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Fluid Mechanics
Higher Study | Fluid Mechanics
Practice Higher Study | Fluid Mechanics on Bissoy — browse topics below and open any question.
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Turbomachinery
Fluid Kinematics
Pressure Measurement
Properties of Fluids
Flow Through Pipes
Open Channel Flow
Buoyancy and Floatation
Flow Measurement
Fluid Dynamics
Laminar Flow
Boundary Layer Theory
Dimensional and Model Analysis
Hydrostatic Force
Questions
Which of the following is not a requirement for site selection of hydroelectric power plant?
ক
Large catchment area
খ
Rocky land
গ
Sedimentation
ঘ
Availability of water
Which of the following statements are true?
ক
Energy can be created and destroyed
খ
Energy cannot be created but only destroyed
গ
Energy cannot be destroyed but only created
ঘ
Energy can neither be created nor destroyed
How many types of weirs are there based on the shape of the crest?
ক
6
খ
4
গ
5
ঘ
3
A simple U tube manometer connected to a pipe in which liquid is flowing with uniform speed will give which kind of pressure?
ক
Absolute Pressure
খ
Vacuum Pressure
গ
Gauge Pressure
ঘ
None of the mentioned
Which type of turbine is a Francis Turbine?
ক
Impulse Turbine
খ
Screw Turbine
গ
Reaction turbine
ঘ
Turgo turbine
Which of the following is a positive displacement pump?
ক
Centrifugal pump
খ
Diffuser pump
গ
Axial pump
ঘ
Reciprocating pump
Which of the following is an example of impulse turbine?
ক
Propeller turbine
খ
Francis turbine
গ
Kaplan turbine
ঘ
Pelton wheel
Which of the following is not a unit of pressure?
ক
Bar
খ
N/m2
গ
Kg/m2
Which pump is more suitable for an application where very high pressure is required to be developed at moderate discharge?
ক
Reciprocating pump
খ
Centrifugal pump
গ
Turbine
ঘ
None of the mentioned
A one dimensional flow is one which
ক
Is uniform flow
খ
Is steady uniform flow
গ
Takes place in straight lines
ঘ
Involves zero transverse component of flow
Head developed by a centrifugal pump depends on
ক
Impeller diameter
খ
Speed
গ
Fluid density
ঘ
Both (A) and (B) above
The buoyancy depends on
ক
Mass of liquid displaced
খ
Viscosity of the liquid
গ
Pressure of the liquid displaced
ঘ
Depth of immersion
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
ক
Steady flow
খ
Turbulent flow
গ
Vortex flow
ঘ
Uniform flow
Uniform flow occurs when
ক
The direction and magnitude of the velocity at all points are identical
খ
The velocity of successive fluid particles, at any point, is the same at successive periods of time
গ
The magnitude and direction of the velocity do not change from point to point in the fluid
ঘ
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each pleasure
The resultant upward pressure of the fluid on an immersed body is called
ক
upthrust
খ
buoyancy
গ
center of pressure
ঘ
all the above are correct
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