WorksheetsFinal Exam in ME 433 - Part 1A.1 - PC Elements
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
The curb or threshold of a shower compartment may be eliminated _____.
a)
to comply with accessibility standards
b)
for gang showers
c)
in hospitals only
d)
if so desired for safety
2.
Shower water heaters shall be adjusted to deliver hot water with maximum temperature of _____.
a)
32.33°C
b)
25.65°C
c)
60.28°C
d)
48.88°C
3.
Which fixture do not require cleanout on its horizontal drain having a length of less than 1.5 m?
a)
Bathtub
b)
Sink
c)
Urinal
d)
None of the these
4.
ANSI means _____.
a)
American National Standard Institute
b)
Association of National Sewerage International
c)
Authority of National Sanitary Institute
d)
American National Sewerage Institute
5.
Discharge from any fixture which doesn't contain fecal matter.
a)
Waste water
b)
Solid waste
c)
Liquid waste
d)
Water-borne waste
6.
IPS means _____.
a)
Internal Pipe Size
b)
International Plumbing Society
c)
International Piping System
d)
Iron Pipe Size
7.
The bottom of all pipe trenches deeper than the footing of any adjacent building or structure parallel to it must be at least how many degree?
a)
30 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
8.
The recommended hot water supply to a hotel lavatory (private).
a)
2 gph
b)
4 gph
c)
6 gph
d)
8 gph
9.
Wiped lead joints shall have an exposed surface on each side of a joint not less than _____.
a)
19 mm
b)
32 mm
c)
25 mm
d)
51 mm
10.
In hospital wards, 1 bathtub or shower shall be provided per _____.
a)
10
b)
15
c)
20
d)
25
11.
Where a public sewer is available in the area, the owner has the right to construct a private sewage disposal system if he or she so demands.
a)
TRUE
b)
Sometimes
c)
FALSE
d)
It depends
12.
Restaurant and other special use sinks may be made of approved type bonderized and galvanized steel sheet of not less than _____.
a)
Gauge no. 16
b)
Gauge no. 20
c)
Gauge no. 12
d)
Gauge no. 25
13.
No excavation for a seepage pit shall extent within how many meters of the water table.
a)
1.5 m
b)
3 m
c)
20 m
d)
4 m
14.
Required horizontal clearance of clean-out from an access door, trap door, or crawl bole.
a)
6.1 m
b)
8.1 m
c)
7.1 m
d)
9.1 m
15.
Which of the following parts of an elevated or gravity storage tank is not required to be screened.
a)
up-feed riser pipe
b)
drain pipe
c)
return-bend vent pipe
d)
overflow pipe
16.
Do we need to provide clean-out for pressure drainage system?
a)
Yes
b)
Sometimes
c)
No
d)
It depends
17.
Which of the following can be drained through an air break?
a)
Evaporative cooler
b)
Culinary sink
c)
Refrigerator
d)
Dishwasher
18.
Maximum stories able to serve by a single yoke vent.
a)
3
b)
6
c)
5
d)
10
19.
Minimum weight of copper tubes used for underground drainage.
a)
Type L
b)
Type K
c)
Type M
d)
Type DWV
20.
Public sewer may be considered as not being available when such public sewer or any exterior drainage facility connected thereto is located more than how many meters from any proposed building?
a)
41 m
b)
61 m
c)
51 m
d)
71 m
21.
Horizontal copper tubing, sized 38 mm and smaller in diameter shall be supported approximately _____.
a)
1.8 m
b)
3.0 m
c)
1.0 m
d)
1.5 m
22.
Fire prevention month is on _____.
a)
April
b)
May
c)
March
d)
July
23.
It is a physical separation, which may be a low inlet into indirect waste receptor from the fixture, appliances or device indirectly connected.
a)
Air gap
b)
Air break
c)
Air barrier
d)
Air curtain
24.
The minimum air gap for over rim bath fillers & other fixtures with effect openings not greater than 25 mm in diameter not affected by walls.
a)
50 mm
b)
25 mm
c)
75 mm
d)
100 mm
25.
What is the copper content in brass fitting?
a)
0.15
b)
0.85
c)
0.8
d)
0.35
26.
All septic tank covers shall be capable of supporting on earth load of not less than _____ when the maximum coverage does not exceed 9 m.
a)
14.4 kPa
b)
15.3 kPa
c)
18.3 kPa
d)
16.2 kPa
27.
Who originally proposed using drainage fixture units to represent a fixture's load-producing effect on the plumbing system?
a)
F. M. Dawson
b)
Roy B. Hunter
c)
H. Manning
d)
F. Muños
28.
Access and clearance for the backflow prevention assemblies shall require a minimum clearance from a lowest portion of an assembly and the grade floor or platform.
a)
305 mm
b)
255 mm
c)
605 mm
d)
835 mm
29.
Sizing of rainwater piping for two adjacent walls; add _____ of the total wall areas to the roof area.
a)
0.45
b)
0.5
c)
0.6
d)
0.35
30.
A pipe joint obtaining by jointing metal parts with metallic mixtures which melts at a temperature below 427 degrees Celsius and above 149 degrees Celsius.
a)
Brazing
b)
Soldering
c)
Welding
d)
GMADW
31.
Uniform plumbing code introduces a way sustainable practices through maximum fixture flow rates. What is the specified maximum fixture and fixture fittings flow rate specified for Urinals?
a)
1.28 gallons/flush
b)
1.6 gallons/flush
c)
0.3 gallons/flush
d)
0.5 gallons/flush
32.
When was the last update of the Revised National Plumbing Code of the Philippines?
a)
1967
b)
1954
c)
1959
d)
1999
33.
What is the fraction of length used to get the permissible friction loss for the potable water supply pipe sizing?
a)
30 ft
b)
50 ft
c)
80 ft
d)
100 ft
34.
A vertical vent connection on a horizontal soil or waste pipe branch to a point downstream of the last fixture connection and turning to a horizontal line above the highest overflow level of the highest fixture connected thereat and connecting to vent stack.
a)
Looped vent
b)
Loop vent
c)
Circuit vent
d)
Local vent
35.
Type _____ copper tubing may be used for water piping when piping is above ground inside or atop a building, or underground outside of structures with outside protective coating.
a)
K
b)
L
c)
M
d)
DWV
36.
All piping of plumbing systems shall be of durable NAMPAP approved materials, free from defective workmanship, design and constructed by Registered Master Plumbers to ensure satisfactory service.
a)
Basic Principle No. 5
b)
Basic Principle No. 22
c)
Basic Principle No. 14
d)
Basic Principle No. 9
37.
What type of cleanout plug shall be installed in places prone to passing personnel or vehicles?
a)
Raised head cleanout plug
b)
Countersunk cleanout plug
c)
Hubless blind plug
d)
Hub and Spigot plug
38.
What is the size of cleanout used for 2" pipeline?
a)
38 mm
b)
51 mm
c)
64 mm
d)
89 mm
39.
That part fo the horizontal piping of sanitary drainage system which measures 0.6 meter downstream from the last mobile home site and conveys sewage to a public sewer, private sewer, individual sewage disposal system or other points of disposal.
a)
Building sewer
b)
Mobile home park sewer
c)
Disposal field
d)
Leaching field
40.
Lawn sprinkling systems shall be equipped with listed atmospheric vacuum breakers installed on the discharge side of each of the _____.
a)
Check valve
b)
Regulating valve
c)
Last shutoff valve
d)
Control valve
41.
Plumbing permit shall become null and void after the plumbing work is suspended and abandoned after _____ days from the date of commencement.
a)
120
b)
150
c)
180
d)
250
42.
What is the clear height of the tunnels above the pipe? When pipe is driven, the driven pipe shall be at least one pipe size larger than the pipe to be laid.
a)
0.15 m
b)
0.30 m
c)
0.60 m
d)
2.40 m
43.
The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not extend more than _____ below the rim of the hub.
a)
25 mm
b)
19 mm
c)
3.2 mm
d)
6.4 mm
44.
What is the approximate diameter of a closet ring or closet flange when installed together with the soil pipe?
a)
102 mm
b)
76 mm
c)
178 mm
d)
38 mm
45.
It is a pipe from the street water main to the building served.
a)
Distribution pipe
b)
Fixture supply pipe
c)
Service pipe
d)
Fixture branch pipe
46.
Who is the chairman of board of master plumber in the year 2022?
a)
Valentino M. Mangila
b)
Pedrito D. Camilet Jr.
c)
Jaime Jayjay E. Cruz
d)
Reynald B. Ilagan
47.
Threaded plastic pipe shall be _____ minimum wall thickness and should be factory cut or molded.
a)
Schedule 40
b)
Schedule 60
c)
Schedule 80
d)
Schedule 120
48.
What do you call the trade name for a combination of a wye and 1/8 bend?
a)
Sanitary tee
b)
45 Wye
c)
Sanitary Cross
d)
Combo
49.
A kind of plastic pipe which has excellent chemical, crush and fire resitance, high impact and tensile strength and is nontoxic, used for hot and cold-water applications.
a)
Polyvinyl Chloride
b)
Chlorinated Polyvinyl Chloride
c)
Crosslinked Polyethylene
d)
Unplasticized Polyvinyl Chloride
50.
A test to determine the absorption rate and qualities of soil for septic drain field or leaching field.
a)
Drain field test
b)
Leaching test
c)
Absorption test
d)
Percolation test
51.
What is the PRC resolution number issued by the Board of Master Plumbing for the adoption and promulgation of the Revised National Plumbing Code of the Philippines?
a)
Res. No. 962
b)
Res. No. 2
c)
Res. No. 1378
d)
Res. No. 4
52.
Apprentice of Master Plumber.
a)
Journeyman
b)
Pipe Fitter
c)
Apprentice Plumber
d)
OJT
53.
The administrative authority requires that every request for inspection be filled at how many days before such inspection is intended?
a)
3 calendar days
b)
5 working days
c)
3 working days
d)
5 calendar days
54.
DFU of grease interceptor.
a)
2
b)
3
c)
5
d)
6
55.
Fixture unit for air-conditioning unit having a flow of 0.05 L/s.
a)
1
b)
2
c)
3
d)
4
56.
A non-watertight receptacle in which raw sewage is discharged that seeps through the sides and the floor.
a)
Seepage Pit
b)
Septic Tank
c)
Cesspool
d)
Catch Basin
57.
The extended portion of a pipe that is closed at one end to which no connections are made on the extended portion, thus permitting the stagnation of liquid or air intake.
a)
cleanout
b)
Branch
c)
Dead end
d)
Air chamber
58.
Each vent opening shaft terminate not less than _____ meters from any air-intake or vent shaft.
a)
0.3 m
b)
0.9 m
c)
1.5 m
d)
3 m
59.
Relief valve drain pipe shall extend from the valve to the outside of the building with the end of the pipe pointing downward and mounted above the ground at _____.
a)
0.15 m - 0.30 m
b)
0.30 m - 0.60 m
c)
0.15 m - 0.60 m
d)
0.45 m - 0.85 m
60.
90 degrees cleanout extension shall be extended from what type of fitting?
a)
Wye
b)
Tee
c)
Sanitary tee
d)
All of these
61.
When floor drain is subject to reverse flow of sewage or liquid waste, such drains shall be equipped with an approved _____.
a)
P-trap
b)
running trap
c)
check valve
d)
backwater valve
62.
All plumbing plans, drawings, diagrams, design analysis/computations as required, technical specifications, bill of materials and other documents for all types of occupancy shall be prepared, signed and sealed by a registered and licensed master plumber, _____.
a)
limited to 20 fixture units
b)
limited to 20 plumbing units
c)
limited to 2 storey building
d)
without limitations
63.
In lieu of upper terminal cleanout for building drain/sewer, what can be substituted?
a)
two-way clean-out
b)
wye branch clean out
c)
house trap
d)
backwater valve
64.
Which of the following situations/locations do not require a clean-out?
a)
at the upper end of every horizontal soil and waste branch
b)
at every branch interval along the stack
c)
any horizontal soil pipe less than 15 m
d)
at the base of every soil stack
65.
Consists of two independently acting internally or externally loaded check valves, four properly located test cocks with connectors and two isolation gate valves.
a)
Atmospheric vacuum breaker
b)
Pressure vacuum breaker
c)
Double check valve
d)
Reduced pressure principle
66.
Vent pipe opening from a soil or waste pipe shall not be below the weir of the trap except for what fixture?
a)
Water closet
b)
Bathtub
c)
Urinal
d)
Kitchen sink
67.
When it is found impractical, building/street sewer may be have a slope of not less than 0.5% provided that such piping shall have a diameter of not less than _____.
a)
76 mm diameter
b)
152 mm diameter
c)
102 mm diameter
d)
203 mm diameter
68.
Maximum length permitted for a fixture tailpiece.
a)
180 mm
b)
450 mm
c)
300 mm
d)
600 mm
69.
Excreta drainage pipe that is only allowed to be used above ground.
a)
galvanized steel pipe
b)
vitrified clay pipe
c)
cast iron pipe
d)
PVC pipe
70.
No dishwasher drain shall be connected to a sink, tailpiece, continuous waste or trap or the discharge side of a food waste disposal system.
a)
TRUE
b)
Depends
c)
FALSE
d)
Sometimes
71.
Drainage piping serving fixture which have flood level rim located below the elevation of the street sewer shall be protected from backflow by providing a _____.
a)
check valve
b)
atmospheric vacuum breaker
c)
backwater valve
d)
aspirator
72.
When was the National Plumbing Code approved?
a)
June 18, 1955
b)
June 18, 1954
c)
January 28, 1959
d)
January 18, 1956
73.
The minimum size of water supply pipe to a lavatory is _____.
a)
1"
b)
1/2"
c)
3/8"
d)
1/2'
74.
It specifies outside diameter and wall thickness.
a)
Pipe
b)
Schedule
c)
Tube
d)
Nominal diameter
75.
A term used to described soil or waste system where all piping are threaded pipe tubing or other rigid construction using recessed drainage fitting to correspond to the types of piping.
a)
Drainage System
b)
Durham System
c)
Piping System
d)
Waste Pipe System
76.
Which type of fire line installation has become obsolete and seldom installed?
a)
Automatic system
b)
Wet standpipe
c)
Local vent
d)
Dry standpipe
77.
The primary purpose of a septic tank is to _____.
a)
distribute raw sewage to the leaching field
b)
vent doors to atmosphere
c)
chemically treat raw sewage
d)
act as settling tank
78.
Located at the lower end of the pump used to prevent loss of priming the pump.
a)
Foot valve
b)
Gate valve
c)
Angle valve
d)
Globe valve
79.
The maximum lead content allowed in pipe used to convey potable water.
a)
3 percent
b)
2 percent
c)
1 percent
d)
8 percent
80.
If a small amount of pipe exists between the threads of a pipe it is called a short nipple. Its other name is _____.
a)
Shoulder
b)
Coupling
c)
Pipette
d)
Close nipple
81.
Fixture outlets shall not be connected to the horizontal excreta drainage piping system within _____ of any vertical to horizontal change of direction of a stack containing suds-producing fixtures. Bathtubs, laundries, washing machine standpipes, kitchen sinks and dishwashers shall be considered suds-producing fixture. Except for single family dwelling and stacks receiving discharge from less than (3) stories of plumbing fixtures.
a)
1.2 m
b)
0.6 m
c)
1.8 m
d)
2.4 m
82.
The inlet and outlet pipe of baffle wall in a septic tank shall exend _____ above and at least 304.8 mm below the water surface.
a)
104.6 mm
b)
101.6 mm
c)
106.6 mm
d)
228.6 mm
83.
What is the minimum number of WC for 100 males? (Assembly places - Theaters, Auditoriums, Convention Halls, etc. - for public use)
a)
1
b)
2
c)
3
d)
4
84.
What is the total WSFU for two lavatories for private use?
a)
2
b)
4
c)
6
d)
8
85.
According to the RNPCP, which of the following is not part of the plumbing unit?
a)
Floor drains
b)
Water closet
c)
Urinal
d)
Lavatory
86.
A side from the number of fixture units connected to it, the size of the vent piping is determined by its _____.
a)
length
b)
slope
c)
change in direction
d)
orientation
87.
An organization that conforms the standards and specifications of all plumbing materials.
a)
Product Standards of the Philippines
b)
Department of Labor and Employment
c)
Department of Trade and Industry
d)
Underwriters' Laboratories
88.
What fitting may only be used for vertical to horizontal change of direction drainage piping when installed in true vertical position?
a)
Wye
b)
60 degree bend
c)
90 degree bend
d)
Combination wye
89.
Portion of vent pipe through which wastewater also flows through.
a)
Dry vent
b)
Wet vent
c)
Stack vent
d)
Vent stack
90.
The unobstructed vertical distance through the free atmosphere between the lowest opening of the pipe, plumbing fixture, appliance/appurtenance conveying waste to the food level rim of the receptor.
a)
air break
b)
air gap, drainage
c)
indirect waste
d)
air gap, water distribution
91.
Plumbing Law of the Philippines.
a)
RA 1364
b)
RA 1378
c)
RA 9514
d)
RA 1096
92.
ISO means _____.
a)
International Standards Organization
b)
International Organization for Standardization
c)
Independent Sewerage Office
d)
Internation System Order
93.
An arrangement of venting so installed that one vent pipe will serve two (2) traps. It is also called as Unit vent or Dual Vent.
a)
Yoke vent
b)
Vent stack
c)
Common vent
d)
Loop vent
94.
To provide easy access for repair and cleaning, it is recommended that all pipes from plumbing fixtures should _____.
a)
run parallel and close to the nearest wall
b)
be installed away from the nearest wall to avoid
c)
damage doing repair and maintenance
d)
if practicable, run in opposite direction to avoid or minimize damage to other pipes
95.
Where disposal facilities are abandoned consequent to connecting any premises with the public sewer, the permittee making the connection shall fill all abandoned facilities within how many days from the time of connection?
a)
30 days
b)
90 days
c)
60 days
d)
120 days
96.
Devices which discharge clear wastewater into the building drainage system shall discharge through _____.
a)
direct connection into the drainage system
b)
a clarifier before discharge to the drainage system
c)
an indirect waste by means of an air gap
d)
an indirect waste by means of an air break
97.
It is a small amount of pipe exists between the threads of a pipe, it is called a short nipple. Its other name is _____.
a)
Shoulder
b)
Coupling
c)
Pipette
d)
Close nipple
98.
Size of thrust blocks shall be based on the following, except _____.
a)
maximum line pressure
b)
kind of soil
c)
pipe size
d)
occupancy
99.
An exemption to independent system is that building drain from the front building may be extended to serve the rear bldg. if _____.
a)
private sewer is available within or adjacent to public
b)
there is enough setback to construct a private sewer through an adjoining court, yard or driveway.
c)
no private sewer line is available
d)
existing size of the bldg. drain is not adequate for both buildings.
100.
Color code of PVC tube used for sanitary drainage system.
a)
Orange & Gray
b)
Blue
c)
White
d)
Green
100 %
