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GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering PDF Download

Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:A U-tube manometer with a small quantity of mercury is used to measure the static pressure difference between two locations A and B in a conical section through which an incompressible fluid flows. At a particular flow rate, the mercury column appears as shown in the figure. The density of mercury is 13600 kg/ m3 and g - 9.81 m/s2. Which of the following is correct?

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

[2005]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:A venturimeter of 20 mm throat diameter is used to measure the velocity of water in a horizontal pipe of 40 mm diameter. If the pressure difference between the pipe and throat sections is found to be 30 kPa then, neglecting frictional losses, the flow velocity is

[2005]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Air flows through a venturi and into atmosphere. Air density is ρa; atmospheric pressure is ρa; throat diameter is Dt; exit diameter is D and exit velocity is U. The throat is connected to a cylinder containing a frictionless piston attached to a spring. The spring constant is k. The bottom surface of the piston is exposed to atmosphere. Due to the flow, the piston moves by distance x. Assuming incompressible frictionless flow, x is

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

[2003]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Water flows though a vertical contraction from a pipe of diameter d to another of diameter d/2 (see fig.) The flow velocity at the inlet to the contraction is 2 m/s and pressure 200 kN/m2. If the height of the contraction measures 2m,then pressure at the exit of the contraction will be very nearly​

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

[1999]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:In a hand operated liquid sprayer (figure shown below) the liquid from the container rises to the top of the tube because of

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

[1990]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Air flows at the rate of 1.5 m3/s through a horizontal pipe with a gradually reducing crosssection as shown in the figure. The two crosssections of the pipe have diameters of 400 mm and 200 mm. Take the air density as 1.2 kg/m3 and assume inviscid incompressible flow. The change in pressure (p2 – p1) (in kPa) between sections 1 and 2 is

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

[2018, Set-2]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Within a boundary layer for a steady incompressible flow, the Bernoulli equation

[2015,Set-2]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Consider steady flow of water in a situation where two pipe lines (pipe 1 and pipe 2) combine into a single pipe line (pipe 3) as shown in figure.
The cross-sectional'area of all three pipelines are constant. The following data is given
GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering
Assuming the water properties and the velocities to be uniform across the cross-section of the inlets and the outlet, the exit velocity (in m/s) in pipe 3 is

[2009]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Consider steady, incompressible and irrotational flow through a reducer in a horizontal pipe where the diameter is reduced from 20 cm to 10 cm. The pressure in the 20 cm pipe just upstream of the reducer is 150 kPa. The fluid has a vapour pressure of 50 kPa and a specific weight of 5 kN/m3. Neglecting frictional effects, the maximum discharge (in m3/s) that can pass through the reducer without causing cavitation is

[2009]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:The following data about the flow of liquid was observed in a continuous Chemical process plant: 

GATE Past Year Questions: Fluid Dynamics | Fluid Mechanics for Mechanical Engineering
Mean flow rate of the liquid is

[2004]

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Question for GATE Past Year Questions: Fluid Dynamics
Try yourself:Navier Stoke's equation represents the conservation of

[2000]

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FAQs on GATE Past Year Questions: Fluid Dynamics - Fluid Mechanics for Mechanical Engineering

1. What is fluid dynamics?
Ans. Fluid dynamics is the study of the movement and behavior of fluids, including liquids, gases, and plasmas. It involves understanding how fluids flow, their interactions with solid objects, and the forces and pressures exerted by fluids.
2. What are the applications of fluid dynamics?
Ans. Fluid dynamics has numerous applications in various fields. It is used in designing efficient aerodynamics for aircraft and automobiles, understanding weather patterns and climate changes, optimizing fluid flow in pipelines and hydraulic systems, simulating blood flow in the human body, and studying ocean currents and marine ecosystems.
3. What are the fundamental principles of fluid dynamics?
Ans. The fundamental principles of fluid dynamics include conservation of mass, conservation of momentum, and conservation of energy. These principles govern the behavior of fluids and are used to develop mathematical models and equations to describe fluid flow.
4. How is fluid dynamics related to Bernoulli's principle?
Ans. Bernoulli's principle is a fundamental concept in fluid dynamics that relates the pressure, velocity, and elevation in a fluid flow. It states that as the velocity of a fluid increases, the pressure exerted by the fluid decreases. This principle is used to explain phenomena such as lift in airplane wings, flow in pipes, and the behavior of fluids in narrow channels.
5. What are some common challenges in studying fluid dynamics?
Ans. Studying fluid dynamics can be challenging due to the complex nature of fluid flow. Some common challenges include turbulence, boundary layer effects, multiphase flows, and non-Newtonian fluids. These complexities often require advanced mathematical modeling, computational simulations, and experimental techniques to accurately analyze and predict fluid behavior.
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Document Description: GATE Past Year Questions: Fluid Dynamics for Mechanical Engineering 2024 is part of Fluid Mechanics for Mechanical Engineering preparation. The notes and questions for GATE Past Year Questions: Fluid Dynamics have been prepared according to the Mechanical Engineering exam syllabus. Information about GATE Past Year Questions: Fluid Dynamics covers topics like and GATE Past Year Questions: Fluid Dynamics Example, for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for GATE Past Year Questions: Fluid Dynamics.
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