Category: Hydraulics and Fluid Mechanics

A. Red wood
B. Say bolt
C. Engler
D. Orsat
E. none of the above

A. U-tube with water
B. inclined U-tube
C. U-tube with mercury
D. micro-manometer with water
E. displacement type

A. surface tension
B. cohesion of the liquid
C. adhesion of the liquid molecules and the molecules on the surface of a solid
D. all of the above
E. none of the above

A. higher surface tension
B. lower surface tension
C. surface tension is no criterion
D. high density and viscosity
E. low density and viscosity

A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type

A. maximum
B. minimum
C. zero
D. non-zero and finite
E. unpredictable

A. specific weight
B. specific volume
C. specific speed
D. specific gravity
E. specific viscosity

A. the metal piece will simply float over the mercury
B. the metal piece will be immersed in mercury by half
C. whole of the metal piece will be immersed with its top surface just at mercury level
D. metal piece will sink to the bottom
E. none of the above

A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg.

A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above