A. Flushing
B. Cane rodding
C. Wooden pills
D. None of these
A. basalt
B. granite
C. quartz
D. syenite
A. quartz
B. mica
C. gypsum
D. none of the above
A. 5
B. 10
C. 15
D. 20
A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. Air pressure pump
A. More than the rate of water supply
B. Equal to the rate of water supply
C. Less than the rate of water supply
D. At 150 litres per capita
A. Buoyancy
B. Equilibrium of a floating body
C. Archimedes’ principle
D. Bernoulli’s theorem
E. Metacentric principle