phase 2 Flashcards

(19 cards)

1
Q

what is the maximum waste pipe size for a bath and what is the maximum run length

A

50mm for 4m

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2
Q

what is the air gap size for auk2

A

25mm

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3
Q

what is the maximum joist notching depth for a 3m joist

A

1/8 of 3

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4
Q

how close after a guttering fitting do you need a clip

A

150mm

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5
Q

number 3 on this diagram

A

safety relief valve

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6
Q

name one disadvantage of a one pipe system

A

the last radiator on the loop will be cool

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7
Q

what do we call it when a gas turns in to a liquid

A

condensation

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8
Q

how do we calculate newtons

A

mass x acceleration

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9
Q

what size is half round gutter piping

A

112mm

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10
Q

whatbis the building regulation that covers macerators

A

g4

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11
Q

what building regulation covers adding to hot water storage systems

A

g3

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12
Q

what size fuse would you use for a domestic shower 2100kw

A

13 amp

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13
Q

what size primary pipe would be required for gravity systems

A

28mm

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14
Q

what type of fittings do you use on pvc-u

A

snap in

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15
Q

equivalent to 1 watt?

A

1 joule per second

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16
Q

if yuo half the size of a pipe what happens to the pressure

17
Q

advantage of pvcu guttering

A

cheaper lighter less fricton

18
Q

which regulation covers sanitation pipework

A

building reg part g