Diploma Civil Hydraulics Question Papers pdf
Dear Students
Welcome to diplomaexamcorner.com. Here we added Diploma question papers, We have added Diploma Civil Hydraulics Question Papers pdf from the years April 2014 to April 2019
Hydraulics is considered as one of the tough subject for Civil department
We hope this Question Papers will help you to anlayze the important questions and get good marks in the upcoming semester Exam
Thank You
Admin, Diploma Exam Corner.
Civil Hydraulics Syllabus
Unit 1 INTRODUCTION,MEASUREMENT OF PRESSURE, HYDROSTATIC PRESSURE ON SURFACES
1.1 INTRODUCTION
Hydraulics – Definition – Properties of fluids – Mass, force, weight, specific volume, specific gravity, specific weight, density, relative density, compressibility, viscosity, cohesion, adhesion, capillarity and surface tension – Dimensions and Units for area, volume, specific volume, velocity, acceleration, density, discharge, force,
pressure and power.
1.2 MEASUREMENT OF PRESSURE
Pressure of liquid at a point – Intensity of pressure – Pressure head of liquid – Conversion from intensity of pressure to pressure head and vice-versa – Formula and Simple problems – Types of pressures – Static pressure, Atmospheric pressure, Gauge
pressure, Vacuum pressure and Absolute pressure – Simple problems – Measurement of pressure – Simple mercury barometer Pressure measuring devices- Piezometer tube – Simple U-tube manometer – Differential manometer – Micrometer – Problems.
1.3 HYDROSTATIC PRESSURE ON SURFACES
Pressure on plane surfaces – Horizontal, vertical and inclined surfaces-Total pressure-Centre of pressure – Depth of centre of pressure – Resultant pressure – Problems on Practical application Sluice gates, Lock gates and Dams- Descriptions.
Unit 2 FLOW OF FLUIDS FLOW THROUGH ORIFICES AND MOUTHPIECES FLOW THROUGH PIPES
2.1 FLOW OF FLUIDS
Types of flow – Laminar and turbulent flow – Steady and unsteady flow – Uniform and Non-uniform flow – Equation for continuity of flow (law of conservation of mass) – Energy possessed by a fluid body – Potential energy and Potential Head – Pressure energy and Pressure Head – Kinetic Energy and Kinetic Head – Total Energy and Total Head – Bernoulli’s theorem – ( No proof) – Problems on Practical applications of
Bernoulli’s theorem – Venturimeter – Orificemeter (Derivation not necessary) – Simple problems.
2.2 FLOW THROUGH ORIFICES AND MOUTHPIECES
Definitions- Types of orifices – Vena contracta and its significance – Hydraulic coefficients Cd, Cv and Cc – Formula – Simple problems – Large orifice – Definition – Discharge formula – Simple problems – Practical applications of orifices – Types of mouthpieces – External and internal mouthpieces – Discharge formula – Simple problems.
2.3 FLOW THROUGH PIPES
Definition of pipe-Losses of head in pipes – Major losses – Minor losses – Sudden enlargement, sudden contraction, obstruction in pipes (no proof) – Simple problems – Energy / Head losses of flowing fluid due to friction – Darcy’s equation – Chezy’s equation (No derivation) – Problems – Transmission of power through pipes – Efficiency – Pipes in parallel connected to reservoir – Discharge formula – Simple problems.
Unit 3 FLOW THROUGH NOTCHES FLOW THROUGH WEIRS
3.1 FLOW THROUGH NOTCHES
Definitions- Types of notches – Rectangular, Triangular and Trapezoidal notches – Derivation of equations for discharges – Simple problems – Comparison of V-Notch and Rectangular Notch.
3.2 FLOW THROUGH WEIRS
Definitions – Classification of weirs – Discharge over a rectangular weir and trapezoidal weir – Derivation – Simple problems – End contractions of a weir – Franci’s and Bazin’s
formula – Simple problems – Cippoletti weir – Problems – Narrow crested weir – Sharp crested weir with free over fall – Broad crested weir – Drowned or Submerged weirs – Suppressed weir – Stepped weir – Problems – Definition of terms – Crest of sill, Nappe or Vein, Free discharge – Velocity of approach – Spillways and Siphon spillway -Definition
Unit 4 FLOW THROUGH OPEN CHANNELS
4.1 FLOW THROUGH OPEN CHANNELS
Definition – Classification – Rectangular and Trapezoidal channels – Discharge – Chezy’s formula, Bazin’s formula and Manning’s formula – Hydraulic mean depth – Problems – Conditions of rectangular/trapezoidal sections – Specific energy, critical depth –Conditions of maximum discharge and maximum velocity – Problems – Flow in a venturiflume –Uniform flow in channels – Flow through a sluice gate – Types of channels – Typical crosssections of irrigation canals – Methods of measurements of
velocities – Channel losses – Lining of canals – Advantages of lining of canals – Types of lining- Cement concrete lining with sketches – Soil cement lining with sketches – LDPE lining
Unit 5 GROUND WATER PUMPS
5.1 GROUND WATER
Aquifer – Water table – Exploring the availability of ground water – Taping of ground water – Open well – Bore well-Types of well construction – Yield of a open well – Equation – Specific capacity or specific yield of a well -Test for yield of well – Methods of rain water harvesting – Sanitary protections – No problems.
5.2 PUMPS
Pumps – Definition – Difference between a pump and a turbine
Classification of pumps – Positive displacement pumps and rotodynamic pressure pumps – Characteristics of modern pumps –
Maximum recommended suction, lift and power consumedReciprocating pump – Construction detail and working principle –
Types – Single acting and Double acting -Slip -Air vesselsDischarge and Efficiency- Problems – Centrifugal pump – Advantages and disadvantages over a reciprocating pump – Layout -Construction details – Priming of centrifugal pump – Working of the pump – Classification – Functions of Foot valve, Delivery valve and Non-return valve – Fundamental equation of centrifugal pump – Characteristics of a centrifugal pump –
Discharge, power and efficiency – Problems – Specifications of centrifugal pumps and their sections- Hand pump – Jet pumpDeep well pump – Plunger pumps – Piping system.
