Open channel flow Subcritical flow Pipe flow Laminar flow
Answer Discuss in Comment
Rapidly varied flow Gradually varied flow Uniform flow None of the above
90° + half of the angle of shearing resistance 45° - half of the angle of shearing resistance 45° + half of the angle of shearing resistance 90°+ effective angle of shearing resistance
Double wall Partition wall Cavity wall Normal wall
Shear force Torsion Deflection Bending moment
Underpinning Shoring Form work Scaffolding
Rounded Flaky Irregular Angular
3/5 mean dimension 5/8 mean dimension ¾ mean dimension 2/3 mean dimension
500 mg/l 1000 mg/l 100 mg/l 2000 mg/l
Sedimentation Sedimentation and digestion (anaerobic) Digestion (aerobic) Decomposition of organic and inorganic matter by bactria
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