1 pascal pressure is equal to
1. 1 m water pressure
2.10.01 m water pressure
3.0.01 m water pressure
4.0.0001 m water pressure
Posted Date:-2022-09-22 14:56:55
A flow in which the quantity of liquid flowing per second is constant is called
1.Turbulent flow
2.Steady flow
3.Streamline flow
4.Unsteady flow
Posted Date:-2022-09-22 14:49:34
A Newtonian fluid is defined as the fluid which
1. obeys Newton's law of viscosity
2.is incompressible and viscous
3. is compressible and non viscous
4.is highly viscous
Posted Date:-2022-09-22 14:59:26
Apart from inertia force, which of the following forces is most important in motion of submarines under water?
1.surface tension force
2.compressive force
3.gravity force
4. viscous force
Posted Date:-2022-09-22 15:04:57
Dimension of dynamic viscocity is
1.MLT-1
2. MLT-2
3. ML2T-1
4. ML-1T-1
Posted Date:-2022-09-22 14:54:50
Equation of continuity is based on the principle of conservation of
1.momentum
2.energy
3.mass
4.none of the above
Posted Date:-2022-09-22 15:05:42
For measuring small difference of pressure
1.mercury manometers are used
2.micromanometer is used
3.differential manometer is advantageous
4. simple manometer is preferred
Posted Date:-2022-09-22 15:09:37
Maximum loss of head in flow through pipe is due to
1. an outlet
2.friction
3.sudden contraction
4.sudden enlargement
Posted Date:-2022-09-22 15:00:54
Newton's law of viscocity states that shear stress is directly proportional to
1.Velocity gradient
2.Viscocity
3.Shear strain
4.Velocity
Posted Date:-2022-09-22 14:53:47
Stoke is the unit of
1.Kinematic viscocity
2.Dynamic viscocity
3.Specific volume
4.Specific weight
Posted Date:-2022-09-22 14:53:01
Surface tension is a
1. force per unit volume
2.force per unit surface area
3.llne force
4.all the above
Posted Date:-2022-09-22 15:08:24
The atmospheric pressure at sea level is
1.360 mm of mercury
2.600 mm of mercury
3.660 mm of mercury
4.760 mm of mercury
Posted Date:-2022-09-22 14:48:47
The depth of flow of water in a channel corresponding to the minimum specific energy is known as
1.Hydraulic gradient line
2.Hydraulic radius
3.Critical depth
4.None of the above
Posted Date:-2022-09-22 14:52:09
The dynamics of fluid in which normal stresses and shear stresses in all the three mutually perpendicular directions is considered is known as
1.Bernoulli's theory
2.Euler's theory
3.Reynolds theory
4.Navier-Stokes theory
Posted Date:-2022-09-22 14:51:11
The motion of air mass in a tornado is a
1.forced vortex at centre and free vortex outside
2.free vortex at centre and forced vortex outside
3.forced vortex motion
4.free vortex motion
Posted Date:-2022-09-22 15:04:04
The property of water to wet a solid surface when it comes in contact is known as
1.Capillary action
2.Vapour pressure
3.Viscocity
4.Surface tension
Posted Date:-2022-09-22 14:55:43
The reciprocal of coefficient of compressibility is know n as
1.bulk modulus of elasticity
2.capillary action
3.viscocity
4. vapour pressure
Posted Date:-2022-09-22 15:07:08
The science that considers the forces causing flow of fluids is known as
1.Statics of fluid
2.Dynamics of fluid
3.Kinematics of fluid
4.None of these
Posted Date:-2022-09-22 14:50:22
The viscosity of a gas
1. is independent of pressure for very high pressure intensities
2.is independent of temperature
3. increases with increase in temperature
4.decreases with increase in temperature
Posted Date:-2022-09-22 15:02:00