5 mm
10 mm
20 mm
30 mm
D. 30 mm
Bourdon tube
Pirani Gauge
Micro-manometer
Lonisation gauge
Sill or crest
Nappe or vein
Orifice
None of these
Supersonics, as with projectile and jet propulsion
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
All of the above
Steady
Unsteady
Laminar
Vortex
1/16 to 1/8
1/8 to 1/4
1/4 to 1/3
1/3 to 1/2
One-half
One-third
Two-third
None of these
Centre of gravity
Centre of pressure
Metacentre
Centre of buoyancy
Venturimeter
Orifice meter
Pitot tube
All of these
1.84 (L - 0.1nH)H3/2
1.84 (L - nH)H2
1.84 (L - 0.1nH)H5/2
1.84 (L - nH)H3
(2A√H₁)/(Cd × a√2g)
(2AH₁)/(Cd × a√2g)
(2AH₁3/2)/(Cd × a√2g)
(2AH₁²)/(Cd × a√2g)
Higher
Lower
Same as
None of these
Real fluid
Ideal fluid
Newtonian fluid
Non-Newtonian fluid
Metres² per sec
kg sec/meter
Newton-sec per meter
Newton-sec² per meter
An equivalent pipe is treated as an ordinary pipe for all calculations
The length of an equivalent pipe is equal to that of a compound pipe
The discharge through an equivalent pipe is equal to that of a compound pipe
The diameter of an equivalent pipe is equal to that of a compound pipe
Inertia force
Viscous force
Gravity force
All of these
One dimensional flow
Uniform flow
Steady flow
Turbulent flow
It has low vapour pressure
It is clearly visible
It has low surface tension
It can provide longer column due to low density
Same as
Less than
More than
None of these
100 litres
250 litres
500 litres
1000 litres
The direction and magnitude of the velocity at all points are identical
The velocity of successive fluid particles, at any point, is the same at successive periods of time
The magnitude and direction of the velocity do not change from point to point in the fluid
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
Sub-sonic velocity
Super-sonic velocity
Lower critical velocity
Higher critical velocity
Red wood
Say bolt
Engler
Orsat
Less
More
Equal
Less at low temperature and more at high temperature
(H - hf )/H
H/(H - hf )
(H + hf )/H
H/(H + hf )
Surface tension
Viscosity
Friction
Cohesion
0.1 N-s/m2
1 N-s/m2
10 N-s/m2
100 N-s/m2
Shear stress to shear strain
Increase in volume to the viscosity of fluid
Increase in pressure to the volumetric strain
Critical velocity to the viscosity of fluid
4.1 s
5.2 s
10.4 s
14.1 s
Centroid of the volume of fluid vertically above the body
Centre of the volume of floating body
Center of gravity of any submerged body
Centroid of the displaced volume of fluid
3.53 kN
33.3 kN
35.3 kN
None of these