A. The shape is rectangular
B. Detention period is 2 hours
C. The velocity of flow is restricted to 0.30 m/minute
D. All the above
Related Mcqs:
- Imhoff cone is used to determine_____________________?
A. Settleable solids
B. Suspended solids
C. Dissolved solids
D. None of these - Imhoff cone is used to measure________________?
A. Total organic solids
B. Total solids
C. Total in organic solids
D. Settleable solids - In case of sewer lines_________________?
A. Water test is carried out to check water tightness of the joints
B. Test for straightness is carried out with the help of a lamp and mirror
C. Obstruction test is carried out with the help of smooth ball of diameter 13 mm
D. All the above - In case of bankruptcy of a partnership________________?
A. The partners are not liable for the liabilities of the partnership
B. The partnership assets (excluding the partners personal assets) only will be used to pay the liabilities
C. The partners personal assets are attached to the debt of the partnership
D. The partners nay sell stock to generate additional capital - The angle of contact in case of a liquid depends upon____________________?
A. the nature of the liquid and the solid
B. the material which exists above the free surface of the liquid
C. both of die above
D. any one of the above
E. none of die above - Resultant pressure of the liquid in the case of an immersed body acts through _________________?
A. center of gravity
B. center of pressure
C. metacentre
D. center of buoyancy
E. in between e.g. and center of pressure - In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?
A. constant
B. variable
C. zero
D. zero under limiting conditions
E. never zero - The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream________________?
D. keeps on increasing
B. keeps on decreasing
C. remains constant
D. may increase/decrease
E. unpredictable - For a continuous flow type of sedimentation tanks__________________?
A. Width of the tank is normally kept about 6 m
B. Length of the tank is normally kept 4 to 5 times the width
C. Maximum horizontal flow velocity is limited to 0.3 m/minute
D. All the above - Skimming tanks are__________________?
A. Used to remove the grease and oil
B. Those from which sludge is skimmed out
C. Tanks provided with self- cleansing screens
D. Improved version of grit chambers
