plumbing

[kellyboot182]

What is the maximum height of the wc above the invert of the drain on a stub stack system????

Q2, The minimum height to which a vent pipe must discharge above an openable window is???

Q3, The air -pressure test duration for an above ground drainage system is???
a, 1 min
B, 2min
c, 3min
d, 5min

Q4,An above ground discharge system is tested to a water gauge pressure of???

 

[chr15]

What is the maximum height of the wc above the invert of the drain on a stub stack system????

Q2, The minimum height to which a vent pipe must discharge above an openable window is???

Q3, The air -pressure test duration for an above ground drainage system is???
a, 1 min
B, 2min
c, 3min
d, 5min

Q4,An above ground discharge system is tested to a water gauge pressure of???

I give up, what is it??

 

[kellyboot182]

I dont no thats why i ask
i'm doing a plumbing coures and there is a few questions i dont no

 

[WelshMan]

1. 1.5 m

2. 0.9m

3.0 think its 5.0mins

4.0 38mm

 

[kellyboot182]

Thank you so much for your help