Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains With beds of rocks and gravels Neither A. nor B. Lined with stones Both A. and B. With beds of rocks and gravels Neither A. nor B. Lined with stones Both A. and B. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Size None of these Shape Weight Size None of these Shape Weight ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.085 1.095 1.065 1.075 1.085 1.095 1.065 1.075 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Horse shoe shaped Egg shaped Parabolic shaped Circular shaped Horse shoe shaped Egg shaped Parabolic shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 8 to 16 hours 16 to 24 hours 4 to 8 hours 24 to 36 hours 8 to 16 hours 16 to 24 hours 4 to 8 hours ANSWER DOWNLOAD EXAMIANS APP