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Latest GATE 2019 Syllabus and Exam Pattern for Mechanical Engineering. GATE Exam Pattern and previous pattern.
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In the realm of mathematics, the concept of limits serves as a fundamental cornerstone that underpins various calculations,…
Explain Kaplan Turbine Main Characteristics of Kaplan Turbine Viktor Kaplan, an Austrian, developed this turbine in the year…
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Dimensional Analysis Definition
All engineering quantities can be defined in four basic or fundamental dimensions- Mass (M), Length (L), Time (T), and Temperature (θ).
Surface Tension
Surface tension occurs at the interface of the liquid and a gas or at the interface of two liquids.
Surface tension (σ) is inversely proportional to temperature.
It acts when fluid is at rest.
It is a surface phenomenon.
Types of Fluid
Newtonian Fluid
Non-Newtonian Fluid
Non- Newtonian Fluids
These types of fluids do not obey Newton’s Law of viscosity. The relation between Shear Stress and Velocity gradient is given by the following formula-
Vortex Motion
A whirling or rotating mass of fluid is called vortex flow.
The flow of the fluid in a curved path.
Free Vortex Flow
In this flow fluid mass rotates due to the conservation of angular momentum. The velocity profile is inversely proportional to the radius.
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