The amount of heat which is absorbed or evolved in changing the state of a substance without changing its temperature. A system of devices, usually installed below ground level, to scatter or spray water droplets over a lawn, golf course, or the like. Minimum width of a septic tank.
Latent Heat Heat Lawn Sprinkler System System 90 cms.
Minimum length of a septic tank. Minimum liquid depth for a septic tank.
1.50 mts.
Maximum liquid depth for septic tank.
1.80 mts.
Minimum capacity, in cubic meters, of the secondary compartment of a septic tank. Minimum dimension of a manhole access to a septic tank. Minimum length of the secondary compartment of a septic tank with a capacity of more than 6 cubic meters. Wooden septic tanks are allowed, true or false.
60 cms. 1 cum. 508 mm. 1.50 mts. FALSE
Minimum distance of a water supply well from a septic tank.
15.20 mts.
Minimum distance of a water supply well from a seepage pit or cesspool. Minimum distance of a water supply well from a dis posal field. Minimum Gauge of galvanized sheet used for downspouts.
45.70 mts. 30.50 mts. 26
Minimum height of a water seal for each fixture trap.
51 mm.
Maximum height of a water seal for each fixture tr ap.
102 mm.
Maximum length of the tailpiece from any fixture. Minimum extension of the VSTR above the roof.
60 cms.
Minimum extension of the VSTR above a n openable window, door opening, air intake, or vent shaft. Minimum trap diameter for a bathtub Minimum trap diameter for a shower stall. Required number of water closets for females for an auditorium serving 16-35. Required number of water closets for males for an auditorium serving 16-35.
15 cms. 0.90 mtr. 38 mm. (11/2") 51 mm. (2") 3 2
Required number of water closets for females for a theater serving 51-100. Classifications of copper pipes. A rough or sharp edge left on metal by a cutting tool. Two types of passenger elevator. Minimum elevator width of single slide door elevator for small commercial or residential building. A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry during electrical power failure. TW in electrical wire specification means. Another name for passenger elevator. The minimum face to face distance between elevators in three and four car grouping. Collection line of a plumbing system is sometimes referred to as. Maximum height of a dumbwaiter. A type of lighting that provides illumination to special objects like sculptures, flo wer arrangements, etc. XHHN in wire specification means. Standard length of an electrical metal conduit. An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed. The other type of flame detector other than the ultraviolet type. PABX or PBX means. Farad is the unit capacity of a ___. Another name for distribution panel. Type of plastic pipe other than polyvinyl chloride and polybutylene. Standard size of wire for a circuit line.
4 Rigid and Flexible Burr Electric and Hydraulic 0.60 mtr. Auto mat ic Tran sfer Sw it ch (ATS) Moisture resistant, in wet and dry location Lift 2 mts. House Drain 1.20 mts. Specific Lighting Moisture and Heat Resistant- Cross-Linked Thermosetting 10' Sheave Infra Red Pvt. Automatic Branch Exchange Capacitor Power Panel Polyethylene No. 12
A device for converting alternating current to direct current. Another name for a Rectifier. A controller sensitive to the degree of moisture in the air. Another name for Humidistat. Consist of a flyball or flyweight device designed to stop an elevator. A stop valve placed in the service pipe close to the connection at the water main. A vent with a function to provide circulation if air between drainage and vent system. Flange used on a pipe to cover a hole or opening in a floor or wall which the pipe pass. Length along the centerline of the pipe and fitting.
Rectifier D.C. Generator Humidistat Hygrostat Governor Corporation Stop Relief Vent Escutcheon Developed Length
A valve used in a flush tank controlling the flushing of fixture. Any liquid waste containing animal or vegetable matter in suspension or solution.
Flush Valve
Component of fire extinguisher. Interrelationship between value of voltage and current with the same frequency.
Carbon Monoxide
Descriptive of any material such as synthetic resin which hardens when heated or cured, and does not soften when reheated. An Instrument which responds to changes in temperature, and directly or indirectly controls temperature. Thin sheets that are used for controlling heat in drywall construction. Conveys storm water and terminates into a natural drainage such as lakes or r ivers. A machine that converts mechanical energy into electrical energy, a generator of alternating current. Freon in air-con must be compressed and liquefied in order to absorb ___. Standard size of a wet standpipe outlet for each floor. A type of pipe fitting for a Yoke Vent. A device installed on an electric water heater used to detect the working temperature to activate a switch.
Sewage Phase Thermosetting Thermostat Rigid Board Insulation Strom Sewer Al ter nat or Heat 1 1/2" (38mm) 1/8 Bend Thermostat
Minimum size of trap or branch for a bidet. Minimum fixture supply pipe diameter for tank type water closet.
1 1/2"
True or false, 1 3/4" diameter is 'not' a commercial size of G.I. Pipe for water supply.
TRUE
3/8"
True or false, 3" diameter is 'not' a commercial size of G.I. Pipe for water supply. Term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent. A single vent that ventilates multiple traps in the case of a back to back vent. Minimum size of a standpipe for a building in which the highest outlet is 23 meters or less from the fire service connection. Minimum size of a wet standpipe for a riser of more than 15 meters from the source. Single lever valves used in kitchen sink and lavatory faucets or at shower valves works by the principle of a ___. Treats hard water. Minimum height of a branch vent above the fixture it is venting.
FALSE Battery of Fixtures Common Vent 4" (102mm) 4" (102mm) Ball Valve Zeolite 6" (150mm)
Minimum wire size in square millimeter for a branch circuit with a 30 ampere rating using Type THW stranded copper conductor in a raceway.
5.5 sqmm
Standard frequency of power supplied by the local power utility company like Meralco.
60 Cycles
The overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service entrance conductors at the building.
Service Drop
Unit of loudness level. The process of dissipating sound energy by converting it to heat. Distance sound travels during each cycle of vibration. The reduction in the intensity or in the sound pressure level of sound which is transmitted from one point to another. Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material. Acoustical phenomenon which causes sound wave to be bent or scattered around. Minimum sound pressure level that is capable of being detected by the human ear.
Phon Sound Absorption Wavelength Sound Attenuation Sabin Sound Diffraction Threshold of Audibility Sound
Fluctuation in pressure, a particle displacement in an elastic medium. Sound sensation in a single frequency.
Pure Tone
Wave produced by a pure tone.
Sine Wave
Synonymous with a lighting fixture. The luminous intensity of light is expressed in ___.
Luminaire Candela Plumbarius
In Latin, it means 'lead'. A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain. Vertical flow of air used to separate different functions of spaces. Type of lighting dealing with relatively large area lighting. During elevator emergency, to rescue passengers, this part of the elevator is used to open the doors from the outside. A device which extends across at least 1/2 t he width of each door leaf which will open if subjected to pressure. Sanitary sewage from buildings shall be discharged directly to the nearest ___. Receptacles intended to receive and discharge water, water-carried waste into a drainage system with which they are connected. The simplest type of building automation system. Standard size of an outlet for a dry standpipe located at each floor. A vent pipe connected to a vent stack. A vent pipe connected to a stack vent. Instrument used for measuring atmospheric pressure. Bets type of fire detection that can detect fire during the incipient stage. Condensing unit is a part of a ___. A fire detector installed in a fire alarm system which uses low melting point solders or metal that expands when exposed to heat to detect a fire. A faucet fitted with a nozzle curving downward used as a draw-off tap. Heat rating for a fixed temperature heat detector. Reference in measuring the depth of a trap seal of a trap. A pipe fitting shaped like 'S'. Minimum size of trap and waste branch for a shower stall. Minimum size of trap and waste branch for a pedestal urinal. Ratio of water closets for male population for elementary and secondary school. Ratio of water closets for female population for elementary and secondary school.
Plumbum Combination Waste and Vent system Air c ur tai n General Lighti ng Outside Door Latch Panic Bar Sanitary Sewer Main Fixture Telecommunication System 2 1/2" (64mm) Circuit Vent Loop Vent Barometer Ionization Refrigeration Fixed Temperature Heat Detector Bibbcock 135-197˚F Top Dip to Crown Weir Double Bend 2" 3" (1:30) (1:25)
Ratio of urinals for elementary school.
(1:75)
Ratio of water closets for female population for Principal Worship Places.
(1:75)
Minimum required number of water closets for female for office and public buildings serving 55 occupants for employees.
4
Where there is exposure to skin contamination due to poisonous materials, what is the ratio of lavatory to number of occupants.
(1:5)
Minimum head of water, in meters, required for each section of plumbing for wat er test.
3
How many days, at least, shall be given before any plumbing work inspection is done after written notice for inspection.
3
Minimum time, in minutes, required for water to stay in the system or pipes for a water test without any leaks to satisfy said testing. Consist of a body, a checking member, and an atmospheric opening. Minimum lead content in percent for pipes and fittings safe for humans.
15 minutes Atmosp her ic Vacuum Breaker 8%
Minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe if laid in the same t rench on top of the other.
300 mm
Minimum distance of water pipings from any regulating equipment, water heater, conditioning tanks, and similar equipment requiring union fittings.
300 mm
Maximum spacing of pipe supports at intervals. Equivalent of 1/6 bend in degrees.
True or false, 60˚ branches or offsets may be used only when installed in a true vertical position. Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless such line is serving sinks or urinals, true or false. Minimum clearance in front of any cleanout in meters for pipes 51mm or less in diameter. Minimum clearance in front of any cleanout in meters for pipes larger than 51 mm. Dia. Maximum distance of any underfloor cleanout from any access door, crawl space, or crawl hole.
4' 60˚
TRUE TRUE 0.305 mtr. / 305 mm 0.45 mtr. / 450 mm 6.10 mts.
Maximum length of a tailpiece.
600 mm
Minimum length of any branch requiring separate venting.
4.60 mts.
True or false, no galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least 15 cms above ground. Minimum extension of a vent stack through roof above the roof. Minimum extension of a vent stack through roof above any other vertical surface.
TRUE 150 mm / 15 cms. 300 mm
Minimum vertical distance of VSTR from above of any openable window or opening.
0.90 mtr.
Minimum vertical extension of VSTR from any roofdeck where it is protruded.
2.10 mts.
Minimum horizontal distance of any VSTR from a roofdeck used for other purposes aside from protection from weather.
3.00 mts.
Minimum number of stories served by a waste stack requiring a parallel ventstack. The rate of flow of l ight through a surface. The luminous intensity of any surface in a given direction per unit of projected area. A unit of illumination equivalent to 1 lumen per square foot. A unit of illumination equivalent to 1 lumen per square meter. Type of lighting system where 90-100% of light output is directed to the ceiling and upper walls of the room. The material used for filament in an incandescent bulb. The equivalent of filament in a fluorescent lamp. An automatic device used for converting high, fluctuating inlet water pressure to a lower constant pressure. An air-operated device used to open or close a damper or valve. In theater stage house, a weight usually of iron or s and used to balance suspended scenery, or the like. On elevators, a gear-driven machine having a drum to which the wire r opes that hoist the car are fastened, and on which they wind. Vertical tracks that serves as a guide for the car and the counterweight. Under NBC, the clearance between the underside of the car and the bottom of the pit shall not be less than ___.
10 Luminous Flux Luminance Foot-Candle Lux Indirect Lighting Tungsten Cathode Pressure Regulating Valve Air Mo to r Counterweight Winding-Drum Machine Guiderails 600 mm
Under NBC, the minimum width between balusters in an escalator. Under NBC, the maximum rated speed of an escalator along the angle of travel. The effective room temperature in air -conditioning. A private telephone system that interconnects with public telephone systems. Resistance in alternating current system. The reciprocal of conductance. The rate of flow of sound energy Lighting used primarily to draw attention to particular points of interest. A means of producing light from gaseous discharge. A type of High-Intensity-Discharge lamp (HID). Sound system input device that reacts to and converts variable sound pressure into variable electrical current. A rate of rise type detector. Light originating from sources not facing each other, as from windows in adjacent walls. The process of removing calcium and magnesium deposits in water. A lighting unit consisting of one or more electrical lamps.
558 mm 38 Meters/Min 68-74 ˚F PABX Impedance Resistance Sound Intensity Accen t L ig ht in g Fluorescense High-Pressure-Sodium (HPS) Microphone Thermal Detector Cross Light Softening Luminaire
A louvered construction divided into cell-like areas and used for redirecting the light emitted by an overhead source.
Eggcrate
A graph used in air-conditioning and showing the properties of air-system mixtures.
Psychrometric Chart
Heat that raises air temperature. The transmission of heat energy from one place to another by circulatory movement of a mass of fluid. A lamp designed to project and diffuse a uniform level of illumination over a large area. In boilers, they function only when exceeds prescribed unsafe operating conditions. What type of sound absorbent is best for lower band frequencies. The bending of sound wave when traveling forward changes direction as it passes through different densities.
Sensible Heat Convection Floodlight Limit Controls and Interlocks Porous Absorbents Refraction
True or false, number of fixture unit is one parameter in sizing a drainage pipe. Water distribution system which constantly rely its pressure from the main w ater pipe applied only if the highest fixture is supplied continuously with the flow rate and minimum required working pressure. What combination of pipe fittings is installed at the base of a soil stack?
TRUE Upfeed System / Direct Method Wye and 1/8 Bend
What is the rating index of an air -conditioning/refrigeration system which rates the unit for the number of BTU's of heat r emoved per watt of electrical input energy?
Energy Efficiency Rating (EER)
What mechanical equipment, coupled with a central air -conditioning system, is used to dehumidify and cool the air stream injected to a conditioned space.
Fan Coil Unit
A rigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Busduct.
Busway
A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a busbar. An approved assembly of insulated conductors with fitting and conductor terminations in completely enclosed ventilated protective metal housing where the assembly is designed to carry fault current and to withstand the magnetic forces of such current. A type of perimeter detector which detects object in heat range of body temperature. A type of perimeter detector which detects interruption of light beam. A type of perimeter detector which detects change in sound wave pattern. Women's urinal fixture. True or false, brass and cast iron body cleanouts shall not be used as a reducer or adapter. A box with a blank cover which serves the purpose of joining one different runs of raceways or cables and provided with sufficient space for connection and branching of the enclosed conductors. A type of water closet t hat is least efficient, subject to clogging, noisy, and use a simple washout action through a small irregular passageway. This type of water closet is similar to that of the siphon-jet except that it has a smaller trap passageway and smaller water surface area, moderately noisy.
Bus
Busway Passive Infrared Light Beam Ultrasonic Washdown TRUE Pull Box Washdown (WD) Reverse Trap (RT)
A type of water closet t hat is noisy but highly efficient. Strong jet into up leg forces contents out. Use only with flush valve, requires higher pressure.
Blowout (BO)
Water closet that is quiet, extremely sanitary, water is directed through t he rim. It scours bowl, folds over into jet; siphon.
Sipho n Vortex (SV)
A water closet that is sanitary, efficient, and very quiet. Water enters through the rim and through the down leg. A toilet bowl similar to the siphon-jet, but having the flushing water directed t o the rim to create circular motion or vortex which scours the bowl. A toilet bowl in which the flushing water enters through the rim and a siphonic action initiated by a water jet draws the contents of the bowl through the trapway. A water closet similar to t hat of the siphon jet but with a smaller water surface and trapway. This type of water closet is prohibited by some health codes.
Siphon Jet (SJ) Sipho n Vortex (SV) Siphon Jet (SJ) Reverse Trap (RT) Washdown (WD)
The concussion and banging noise that results when a volume of water moving in a pipe suddenly stops or loses momentum.
Water Hammer
The length of a pipeline measured along the centerline of the pipe and pipe fit tings.
Developed Length
A shutoff valve closed by lowering a wedge-shaped gate across the passage. A valve closed by a disk seating on an opening in an internal wall. Liquid sewage that has been treated in a septic tank or sewage treatment plant. The centerline of pipe. The interior top surface of a pipe. The interior bottom surface of a pipe. A type of perimeter detector which is subject to false alarm from aircraft radar and from movement outside building through window, wood doors, and the like. It uses radio waves. This type of perimeter detector uses both the Passive infrared and Ultrasonic or Microwave system. This type of perimeter detector detects a change in capacitance of t he area covered, caused by intrusion. Color code for pipes containing acid.
Gate Valve Globe Valve Effluent Spring Line Crown Invert Microwave Passive Infrared with Ultrasonic (or Microwave) Proximity / Capacitance Black
A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to t hat of a mercury lamp in construction. A type of lamp popular for li ghting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor. A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten. A type of lamp generally used for roadways and sidewalks, uses sodium gas. Building with fire alarm and suppression system.
Metal Halid e Lamp Mercury Lamp Tungsten Halogen Lamp High-Pressure-Sodium (HPS) Intelligent Building
This shows the vertical relationships of all panels, feeders, switches, switchboards, and major components are shown up to, but not including, branch circuiting, it is an electrical version of a vertical section taken through the building.
Riser Diagram
In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this.
Safety Shoe
It prevents passengers from falling into the hoistway when they try to get out of the car which is stopped between the floors.
Fascia Plate
In elevator, it makes the buzzer alarm when the car is overloaded and the door remains open until overloading is eliminated.
Weighing Device
In elevator, it protects the equipment from over current.
Circuit Breaker
In elevator, these prevent the excessive car travel at the highest and lowest floor. In escalators, these stop the escalator if a foreign object becomes wedged at t he guard. In escalators, this is located at the bottom tr uss of the escalator and provided with on and off positions to stop or prevents the escalator from starting during maintenance service.
Limit Switches
This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance. This device, in escalators, stops the escalator automatically if an abnormal current is supplied to the motor.
Handrail Guard Switches Disconnect Switch Mechanical Maintenance Locking Device Current Overload Safety Switch
This switch cuts off all current supply to the escalator for inspection, maintenance, or repairs.
Knife Switch
In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure.
Air Ter mi nal
One of the earlier plastic to be developed in 1938, a du pont trade name for the white, soft, waxy, and non-adhesive polymer of tetrafluoroethylene.
Teflon
The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second.
Frequency
Of a partition, the number of decibels by which sound is reduced in t ransmission through it; a measure of the sound insulation value of the partition, the higher the number, the greater the insulation value.
Transmission Lo ss
The cooling effect obtained when 1 ton of ice at 32 oF (0 oC) melts to water at the same temperature in 24 hrs. (equivalent to 12,000 Btu/hr)
Ton of Refrigeration
