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BU Correl > Correl OT 3 > Flashcards

Correl OT 3 Flashcards

1
Q

This kind of pump attached to the end of the deep well pipe enclosed in the casing where the pump is capable of functioning submerged

A

Submersible pump

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2
Q

The tank using air pressure from a suction tank to distribute water from tall buildings which cannot be reached by a normal pressure

A

Pneumatic tank

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3
Q

The kind of G.I. fitting that has one and external threats, well the other and has internal threads.

A

Two-way fitting

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4
Q

The white tape used around the thread before tightening the fittings with a G.I. pipe is threaded to ensure no leakage

A

Teflon

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5
Q

It describes the reflection of sound along the curb service from the stores near the surface. Although this sounds can be heard at points along the surface, it is inaudible way from the surface.

A

Creep

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6
Q

What method is used to specify the maximum allowable intensity of background sounds?

A

Inverse square law

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7
Q

What is one variable affecting reverberation time?

A

Room volume

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8
Q

In an office, a copy machine is found to produce 65 dB. If a computer printer is added to the room and it produces sound intensity of 69dB, what will be the resulting sound level?

A

72dB

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9
Q

A system of sprinklers with its pipe constantly filling both mains and distribution pipes

A

Wet pipe system

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10
Q

An inlet placed outside the building close to a ground-level, having two openings so that the fire engines can’t stop water to the dry standpipe and sprinkler system of the building

A

Siamese twin

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11
Q

A fitting or device so constructed as to prevent the passage of air, gas and materially affecting the flow of sewage or waste water through it

A

Trap

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12
Q

If it a receptacle at a low point at which the liquid waste are drained

A

Low point pit

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13
Q 
A geared traction elevator would be most appropriate for which of the following applications?
I. A five- story medical office building
II. A 16 story office building
III. Before story department store
IV. An eight story apartment
A

I, II, III, IV

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14
Q

It is a part of a piping system other than the main, riser or stack

A

Branch

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15
Q

It is the most popular and generally specify pipe for drainage installation

A

Cast-iron pipe

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16
Q

It is the device designed to prevent backflow of gases into the fixture

A

Trap

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17
Q

In the plumbing system, it refers to the resistance producers by the flowing of water inside the pipe.

A

Backflow

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18
Q

A valve used mainly to completely close or completely open the line but not necessarily to control the flow of water

A

Gate valve

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19
Q

One of the oldest plumbing materials used by Egyptians, Greeks and Romans

A

lead pipe

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20
Q

A valve used on pipe lines to prevent backflow of water

A

Check valve

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21
Q

That portion of the plumbing system that receives discharges of all soil and waste stacks

A

House drain

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22
Q

Part of the building system which contains the atmospheric pressure inside the pipe

A

Vent

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23
Q

It is the available commercial link for rigid type pipes

A

6 m

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24
Q

A vertical supply which extends upward from one floor to the next is called

A

Riser

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25
Q

It is a receptacle or vault used to collect discharge from the house sewer

A

Septic tank

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26
Q

This refers to the backs of water discharge for plumbing fixtures in terms of fixture units

A

Maximum demand

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27
Q

It is a pipe which receives discharge of any picture except water closets and conveys it to the soil pipe

A

Waste pipe

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28
Q

General term for any vertical line of soil, waste and vent pipe

A

Stack

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29
Q

A pipe installed horizontally or vertically which receives the discharge of water closets

A

went vent

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30
Q

That portion of the event type through which liquid waste flow

A

Wet vent

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31
Q

A vent used where two or more fixture traps are installed on the horizontal or waste branch

A

Circuit vent

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32
Q

How many fixture unit values does one bathroom group has

A

Six

33
Q

What is the fixture unit value for water closet

A

Three

34
Q

At seal loss which is caused by a suspension of foreign object a string extended over the outlet

A

Capillary action

35
Q

A trap used for fixture suspended from waltz not receiving a large amount of water discharge

A

P-trap

36
Q

A pipe fitting which is used to join two pipes

A

Coupling

37
Q

Portion of the horizontal drainage system which starts from the outer face of the building and terminate at the main sewer in the street or the septic tank

A

House sewer

38
Q

Also known as dual or common vent

A

Unit vent

39
Q

Based on the plumbing code, no vent shall be less than 38 mm except for 32 mm _____

A

Soil pipe

40
Q

It connects roof terminals to the storm drain

A

roof leader

41
Q

The pipe which is considered as the most expensive all types of pipe

A

Brass

42
Q

It serves as a clean out and then access for inspections and repairs in the storm sewer

A

Manhole

43
Q

A type of house drain that receives discharges of sanitary waste as well as stormwater

A

combined drain

44
Q

A device designed to convey waste from garage, wash rack, grease pit and repair floors in to the house drain

A

Garage catch basin

45
Q

An acoustical analogy to the regular or specular reflection of light where the angle of incidence of an impinging soundwave equals the action of direction

A

ray diagram

46
Q

Distribute sounds the way larger or more distant audience

A

Sound reinforcing system

47
Q

It is the combination of microphones, signal processors, amplifiers and loudspeakers that makes live or pre-recorded sounds louder

A

Sound reinforcing system

48
Q

Boosts a low-voltage level signal and provide electrical power to drive a loudspeaker

A

Power amplifiers

49
Q

This system provides maximum realism as the listener will hear amplified sound from the direction of the natural sound

A

Central loudspeaker system

50
Q

It is the return of a sound wave from a surface

A

Reflection

51
Q

It is the scattering or random distribution of a sound wave from the surface

A

Diffusion

52
Q

It is the bell ding or flowing of a soundwave around an object

A

Defraction

53
Q

Resonate at certain audible frequencies this is called the _effect

A

Larsen effect

54
Q

Hey sound with a lower frequency wave generate a _ pitch

A

Higher

55
Q

Refers to sound that is absorbed, and not transmitted

A

Total sound absorption

56
Q

The persistence of sound in a particular space after the original sound is produced

A

Reverberation

57
Q

Tubing that contains individual insulated wires

A

Conduit

58
Q

Wire that carry current from the appliance back to the source

A

Neutral wire

59
Q

A flexible metal sheath with individual wires inside

A

Armored cable

60
Q

Electricity flow through the circuit and back to its source rapidly

A

Short circuit

61
Q

Electrical conductors which are 89 m² or smaller in size

A

Wires

62
Q

These are used the ground all metal boxes and appliances

A

Green wire

63
Q

Box with a blank cover where conductors meet join

A

Junction box

64
Q

Box with a black cover inserted to one more raceways to facilitate pulling of the conductors

A

Pull box

65
Q

An enclosure designed for surface mounting and having swinging doors or covers secured directly to and telescoping within the walls of the box proper

A

Panel box

66
Q

The methods and means of governing the performance of an electrical apparatus, equipment, fixtures, machine or system

A

Cut-out box

67
Q

The conductor encased within material of composition and thickness that is recognized by its code as electrical insulation

A

Insulated

68
Q

A measure of the rate of flow of electricity

A

Amperes

69
Q

A measure of electric pressure

A

Volts

70
Q

A Special switch which is an essential part of a standby power arrangement, basically in double throw

A

Automatic transfer switch

71
Q

A measure of the amount of energy or work that can be done

A

Watts

72
Q

A form of air switch in which hinge copper blame is placed between two clips

A

Knife Switch

73
Q

An assembly of module conductors used to carry our amount of current (power). Instead of using several parallel or single large conductor, a bar assembly is adapted.

A

Busway

74
Q

The most common conductor used in different types of house wires and cables. Its frequent use is due to its good electrical conductivity, low resistance, and mechanical strength

A

Copper

75
Q

A switch in which the interruption of a circuit occurs in air

A

Air switch

76
Q

Tubing that contains individual insulated wires

A

Conduit

77
Q

A point in the wiring system at which current is taken to supply utilization equipment, any point that supplies an electric load.

A

Outlet

78
Q

Ratio between the true power and the apparent power of a load in an AC circuit

A

Power factor

BU Correl (5 decks)

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