0.5, then the kinematic viscosity of that fluid in stokes is

tank will be

vertically in a static mass of fluid is

horizontal is equal to

its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the

free surface. The position of center of pressure below the free surface

will be at a distance of

then the body will

between the

the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the

weight of the block is

of the liquid may be taken to act is known as

acceleration equal to ‘g’ then

d) none of the above

axis as a rigid body, the pressure intensity varies

rotated with an acceleration such that half of the water spills out, then

the acceleration is equal to

rotated about its vertical axis at such a speed that half the liquid spills

out, then the pressure intensity at the center of bottom is

along a straight line at a constant speed. The tank also contains a steel

ball and a bubble of air. If the tank is decelerated horizontally, then

ii) the bubble will move to the front

iii) the ball will move to the rear

correct ?

the stream lines are 2 cm apart at a great distance from the airfoil, where

the velocity is 30 m/sec. The velocity near the airfoil, where the stream

lines are 1.5 cm apart, is

correction factor for momentum is

uniform over the remaining half, then the momentum correction factor

is

remaining 2/3rd of the cross-section, then the correction factor for

kinetic energy is

fluid

equation ?

orifice is

crested weir is reduced by

a) Coefficient of contraction of a venturimeter is unity.

vertical or inclined.

a) is independent of Reynolds number

to that for an orifice discharging free is

of flow is

problems.

laminar flow.

m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8

poise, the Reynolds number will be

parallel plates, both at rest, is

thickness in laminar flow varies as

equal to the average velocity of flow for a uniform laminar flow witha

free surface, will be

equal to average velocity for turbulent flow, is

10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag

on the sphere is

flow

flow, the largest total drag will be on

pressure drag?

turbulent flow is

106 is approximately equal to

friction factor f is

roughness

flow in circular pipes is

is one-third die wall shear stress, is

cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

diameter pipe. The maximum velocity for laminar flow will be

m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the

valve will be

speed of pressure wave), the portion of pipe length subjected to

maximum head is

is above the elevation of reservoirs B and C and below reservoir A, then

the direction of flow will be

of an equivalent pipe is 40 cm, then its length is

connected in series. The diameter of an equivalent pipe of same length is

ratio of loss of head due to friction and total head supplied is

edge of a flat plate, kept at zero angle of incidence to the flow direction,

is O.1 cm. The velocity outside the boundary layer is 25 ml sec.

momentum thickness m and energy thickness e is

equal to

a) (i) and (iii)