A. H2SO4
B. HNO3
C. HCl
D. None of these
A. Near the inner surface of the pipe
B. Near the outer surface of the pipe
C. Both A. and B.
D. With elliptical cage
A. below the center of gravity
B. below the center of buoyancy
C. above the center of buoyancy
D. between e.g. and center of pressure
E. above the center of gravity
A. upthrust
B. reaction
C. buoyancy
D. metacentre
E. center of pressure
A. energy/unit area
B. distance
C. both of the above
D. it has no units
E. none of the above
A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid and potassium hydroxide
D. None of these
A. higher than the surface of liquid
B. the same as the surface of liquid
C. lower than the surface of liquid
D. unpredictable
E. none of the above