問題一覧
1
The withstanding of any material to rubbing, scratching, or wearing away.
Abrasion
2
The total pressure equal to that measured from an absolute vacuum. It equals the sum of gauge pressure plus barometric atmospheric pressure. It is expressed in pounds per square inch (psia) or kilopascals per square meter (kPa/m2).
Absolute Pressure
3
Temperature measured from absolute zero.
Absolute Temperature
4
The point at which any substance has no molecular motion and no heat. It is equivalent to -459.72°F or -273.18°C.
Absolute Zero
5
The soaking up of a gas or liquid into a solid substance.
Absorption
6
A panel that can be opened and used to provide easy approach to concealed valves or equipment.
Access Door
7
That which enables a fixture, device, or appliance to be easily reached.
Access To
8
The degree of agreement between a measured value and the true value of a quantity or concern.
Accuracy
9
That which enables direct approach, either with or without the removing or moving of any panel, door, or similar obstruction. Regarding physically challenged individuals, a plumbing fixture, site, building, facility, or portion thereof that can be approached, entered, and/or used.
Accessible
10
The amount a pressure, temperature, liquid level, or differential pressure deviates higher from a set value.
Accumulation
11
A container in which fluid is stored under pressure as a source of power.
Accumulator
12
A fluid with a pH lower than 7.0.
Acid
13
A pipe venting an acid-waste system.
Acid Vent
14
A pipe that conveys liquid waste matter having a pH of less than 7.0.
Acid Waste
15
Sewage sediment, rich in destructive bacteria, that can be used to break down fresh sewage quickly.
Activated Sludge
16
A movable component of a valve that when operated causes the closure element to move.
Actuator
17
With reference to inlet conditions, the volume rate of air compressed and delivered at the discharge point.
Actual Capacity
18
Any fitting that mates or connects two pipes or fittings of different size, material, or design.
Adapter Fitting
19
A substance capable of holding two or more objects together by attaching to their surfaces.
Adhesive
20
Air compression that allows an increase of temperature in the air.
Adiabatic Compression
21
The surface retention or adhesion of a gas on the surface of a solid.
Adsorption
22
Also called the authority having jurisdiction, the individual official, board, department, entity, or agency established and authorized by a state, county, city, or other political subdivision created by law to administer and enforce the provisions of a particular code as adapted or amended.
Administrative Authority
23
An artificial method of bringing a liquid into direct contact with air.
Aeration
24
Living or active only in the presence of free oxygen.
Aerobic
25
A small vapor particle suspended in air
Aerosol
26
A device used to lower the temperature of a gas after the compression process.
Aftercooler
27
The effect of exposing material to a specific environment for an extended period of time.
Aging
28
A one-way valve designed to open and allow air to enter a drainage system when negative pressures are present without extending to the outside air and then positively close by gravity.
Air-admittance Valve
29
A device, either made up of fittings or manufactured, installed on a piping system for the purpose of attenuating a pressure surge resulting from water hammer.
Air Chamber
30
Air at any pressure greater than atmospheric pressure.
Air, Compressed
31
Air subject only to ambient atmospheric conditions.
Air, Free
32
The unobstructed vertical distance between the end of a pipe and the flood level of a plumbing fixture or receptacle.
Air Gap
33
Sometimes called vapor lock, a condition in which a gas is entrapped between two liquid surfaces in a conduit causing a stoppage or impediment.
Air Lock
34
Air having a temperature of 60°F (15.6°C), with a pressure of 14.70 psia (101.4 kPa) and 0 percent humidity. These figures may be different outside the United States.
Air, Standard
35
A test using compressed air applied to a plumbing system for the purpose of determining a leak.
Air Test
36
Any audible or visible signal indicating the existence of any condition or operation outside a preset normal.
Alarm
37
A check valve, equipped with a signaling device, that will annunciate a remote alarm when a sprinkler head is discharging.
Alarm Check Valve
38
A fluid with a pH of 7.0 or higher.
Alkali
39
A substance composed of two or more metals or a metal and nonmetal intimately united, usually fused together and dissolving in each other when molten.
Alloy
40
A metallic pipe composed of two or more metals.
Alloy Pipe
41
The average or mean temperature of the surrounding air where a reading is taken.
Ambient Temperature
42
A type of screw thread commonly used on pipe and fittings.
American Standard Pipe Thread
43
A device that magnifies the input signal using power other than that from the signal itself.
Amplifier
44
A measurement of the distance between the highest to the lowest excursion of a variable or physical motion.
Amplitude
45
Living or active in the absence of free oxygen.
Anaerobic
46
Separation and measurements of component parts.
Analysis
47
A device used to fasten or secure pipes to a building or structure.
Anchor
48
In a pipe, the angle between radial lines from the beginning and end of the bend to the center.
Angle of Bend
49
Common term for right-angle valves used to control water supplies to plumbing fixtures.
Angle Stop
50
A device, usually of the globe type, in which the inlet and outlet are at right angles.
Angle Valve
51
A negatively charged atom attracted to the negative electrode.
Anion
52
A procedure for preventing or removing stress within a material through controlled heating and/or cooling.
Anneal
53
A term used to describe any device that eliminates siphonic action.
Antisiphon
54
A term, expressed in degrees, indicating how close the outlet temperature of a fluid being heated in a heat exchanger comes to the temperature of the heating medium.
Approach
55
Accepted or acceptable under an applicable specification or standard stated or cited for the proposed use under the procedures and authority of the administrative authority.
Approved
56
An organization established for purposes of testing products to approved standards and
acceptable to the administrative authority.
Approved Testing Agency
57
A water-bearing underground formation or stratum capable of storing water suitable for development.
Aquifer
58
A receptacle designed to collect surface or rainwater from a determined or calculated open area.
Area Drain
59
An enclosed excavated area below grade adjacent to a building open to the weather.
Areaway
60
A gas with little or no toxicity, but which could induce unconsciousness or death by replacing air, thus depriving an organism of oxygen.
Asphyxiant Gas
61
A fitting or device supplied with water or other fluid under positive pressure that passes through an integral orifice or “constriction,” causing a vacuum.
Aspirator
62
An event that occurs at an arbitrary time without synchronization to a referenced clock.
Asynchronous
63
A mechanical device consisting of a check valve that opens to the atmosphere when the pressure in the piping drops to atmospheric.
Atmospheric Vacuum Breaker
64
The relative weight of an atom of an element compared to carbon 12.
Atomic Weight
65
The organization, office, or individual responsible for approving equipment, materials, installation, or procedure.
Authority Having Jurisdiction
66
The temperature at which a material will ignite and sustain combustion in the absence of a spark or flame.
Autoignition
67
The closeness of a public sewer to a building based on code requirements, generally 500 ft (151 m) or less.
Availability of a Sewer
68
Material used to replace excavated material for piping installed in an earthen trench.
Backfill
69
The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply
from any source other than that intended. The reversal of flow in drainage systems.
Backflow
70
A arrangement where backflow can occur.
Backflow Connection
71
A device or means to prevent backflow into the potable water system.
Backflow Preventer
72
A metal strip used to prevent melted metal from the welding process from entering a pipe in the process of making a butt-welded joint.
Backing Ring
73
Negative pressure created by any means in the potable water distribution system which causes a potential backflow.
Backpressure
74
The flowing back of potentially contaminated or polluted water into the potable water supply piping due to a negative pressure in the potable water supply pipe.
Backsiphonage
75
A general sanitary condition where wastewater flows back into a fixture or compartment.
Backup
76
A check valve assembly on the sanitary drainage piping that allows effluent to flow in only one direction.
Backwater Valve
77
A tray or partition placed in process equipment or tanks to direct or change the direction of flow.
Baffle Plate
78
A check valve that uses a spherical or ball-shaped closure member allowing flow in only one direction.
Ball Check Valve
79
A connection utilizing a ball in a cuplike shell that allows movement in any direction other than along the axis of the pipes.
Ball Joint
80
A type of quarter-turn valve that uses a spherical closure member.
Ball Valve
81
A condition where no obstruction exists to prevent access by physically challenged individuals.
Barrier Free
82
The lowest point of a stack of vertical pipe. A liquid with a pH of 7.0 or higher.
Base
83
Several plumbing fixtures located together on the same level, generally a water closet, lavatory, and shower or bathtub.
Bathroom Group
84
Any group of two or more adjacent fixtures.
Battery of Fixtures
85
Any material in direct contact with a pipe that is under and up to its centerline.
Bedding
86
Commonly called a hub, that portion of a pipe that is sufficiently enlarged to receive the mating spigot end of another pipe for the purpose of making a joint.
Bell
87
Commonly called a hub-and-spigot joint for cast-iron soil pipe, a joint in which the spigot is inserted into the hub and the joint is then made tight by caulking or by a gasket.
Bell-and-spigot Joint
88
Steel pipe that has not been galvanized.
Black Pipe
89
A solid plate flange used to seal off the end of a pipe.
Blank Flange
90
The temperature of a liquid where the internal vapor pressure is equal to the pressure on the surface of the liquid.
Boiling Point
91
An outlet on a boiler to permit emptying or discharge of sediment.
Boiler Blowoff
92
That part of a valve connecting the valve actuator to the valve body; in some valves, it may also contain the stem packing.
Bonnet
93
A secondary water heating system used to heat water to a higher temperature than that of the primary heater.
Booster Water Heater
94
Any part of a piping system other than a main, riser, or stack.
Branch
95
A length of soil or waste stack corresponding, in general, to a story height, but in no case less than 8 ft (2.4 m) within which the horizontal branches from one floor or story of a building are connected to the soil stack.
Branch Interval
96
A tee having one side branch.
Branch Tee
97
A vent connecting one or more individual vents to a vent stack or stack vent.
Branch Vent
98
The joining of two pipes using a filler metal that has a melting point more than 1,000°F (538 °C).
Brazing
99
The ends of a pipe, valve, or fitting that are prepared for brazing.
Brazing Ends
100
The amount of heat required to raise the temperature of 1 pound (0.45 kg) of water 1°F (0.565°C).
British Thermal Unit
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17問 • 1年前問題一覧
1
The withstanding of any material to rubbing, scratching, or wearing away.
Abrasion
2
The total pressure equal to that measured from an absolute vacuum. It equals the sum of gauge pressure plus barometric atmospheric pressure. It is expressed in pounds per square inch (psia) or kilopascals per square meter (kPa/m2).
Absolute Pressure
3
Temperature measured from absolute zero.
Absolute Temperature
4
The point at which any substance has no molecular motion and no heat. It is equivalent to -459.72°F or -273.18°C.
Absolute Zero
5
The soaking up of a gas or liquid into a solid substance.
Absorption
6
A panel that can be opened and used to provide easy approach to concealed valves or equipment.
Access Door
7
That which enables a fixture, device, or appliance to be easily reached.
Access To
8
The degree of agreement between a measured value and the true value of a quantity or concern.
Accuracy
9
That which enables direct approach, either with or without the removing or moving of any panel, door, or similar obstruction. Regarding physically challenged individuals, a plumbing fixture, site, building, facility, or portion thereof that can be approached, entered, and/or used.
Accessible
10
The amount a pressure, temperature, liquid level, or differential pressure deviates higher from a set value.
Accumulation
11
A container in which fluid is stored under pressure as a source of power.
Accumulator
12
A fluid with a pH lower than 7.0.
Acid
13
A pipe venting an acid-waste system.
Acid Vent
14
A pipe that conveys liquid waste matter having a pH of less than 7.0.
Acid Waste
15
Sewage sediment, rich in destructive bacteria, that can be used to break down fresh sewage quickly.
Activated Sludge
16
A movable component of a valve that when operated causes the closure element to move.
Actuator
17
With reference to inlet conditions, the volume rate of air compressed and delivered at the discharge point.
Actual Capacity
18
Any fitting that mates or connects two pipes or fittings of different size, material, or design.
Adapter Fitting
19
A substance capable of holding two or more objects together by attaching to their surfaces.
Adhesive
20
Air compression that allows an increase of temperature in the air.
Adiabatic Compression
21
The surface retention or adhesion of a gas on the surface of a solid.
Adsorption
22
Also called the authority having jurisdiction, the individual official, board, department, entity, or agency established and authorized by a state, county, city, or other political subdivision created by law to administer and enforce the provisions of a particular code as adapted or amended.
Administrative Authority
23
An artificial method of bringing a liquid into direct contact with air.
Aeration
24
Living or active only in the presence of free oxygen.
Aerobic
25
A small vapor particle suspended in air
Aerosol
26
A device used to lower the temperature of a gas after the compression process.
Aftercooler
27
The effect of exposing material to a specific environment for an extended period of time.
Aging
28
A one-way valve designed to open and allow air to enter a drainage system when negative pressures are present without extending to the outside air and then positively close by gravity.
Air-admittance Valve
29
A device, either made up of fittings or manufactured, installed on a piping system for the purpose of attenuating a pressure surge resulting from water hammer.
Air Chamber
30
Air at any pressure greater than atmospheric pressure.
Air, Compressed
31
Air subject only to ambient atmospheric conditions.
Air, Free
32
The unobstructed vertical distance between the end of a pipe and the flood level of a plumbing fixture or receptacle.
Air Gap
33
Sometimes called vapor lock, a condition in which a gas is entrapped between two liquid surfaces in a conduit causing a stoppage or impediment.
Air Lock
34
Air having a temperature of 60°F (15.6°C), with a pressure of 14.70 psia (101.4 kPa) and 0 percent humidity. These figures may be different outside the United States.
Air, Standard
35
A test using compressed air applied to a plumbing system for the purpose of determining a leak.
Air Test
36
Any audible or visible signal indicating the existence of any condition or operation outside a preset normal.
Alarm
37
A check valve, equipped with a signaling device, that will annunciate a remote alarm when a sprinkler head is discharging.
Alarm Check Valve
38
A fluid with a pH of 7.0 or higher.
Alkali
39
A substance composed of two or more metals or a metal and nonmetal intimately united, usually fused together and dissolving in each other when molten.
Alloy
40
A metallic pipe composed of two or more metals.
Alloy Pipe
41
The average or mean temperature of the surrounding air where a reading is taken.
Ambient Temperature
42
A type of screw thread commonly used on pipe and fittings.
American Standard Pipe Thread
43
A device that magnifies the input signal using power other than that from the signal itself.
Amplifier
44
A measurement of the distance between the highest to the lowest excursion of a variable or physical motion.
Amplitude
45
Living or active in the absence of free oxygen.
Anaerobic
46
Separation and measurements of component parts.
Analysis
47
A device used to fasten or secure pipes to a building or structure.
Anchor
48
In a pipe, the angle between radial lines from the beginning and end of the bend to the center.
Angle of Bend
49
Common term for right-angle valves used to control water supplies to plumbing fixtures.
Angle Stop
50
A device, usually of the globe type, in which the inlet and outlet are at right angles.
Angle Valve
51
A negatively charged atom attracted to the negative electrode.
Anion
52
A procedure for preventing or removing stress within a material through controlled heating and/or cooling.
Anneal
53
A term used to describe any device that eliminates siphonic action.
Antisiphon
54
A term, expressed in degrees, indicating how close the outlet temperature of a fluid being heated in a heat exchanger comes to the temperature of the heating medium.
Approach
55
Accepted or acceptable under an applicable specification or standard stated or cited for the proposed use under the procedures and authority of the administrative authority.
Approved
56
An organization established for purposes of testing products to approved standards and
acceptable to the administrative authority.
Approved Testing Agency
57
A water-bearing underground formation or stratum capable of storing water suitable for development.
Aquifer
58
A receptacle designed to collect surface or rainwater from a determined or calculated open area.
Area Drain
59
An enclosed excavated area below grade adjacent to a building open to the weather.
Areaway
60
A gas with little or no toxicity, but which could induce unconsciousness or death by replacing air, thus depriving an organism of oxygen.
Asphyxiant Gas
61
A fitting or device supplied with water or other fluid under positive pressure that passes through an integral orifice or “constriction,” causing a vacuum.
Aspirator
62
An event that occurs at an arbitrary time without synchronization to a referenced clock.
Asynchronous
63
A mechanical device consisting of a check valve that opens to the atmosphere when the pressure in the piping drops to atmospheric.
Atmospheric Vacuum Breaker
64
The relative weight of an atom of an element compared to carbon 12.
Atomic Weight
65
The organization, office, or individual responsible for approving equipment, materials, installation, or procedure.
Authority Having Jurisdiction
66
The temperature at which a material will ignite and sustain combustion in the absence of a spark or flame.
Autoignition
67
The closeness of a public sewer to a building based on code requirements, generally 500 ft (151 m) or less.
Availability of a Sewer
68
Material used to replace excavated material for piping installed in an earthen trench.
Backfill
69
The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply
from any source other than that intended. The reversal of flow in drainage systems.
Backflow
70
A arrangement where backflow can occur.
Backflow Connection
71
A device or means to prevent backflow into the potable water system.
Backflow Preventer
72
A metal strip used to prevent melted metal from the welding process from entering a pipe in the process of making a butt-welded joint.
Backing Ring
73
Negative pressure created by any means in the potable water distribution system which causes a potential backflow.
Backpressure
74
The flowing back of potentially contaminated or polluted water into the potable water supply piping due to a negative pressure in the potable water supply pipe.
Backsiphonage
75
A general sanitary condition where wastewater flows back into a fixture or compartment.
Backup
76
A check valve assembly on the sanitary drainage piping that allows effluent to flow in only one direction.
Backwater Valve
77
A tray or partition placed in process equipment or tanks to direct or change the direction of flow.
Baffle Plate
78
A check valve that uses a spherical or ball-shaped closure member allowing flow in only one direction.
Ball Check Valve
79
A connection utilizing a ball in a cuplike shell that allows movement in any direction other than along the axis of the pipes.
Ball Joint
80
A type of quarter-turn valve that uses a spherical closure member.
Ball Valve
81
A condition where no obstruction exists to prevent access by physically challenged individuals.
Barrier Free
82
The lowest point of a stack of vertical pipe. A liquid with a pH of 7.0 or higher.
Base
83
Several plumbing fixtures located together on the same level, generally a water closet, lavatory, and shower or bathtub.
Bathroom Group
84
Any group of two or more adjacent fixtures.
Battery of Fixtures
85
Any material in direct contact with a pipe that is under and up to its centerline.
Bedding
86
Commonly called a hub, that portion of a pipe that is sufficiently enlarged to receive the mating spigot end of another pipe for the purpose of making a joint.
Bell
87
Commonly called a hub-and-spigot joint for cast-iron soil pipe, a joint in which the spigot is inserted into the hub and the joint is then made tight by caulking or by a gasket.
Bell-and-spigot Joint
88
Steel pipe that has not been galvanized.
Black Pipe
89
A solid plate flange used to seal off the end of a pipe.
Blank Flange
90
The temperature of a liquid where the internal vapor pressure is equal to the pressure on the surface of the liquid.
Boiling Point
91
An outlet on a boiler to permit emptying or discharge of sediment.
Boiler Blowoff
92
That part of a valve connecting the valve actuator to the valve body; in some valves, it may also contain the stem packing.
Bonnet
93
A secondary water heating system used to heat water to a higher temperature than that of the primary heater.
Booster Water Heater
94
Any part of a piping system other than a main, riser, or stack.
Branch
95
A length of soil or waste stack corresponding, in general, to a story height, but in no case less than 8 ft (2.4 m) within which the horizontal branches from one floor or story of a building are connected to the soil stack.
Branch Interval
96
A tee having one side branch.
Branch Tee
97
A vent connecting one or more individual vents to a vent stack or stack vent.
Branch Vent
98
The joining of two pipes using a filler metal that has a melting point more than 1,000°F (538 °C).
Brazing
99
The ends of a pipe, valve, or fitting that are prepared for brazing.
Brazing Ends
100
The amount of heat required to raise the temperature of 1 pound (0.45 kg) of water 1°F (0.565°C).
British Thermal Unit