A. it has zero viscosity

B. it is frictionless

C. it is incompressible

E. it has uniform viscosity

A. Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force

B. Viscosity is expressed as poise, stoke, or saybolt seconds

C. Viscosity of liquids decreases with in-crease in temperature

D. Viscosity is due primarily to interaction between fluid molecules

A. decreases

B. increases

D. none of the above

E. remains same

B. friction

C. viscosity

D. adhesion

E. cohesion

A. adhesion

B. compressibility

C. surface tension

E. viscosity

B. viscosity index

C. coefficient of viscosity

D. coefficient of compressibility

E. specific viscosity

B. p = T/2r

C. p = T/r

D. p = Txr

E. none of the above

B. 10,000

C. 2100

D. 1000

E. 2700

A. 0K

B. all temperature

D. 0C

A. The horizontal component of the hydro-static force on any surface is equal to the normal force on the vertical projection of the surface

B. The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area

C. Center of pressure acts at a greater depth than center of gravity

D. The horizontal component acts through the center of pressure for the vertical projection

A. dissolved air

B. heavy water

C. suspended matter

E. dissolved salt

A. any weight, floating or immersed in a liquid, is acted upon by a buoyant force

B. The point through which buoyant force acts, is called the center of buoyancy

D. Buoyant force is equal to the weight of the liquid displaced

E. Relative density of liquids can be determined by means of the depth of flotation of hydrometer

A. energy/unit area

B. distance

D. it has no units

E. none of the above

A. equal to the vapour pressure over the plane surface

B. none of the above

C. zero

E. greater than the vapour pressure over the plane surface

A. adhesion

B. viscosity

C. compressibility

E. cohesion

A. atmospheric pressure

B. force of cohesion

C. force of adhesion

D. viscosity

A. possess none of the above properties

B. are viscous

C. are compressible

D. possess surface tension

A. adhesion

B. all of the above

C. surface tension

D. cohesion

A. fluid

B. water

C. perfect solid

E. gas

A. surface tension

B. compressibility

D. viscosity

E. adhesion

B. Local atmospheric pressure depends upon elevation of locality only

C. Local atmospheric pressure is always below standard atmospheric pressure

D. A barometer reads the difference be-tween local and standard atmospheric pressure

E. Gauge piessure is equal to atmospheric pressure plus instrument reading

B. higher/lower depending on temperature

C. unpredictable

D. lower

E. same

A. For stability of floating cylinders or spheres, the e.g. of body must lie below the center of buoyancy

B. If e.g. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium for all positions

C. For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy

E. The center of buoyancy is located at the center of gravity of the displaced liquid

A. specific gravity = gravity x density

B. kinematicviscosity = dynamicviscosity x density

D. gravity = specific gravity x density

E. hydrostaticforce = surface tension x gravity

A. cannot be subjected to shear forces

B. flows

D. always expands until it fills any container

E. has the same shear stress.at a point regardless of its motion

B. none of the above

C. pressure of the liquid displaced

D. viscosity of the liquid

E. depth of immersion

A. it provides accurate readings

B. it provides suitable meniscus for the inclined tube

D. its density is less

E. it provides longer length for a given pressure difference

A. none of the above

B. at normal pressure of 760 mm

C. at 4C temperature

D. at mean sea level

A. 5.0 above the hydraulic gradient

B. 2.4 m above the hydraulic gradient

C. 10.0 m above the hydraulic gradient

D. none of the above

A. laminar

B. quasi static

C. static

D. steady state

A. it has low surface tension

B. is provides suitable meniscus

C. it is clearly visible

E. it has low vapour pressure

A. 4000 kg

B. 500 kg

C. 1500 kg

D. 1000 kg

A. 9.75 m/sec2

B. 10.2/m sec

C. 9 m/sec

E. 9.81 m/sec2

A. low density and viscosity

B. surface tension is no criterion

C. high density and viscosity

D. lower surface tension

A. 100C

C. 0C

D. 20C.

E. 0K