carbon dioxide hydrogen sulphide methane ammonia
Answer Discuss in Comment
filler of a low lying area manure soil builder fuel
allowing shock loading maintaining uniform pressure gases to accumulate fluctuations to be met
2 x av. flow 3 x av. flow 5 x av. flow 1-1/2 x av. flow
1% to 95% 0.10 to 0 0.01% to 95% 0.0001% to 100%
when flow gets divided at every corner when direction or grade changes at every 500 m intervals
fall manhole drop manhole flight manhole lamp hole
maximum (i.e., vertical) zero low steep
their tops should be at the same level their centres should be at the same level their bottoms should be at the same level they can be either way
0.6 m 0.9m 1.2 m 2.4 m
"Scientists dream about doing great things. Engineers do them."
