問題一覧
1
Is an eye and face protection device tha
Face shield
2
What is the minimum size of water supply inlet for urinal stall
3/4 "
3
NFPA classified fires as Class ____ by flammable liquids, gasses or grease
Class B
4
Is a person who estimate the cost of construction projects the contractor wants to bid
Estimator
5
Screwed steel pipe 2 ½” diameter should have this number of threads for effective jointing
8
6
The recommended hot water supply to a hotel lavatory (private)
5
7
What do you call this valve installed at the suction line of the pump to prevent the loss of prime of pump?
Foot valve
8
A tool fast and easy grip used on constricted spaces or close to a wall. It has a solid housing which keeps it from breaking or wrapping under normal use.
End-pipe wrench
9
The effective thread length of a ¾” screwed pipe
1 ¼” long
10
Is a three dimensional drawing in the plumbing system
Isometric Drawing
11
Is a gate valve in which two pieces bronze wedge fits against the seat to restrict the flow
Split wedge disk gate valve
12
A wrench for screws with hexagonally shaped recess in its head
Allen wrench
13
It is a pipe that conveys potable water for public and community use from the municipal water supply source.
Water main
14
CISP stand for
Cast Iron Soil Pipe Institute
15
Is a fitting or device that, when properly vented, provides a liquid seal to prevent the emission of sewer gasses.
Fixture traps
16
Is a person who has completed apprenticeship training in a trade and skilled in a particular field.
Journeymen
17
Is securing equipment or materials preparation for lifting by means of rope, chain or web sling
Rigging
18
It is a type of ladder that stands independently of support
Stepladder
19
NFPA classified fires as Class ____ by electrical fires.
Class C
20
To boost the water pressure of hot water, use
Circulating pump
21
The colors used to identify the drawn copper tube for Type M is
Red
22
A variation of pipe wrench with a swiveling serrated jaw and knurled control knob located between the frame forming the head and the handled of the wrench?
Stillson wrench
23
What is the minimum size of water supply inlet for shower stall
1/2
24
Is a pipe that conveys only liquid waste that is free from fecal matter.
Waste
25
The best solder for brazing/soldering joints is
95-5 tin antimony
26
Is a steel pipe made by piercing a solid cylindrical steel billet with a series of mandrels while passing the billet through rollers
Seamless pipe
27
Class ____ fire extinguishers are identified by the color yellow inside a star
Class D
28
Waste in the plumbing drainage are prohibited waste when you discharge
Toxic waste
29
What causes the bad taste and odor of water
The presence of algae
30
Is a ladder that is permanently attached to a structure, tank or vault.
Fixed Ladder
31
What is the minimum size of water supply inlet for urinal stall
¾”
32
It has a deeper and broader hook jaw housing which provided a smooth, flat surface that is may used be occasionally used as a hammer
Rapwrench
33
Stainless steel plumbing fixture are manufactured based on standard set by the organization
CS AND PS
34
Is a plumbing design in which centrally located manifolds distribute water to each fixture with dedicated hot and cold water lines
Home Run
35
Is a steel pipe manufactured by drawing flat steel strips trough a die to form a cylindrical shape
Welded Pipe
36
Is a temporary or movable platform and structures for plumbers to stand on when working above floor level.
Ladder
37
Is the drainage pipe that extends from the trap of a fixture to the junction to the junction of the next drainage pipe.
Fixture drain
38
PPE usually seen on entrance before entering the construction site stands for;
Personal protective equipment
39
What do you call this caulking tool drawn
Spring yarning iron
40
Is a gate valve in which one piece solid bronze wedge fits against the seat to restrict the flow
Solid wedge disk gate valve
41
Screwed steel pipe 2 ½” should have this number of threads for effective jointing
8
42
It is a plastic rasin that can be heated and reformed repeatedly with little or no degradation in physical characteristics.
Thermoplastic
43
Is a device used to measure the volume of water that passes through the water service
Water meter
44
Is a person who enter into an agreement with an employer
Apprentice
45
Class ____ fire extinguishers are identified by the color red inside a square
Class B
46
Is a drawing showing a small part of a floor plan, elevation or section drawing at enlarge scale
Detail drawing
47
A unique type of pipe wrench in which turning force applied is multiplied. The principle of lever action in a simple machine had been applied in this type of patented plumbing tools
Compound leverage Wrench
48
A type of wrench having a heavy sprocket chain that is slipped around a pipe and then attached to the wrench handled. It is used on piping work especially large size pipe metal pipes and in areas that is not easily accessible.
Chain wrench
49
What type of wrench is used to assemble hubless joint
Torque Wrench
50
CPVC Pipe and fitting are ___ colored thermoplastic materials specially formulated to withstand higher temperatures than other plastic.
White
51
What causes the bad taste and odor of water
The presence of algae
52
Another variation of pipe wrench featuring a jaw opening parallel to the handle and a narrower hook jaw which provided easy entry into tight space
Offset pipe wrench
53
This is used to remove square and octagonally- shaped threaded faucets. It has a right angle bar with one end for square nuts and other octagonal.
Basin Wrench
54
What is the minimum size of water supply inlet of a shower stall?
1/2"
55
Is a nipple that is threaded on the ends and has short unthreaded pipe in the middle
Shoulder Nipple
56
The color used to identify the drawn copper tube for Type L is
Blue
57
A tool used to tighten the nut that secure the basket to the sink
Basket Strainer wrench
58
It is a plastic resin that cannot be melted after it is formed and cured in its final shape.
Thermosetting
59
Is a full-way valve used to regulate fluid flow in which a threaded stem raises and lowers a wedges shaped disk
Gate valve
60
Electric water heaters are manufactured based on the standard set by this organization.
U.L.
61
Is a pipe extending from the corporation cock to the water supply distribution system of the building
Water service
62
Gasses found in the sewer air septic tank except
Chloride
63
PEX denotes as
Cross linked polyethylene
64
Is a pipe that conveys rainwater from the roof to the storm drain
Rainwater leader
65
Is a pivoting hook mechanism attached to the fly section of an extension ladder to hold the fly section at the desired height
Pawl lock
66
Is a pipe that ventilates the drainage system of the building
Vent pipes
67
NAMPAP stands for
National Master Plumbers Association of the Philippines
68
Is an adjustable cast iron box that is flash with finished grade and its capped with removable iron cover
Stop box
69
Any vertical line of soil, waste or vent pipe extending through one or more stories
Stack
70
Class ____ fire extinguishers are identified by the color blue inside a circle
Class C
71
The most common and widely used gate valve
Solid wedge
72
Is a nipple that is threaded its entire length
Close nipple
73
An eye protection device with flexible frame, they are secured on the face with an elastic headband.
Goggles
74
It is individual or company responsible for the performance of the construction work
Contractor
75
Is a scaled view created by passing an imaginary cutting plane through a portion of a building
Section drawing
76
Is a drawing of piping system without regard to scale and exact location of the fixture shown in drawing.
Schematic piping layout
77
Is a temporary wiring used to supply power to portable electric tools and equipment
Extension Cord
78
Polyvinyl Chloride (PVC) pipes used for drain waste vent (DWV) are manufactured based on standard set by this organization
ASTM
79
Class ____ fire extinguishers are identified by the color green inside a triangle
Class A
80
ANSI stands for
American National Standard Institute
81
Is a valve installed on water service to turn on or off the flow of potable water in the building
Corporation Cock
82
PVC pipe and fittings are ____ colored
Blue
83
A male thread fitting with square head used for closing another female fitting is called
Plug
84
The simplest and cheapest bonnet design of valve
Screwed
85
OSHA stands for
Occupational Safety and Health Administration
86
It has internal legs and tray hat folds in for easy carrying and set up. Large vise base overhangs front legs for clear tool swing
Portable tristand chain vise
87
It is a scaled view that shows the shape and size of the exterior walls and the roof of the building
Exterior Elevation Drawing
88
Is a valve placed on water main to which the water service of the building is connected
Corporation cock
89
Is a civil drawing that shaped and size of the building lot and the location on the building lot
Plot plan
90
Is an adjustable height ladder with a fixed bed section and sliding, lockable fly section
Extension ladder
91
Is a pipe that conveys the discharge of water closet other similar fixtures containing local matter with or without the discharge of other fixtures.
Soil pipe
92
How does a safety mechanism of a hot water system work?
Automatically
93
The effective thread length of a ¾” diameter steel pipe is
1 ¼” long
94
A common heat source for indirect water heater
Steam
95
Is a soil or waste stack that extends horizontally from fixture on the same floor as the branch.
Horizontal Branch
96
The effective thread length of a 3” diameter screwed steel pipe is
1 ½”
97
A wrench with hexagonal jaw which is multisided, used to provide secure grip on all hexagonal nuts, square nuts, unions and valve packing nuts. The extra-wide opening offset is ideal for securing drain nut on sticks and tubs.
Hex wrench
98
Copper pipe are sized
1/8 bigger than their inside diameter
99
What is the minimum size of water supply inlet for kitchen sink?
1/2"
100
Yoke and base are made of strong, dependable iron. It has hardened ally steel jaws and convenient pipe rest and bender
Bench Yoke Vise