Mech 2-1 FMHM

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Mech 2-1 FMHM
S.No	Chapters / Units	Download Link
1	Unit 1	Download
2	Unit 2	Download
3	Unit 3	Download
4	Unit 4	Download
5	Unit 5	Download

 Mech FMHM Important Topics Questions

UNIT I

Objective: After studying this unit student will know the concept of fluid and its properties, manometry, 

hydrostatic forces acting on different surfaces and also problem solving techniques.

Fluid statics: Dimensions and units: physical properties of fluids - specific gravity, viscosity and its 

significance, surface tension, capillarity, vapor pressure. Atmospheric, gauge and vacuum pressure, 

Measurement of pressure – Manometers - Piezometer, U-tube, inverted and differential manometers. 

Pascal’s & hydrostatic laws.

Buoyancy and floatation: Meta center, stability of floating body. Submerged bodies. Calculation of 

metacenter height. Stability analysis and applications.

UNIT II

Objective: In this unit student will be exposed to the basic laws of fluids, flow patterns, viscous flow

through ducts and their corresponding problems.

Fluid kinematics: Introduction, flow types. Equation of continuity for one dimensional flow, 

circulation and vorticity, Stream line, path line and streak lines and stream tube. Stream function and 

velocity potential function, differences and relation between them. Condition for irrotational flow, flow 

net, source and sink, doublet and vortexflow.

Fluid dynamics: surface and body forces –Euler’s and Bernoulli’s equations for flow along a stream

line, momentum equation and its applications, force on pipebend.

Closed conduit flow: Reynold’s experiment- Darcy Weisbach equation- Minor losses in pipes- pipes 

in series and pipes in parallel- total energy line-hydraulic gradient lin.

UNIT III

Objective: At the end of this unit student will be aware of the concepts related to boundary layer 

theory, flow separation, basic concepts of velocity profiles, dimensionless numbers and 

dimensional analysis.

Boundary Layer Theory: Introduction, momentum integral equation, displacement, momentum and 

energy thickness, separation of boundary layer, control of flow separation, Stream lined body, Bluff 

body and its applications, basic concepts of velocity profiles.

Dimensional Analysis: Dimensions and Units, Dimensional Homogeneity, Non dimensionalization of 

equations, Method of repeating variables and Buckingham Pi Theorem.

UNIT IV

Objective: In this unit student will know the hydrodynamic forces acting on vanes and performance

evaluation of hydraulic turbines.

Basics of turbo machinery: hydrodynamic force of jets on stationary and moving flat, inclined, 

and curved vanes, jet striking centrally and at tip, velocity diagrams, work done and efficiency, flowover radialvane

Hydraulic Turbines: classification of turbines, impulse and reaction turbines, Pelton wheel, 

Francis turbine and Kaplan turbine-working proportions, work done, efficiencies, hydraulic design –

draft tube- theory- functions andefficiency.

UNIT V

Objective: After studying this unit student will be in a position to understand the characteristic curves 

of hydraulic turbines and also evaluate the performance characteristics of hydraulic pumps.

Performance of hydraulic turbines: Geometric similarity, Unit and specific quantities, characteristic 

curves, governing of turbines, selection of type of turbine, cavitation, surge tank, water hammer. 

Hydraulic systems- hydraulic ram, hydraulic lift, hydraulic coupling. Fluidics – amplifiers, sensors and 

oscillators. Advantages, limitations and applications.

Centrifugalpumps: classification, working, work done – manometric head- losses and efficiencies-

specific speed- pumps in series and parallel-performance characteristic curves, cavitation & NPSH. 

Reciprocating pumps: Working, Discharge, slip, indicatordiagrams.

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