Plumbing and Sanitary Systems - JACB Flashcards

1
Q

Three major phases/processes that water undergoes in the water cycle

A

Evaporation, Condensation, Precipitation

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2
Q

The process by which water is given off to atmosphere from vegetation.

A

Transpiration

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3
Q

Give three other forms of precipitation other than rainfall.

A

Snow, Hail, Sleet

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4
Q

The movement of precipitation through soil after entrance into the ground.

A

Percolation

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5
Q

Water found in the Zone of Saturation.

A

Ground Water

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6
Q

The water-bearing stratum or formation.

A

Aquifer

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7
Q

Types of wells.

A

Artesian, Shallow, Bored, Jetted, Driven, Drilled

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8
Q

Types of aquifers (soil types that absorb water).

A

Sand, Sandstone, Gravel

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9
Q

Two common types of flexible pipes for water distribution.

A

Polyethylene (PE) and Polybutylene (PB)

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10
Q

Two common types of pump used for bored and drilled wells.

A

Piston and Centrifugal

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11
Q

Type of shut-off valve with fixed inlet and outlet.

A

Globe Valve

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12
Q

Pipe fitting used to avoid backflow of water.

A

Check Valve

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13
Q

Pipe used for hot water distribution.

A

UPVC (Rigid), PE and PB (Flexible)

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14
Q

Considered the safest/purest source of natural water.

A

Rain Water

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15
Q

Type of self-acting valve used to close off water supply inlet in the storage tank when the designated level is reached.

A

Float Valve

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16
Q

Method to reduce odor in water.

A

Aeration

17
Q

Trigger switch in a multi-point heater that requires minimal pressure.

A

Flow Switch

18
Q

A type of valve commonly used for supply pipes of fixtures for purposes of maintenance and repairs.

A

Angle Valve

19
Q

Type of well that can provide good quality water.

A

Drilled Well

20
Q

Pipe fitting used to join 2 pipes already set in place.

A

Union (Patented)

21
Q

True or False: A 30psi pressure can bring up water up to 10 storeys or 31.70 meters.

A

False (45psi)

22
Q

True or False: The probability of simultaneous use of fixtures depends on the total fixture units involved.

A

True

23
Q

True or False: A check valve can also be used to join two similar pipes together.

A

True

24
Q

True or False: A spring valve is a type of check valve.

A

True

25
Q

True or False: A flow switch operated heater is commonly preferred because of its economical use.

A

False

26
Q

True or False: Six (6) meters is the commercial length of most flexible pipes.

A

False

27
Q

True or False: A fixture unit is equivalent to 8 liters of water discharge per minute interval.

A

False (7.5gal - 8gal)

28
Q

True or False: A urinal discharges 5 gallons of water per operation.

A

False (5FU = 40gal)

29
Q

True or False: A solar heater is more economical in the long-term use.

A

True

30
Q

True or False: A multi-point heater requires more hot water pipe than a single-point water heater.

A

False