1000 kg of sewage contains________________?
A. 0.112 kg in suspension
B. 0.112 kg in solution
C. 0.225 kg in solution
D. Both A. and C. of above
A. 0.112 kg in suspension
B. 0.112 kg in solution
C. 0.225 kg in solution
D. Both A. and C. of above
A. Average demand
B. Twice the average demand
C. Thrice the average demand
D. Four times the average demand
A. D
B. D /2
C. D/3
D. D/4
A. The sewage when running full from inside, is called internal pressure
B. The internal pressure if any, causes tensile stress in the pipe material
C. Pressure sewers are designed to be safe in tension
D. All the above
A. Assets = liability + owner’s equity
B. Liability = assets + owners’ equity
C. Owner’s equity = assets + liability
D. Owner’s equity = liability – assets
A. Solvency
B. Leverage
C. Insolvency
D. Liquidity
A. First cost + interest of first cost
B. Annual cost – interest of first cost
C. First cost + cost of perpetual maintenance
D. First cost + salvage value