Calcium sulphate None of the above Calcium bicarbonate Magnesium sulohate
Answer Discuss in Comment
Always odourless Having fine organic soilds with high BoD Black tarry liquor with earthen odour Quite clear and sparkling
D= 864 ∆/B D= 8.64B/ ∆ D= 864B/ ∆ D= 8.64 ∆/B
Cross-sectional area of the channel Discharge of the channel Length of the channel Bed slope of the channel
D=8.64*B ∆ D=8.64*B*D D=8.64*B*D D=0.864*B*DB
Inudational canal Permanent canal Perennial canal Ridge canal
50 kmph 70 kmph 80 kmph 60 kmph
Culvert Minor bridge Medium bridge Major bridge
346 mm² 254 mm² 201 mm² 314 mm²
7 bags 9 bags 5 bas 10 bags
"Scientists dream about doing great things. Engineers do them."
