A. Driving wooden headed chisels
B. Rough dressing of stones
C. Carving of stones
D. Breaking small projection of stones
A. High velocity
B. High pressure
C. Weak material
D. Low pressure
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
A. Frictional force
B. Viscosity
C. Surface friction
D. All of the above
A. Smooth and streamline flow
B. Laminar flow
C. Steady flow
D. Highly turbulent flow
A. Supersonics, as with projectile and jet propulsion
B. Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
C. Simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
D. All of the above