and hot or cold water.
a)
Wedged shape
b)
Composition disc valve
c)
Double disc valve
d)
Plug type disc valve
81.
Sometimes called as retention valve.
a)
Foot valve
b)
Float ball
c)
Gate valve
d)
Globe valve
82.
It is a valve that is used on cold water systems, heating systems, compressed air lines and other pipelines with excessive pressure.
a)
Globe valve
b)
Safety valve
c)
Butterfly valve
d)
OS & Y valve
83.
In hot water supply system, where the large pipe of the installation is installed at the top of the riser, and the diminishing pipe sizes passes through the lower floors.
a)
Overhead feed system
b)
Up-feed system
c)
Air pressure system
d)
Pump circuit system
84.
In hot water supply system, where the large pipe is installed at the bottom of the riser and the diminishing sizes passes through the upper floors of the building.
a)
Overhead feed system
b)
Up-feed system
c)
Air pressure system
d)
Pump circuit system
85.
It is a system where it is recommended for large building where difficulty of providing natural circulation of hot water is encountered. A used of mechanical device (centrifugal pump) used to circulate hot water to the plumbing fixtures.
a)
Overhead feed system
b)
Up-feed system
c)
Air pressure system
d)
Pump circuit system
86.
Type of water heating system where water is confined within a system at low temperature.
a)
Hot water space heating system
b)
Hot water supply system
c)
Hot water bathing system
d)
Hot water sauna system
87.
It is a type of water heating system where water is not in a closed system which operates on much higher temperature.
a)
Hot water space heating system
b)
Hot water supply system
c)
Hot water bathing system
d)
Hot water sauna system
88.
It is a kind of water closet in shape where it is intended for installation on a limited space.
a)
Squat type
b)
Round type
c)
Elongated type
d)
Wash down type
89.
It is a kind of water closet in shape where it is more comfortable but occupies space, and has a large amount of standing water inside the bowl that is more sanitary and easier to maintain.
a)
Squat type
b)
Round type
c)
Elongated type
d)
Wash down type
90.
It is the cheapest, the smallest, and the smallest form of water closet designed without water tank.
a)
Squat type
b)
Pail flush type
c)
Wash down type
d)
Direct flush type
91.
It considers the building density in the locality and the flammability of the structures and its contents.
a)
Fire Code
b)
Building Code
c)
NFPA
d)
Plumbing Code
92.
Is a pipe installed in buildings not as part of the water supply or disposal system, but primarily for use as water conveyance in case of fire.
a)
Standpipe
b)
Wet pipe
c)
Dry pipe
d)
Fire hose
93.
The spacing of sprinkler heads depends upon the following conditions, except:
a)
Fire rating of the building
b)
Types of occupancy
c)
Total area
d)
Fire exit availability
94.
It is defined as a receptacle used to catch surface water drained from cemented courts, driveways, and athletic fields.
a)
Yard catch basin
b)
Garage catch basin
c)
Drop inlet
d)
Culvert
95.
Description of the wall thickness of a rigid K copper pipes.
a)
Heavy duty
b)
Medium duty
c)
Annealed
d)
Hard drawn
96.
Description of the wall thickness of a rigid L copper pipes.
a)
Heavy duty
b)
Medium duty
c)
Annealed
d)
Hard drawn
97.
Description of the wall thickness of a rigid DWV copper pipes.
a)
Heavy duty
b)
Medium/Light duty
c)
Annealed
d)
Hard drawn
98.
Commercial standard length of a Cast iron hub type.
a)
1.5 m
b)
3.0 m
c)
4.0 m
d)
5.0 m
99.
Commercial standard length of a Cast iron hubless type.
a)
1.5 m
b)
3.0 m
c)
4.0 m
d)
5.0 m
100.
Commercial standard length of a ductile cast iron.
a)
6.0 m
b)
3.0 m
c)
4.0 m
d)
5.0 m
100 %
