Q.1
Which of the following is an incorrect statement ?
Q.2
Flow occurring in a pipeline when a valve is being opened is
Q.3
Dynamic viscosity of most of the liquids with rise in temperature
Q.4
Dynamic viscosity of most of the gases with rise in temperature
Q.5
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be
Q.6
The value of mass density in kgsecVm4 for water at 0°C is
Q.7
The buoyancy depends on
Q.8
For pipes, laminar flow occurs when Roynolds number is
Q.9
The speed of sound in a ideal gas varies directly as its
Q.10
Liquids transmit pressure equally in all the directions. This is according to
Q.11
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to
Q.12
Poise is the unit of
Q.13
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will
Q.14
Viscosity of water in comparison to mercury is
Q.15
Select the incorrect statement.
Q.16
Kinematic viscosity is equal to
Q.17
The losses are more in
Q.18
The increase of temperature results in
Q.19
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is
Q.20
The bulk modulus of elasticity with increase in pressure
Q.21
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is
Q.22
The maximum thickness of boundary layer in a pipe of radius r is
Q.23
The speed of a pressure wave through a pipe depends upon
Q.24
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea
Q.25
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water
Q.26
The vapour pressure over the concave surface is
Q.27
The equation of continuity holds good when the flow
Q.28
Pitot tube is used for measurement of
Q.29
Principle of similitude forms the basis of
Q.30
Select the correct statement.
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