A. specific mass

B. specific density

C. specific weight

E. none of the above

A. turbulent flow

B. one dimensional flow

D. steady flow

E. uniform flow

A. at center of pressure

B. at metacentre

C. above the centroid

E. at the centroid

A. velocity in pipes

B. atmospheric pressure

C. very low pressure

E. pressure in pipes, channels etc.

A. hot wire anemometer

B. Orifice plate

C. Venturimeter

E. rotameter

A. 4 x (225)3/2 minutes

B. 900 minutes

D. 4 minutes

E. 4 (225)1/3 minutes

A. the direction and magnitude of the velocity at all points are identical

B. velocity, depth, pressure, etc. change from point to point in the fluid flow

C. the velocity of successive fluid pai-ticles, at any point, is the same at successive periods of time

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plsr.e

A. less than 2000

B. less than 4000

D. none of the above

E. between 2000 and 4000

A. inclined line with flow downward

B. inclined line with upward flow

C. vertical line

E. horizontal line

A. compressibility of fluids

B. open channel/pipe flow

C. steady/unsteady flow

E. viscous/unviscous fluids

A. 91Pa

C. 981 Pa

D. 1 Pa

E. 98,100 Pa

B. center of buoyancy and metacentre

C. the center of gravity of the body and the center of buoyancy

D. the center of gravity of the body and the center of pressure

E. none of the above

A. lift

C. drag

D. boundary layer

E. aerofoil section

B. co-efficient of viscosity

C. surface tension

D. osmosis

E. cohesion

B. force necessary to keep a body in equilibrium

C. none of the above

D. resultant force acting on a floating body

E. equal to the volume of liquid displaced

A. force of adhesion

B. force of cohesion

D. viscosity

E. atmospheric pressure

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

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

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

A. none of the above

B. metres2 per sec

C. kg sec/meter

D. newton-sec2 per meter

B. all the above are correct

C. upthrust

D. none of above is correct

E. center of pressure

A. only when the fluid is incompressible and has zero viscosity

C. irrespective of the motion of one fluid layer relative to an adjacent layer

D. in case of an ideal fluid

E. only when the fluid is frictionless

A. none of the above

C. pressure is increased

D. flow is increased

E. pressure becomes more than critical pressure

A. ratio of inertial force to force due to gravitation

C. ratio of inertial force to force due to surface tension

D. ratio of inertial force to force due to viscosity

A. above the center of gravity

B. could be above or below e.g. depending on density of body and liquid

D. unpredictable

E. at the center of gravity

A. Reynolds number

B. none of the above

C. Webers number

D. Froude number

A. metacentre

B. center of gravity

C. in between e.g. and center of pressure

E. center of buoyancy

A. length and diameter

B. flow and length

D. friction factor and diameter

E. velocity and diameter

A. keeps on decreasing

B. may increase/decrease

D. keeps on increasing

E. unpredictable

A. buoyancy, pressure

B. inertial, gravity

C. buoyancy, inertial

E. gravity, pressure

A. at center of pressure

B. at metacentre

C. vertically downwards

E. at e.g. of body

A. venturi

B. rotameter

C. nozzle

D. orifice plate

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

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

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

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

A. supersonics, as with projectile and jet propulsion

C. none of the above

D. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ships hulls

E. all of the above

A. takes place in straight lines

B. takes place in one dimension

C. is uniform flow

D. is steady uniform flow

A. minimum

B. zero

C. maximum

D. negative value

A. momentum

B. mass

C. force

E. work

A. none of the above

B. partly immersed

D. float over fluid

E. sink to bottom

A. unity

C. greater than unity

D. greater than 2

E. greater than 10

A. Newtons law of viscosity .

B. Second law of thermodynamic

D. Daltons law of partial pressure

E. Avogadros hypothesis

A. it is the best liquid

B. the height of barometer will be less

C. its vapour pressure is so low that it may be neglected

E. it moves easily

A. turbulent flow

B. steady flow

C. one dimensional flow

D. streamline flow

A. 10 mm

C. 1 mm

D. 20 mm

E. 5 mm

A. 20 mm

B. 1 mm

C. 10 mm

E. 5 mm

A. = Txr

B. none of the above

D. p = T/2r

E. = T/r

A. cohesion of the liquid

B. none of the above

C. adhesion of the liquid molecules and the molecules on the surface of a solid

D. surface tension

A. same

B. unpredictable

D. lower/higher depending on weight of body

E. higher

A. center of gravity

B. meta center

C. none of the above

D. center of buoyancy

A. the magnitude and direction of the velocity do not change from point to point in the fluid

B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

E. velocity, depth, pressure etc. change from point to point in the fluid flow

A. density

B. specific gravity of gases

C. specific gravity of solids

E. relative humidity

A. 52.2 cm

B. 50 cm

D. 51.7 cm

E. 52 cm

A. velocity and pressure are inversely proportional

C. principle of conservation of mass holds

D. total energy is constant throughout

E. none of the above