Result for "Mechanics":

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...Mechanics Introduction Earth is extremely rich in soil and minerals and the terrain we find is of different types and kinds. Soil is made up of three components: solid particles, air, and water. The particles are classified by size as clay, silt, sand, gravel, cobbles, or boulders. The amount of air and water within a sample of soil affects its behavior. The sizes and types of particles that constitute a particular soil affect its properties and thus its load-carrying ability and compressibility. However the soil we find is hardly perfect for any kind of construction before any steps are taken to harden the soil. This is usually because soil is by natural forces in tension...

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...MECHANICS A. Procedure for installing retaining wall Step one Asses and determine the height of the wall, H. Determine the properties of the entailed din the granular backfill substance for instance unit weight (1) and entailed angle of friction (ɸ1)
Step two
Next note and obtain the soil-tie friction angle (ɸU) and the also the related values of FS (B) and FS (P)
In case if internal stability
Step three
Assume the values for the horizontal and vertical tie spacing thus assume width of the reinforcing strip .w to be used in the process.
Step four
Derive the a from the equation
Step five: derive the tie forces at various levels while considering the equation
The tie force per unit...

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...Mechanics Soil Mechanics-Tri-axial Tests College: Table of Contents 3 0 Introduction 3 2.0 Methodology 4
3.0 Results 5
3.1 Cohesion and angle of friction 5
Drained effective stress 7
3.2 Calculation of the ultimate bearing capacity 8
4.0 Discussion 9
5.0 Conclusion 9
Bibliography 10
Abstract
An investigation into the proposed construction of a new building on the land that will produce a load of 1500kN/m2 .This land was recently purchased by Ralph and Ralph associates and the location had not been disclosed. The advise to the client was that the load was required to be equally distributed on three continuous foundations each having 2 m wide and depth of 1.5 m. Basing... share strength was...

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...Mechanics—Bernoulli’s Equation Using the conservation laws of streamline motion of fluid, we investigate the behavior of the fluid motion along a converging-diverging tube of known cross-sectional area, at different flow rates. The energy lost as a result of viscous resistance of the fluid the motion when the flow rate increases, may also be measured as Head Lost.
Introduction
When an incompressible fluid starts moving along streamlines, two basic laws get satisfied. One can use these two laws to check the behaviour of the dynamics of the fluid. Moreover, both these laws pertain to certain conservation of fluid properties—
(1) Continuity Equation: from the consideration... Laboratory Report: Fluid...

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...Mechanics— Verification of Bernoulli’s Equation The behavior of the laminar fluid motion along a converging-diverging tube of known cross-sectional area, at different flow rates, is investigated, and the mass as well as energy conservation laws are verified in this experiment. Another objective of performing it is to measure the loss of energy due to viscous resistance to the fluid the motion in case of higher flow rates. The results obtained from the experiment not only verify the basic laws and characteristics of a fluid in motion, but also determines the losses incurred in energy due to resistive forces. Introduction When a fluid undergoes motion, there are certain laws... Laboratory Report: Fluid...

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...mechanics, ‘drag’ pertains to the force exerted on a material by the fluid through which it is transported, either co-currently or counter-currently. It is often referred to as a sort of friction made by the resistance of fluid against an object moving in it. In design calculations... Task Learning Outcome 3 Determine head losses in pipeline flow Q1: Calculate the flow of water under gravity in litres/sec between the two reservoirs in Figure 1 below.
5.6m
Pipe ø 11cm
in steel (k=0.20mm)
15.78m
Figure 1
Solution:
Pipe length may be estimated from the figure as
L = 16.7442 m.
Because of pipe roughness, the system is likely to have turbulent flow, thus...

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...MECHANICS LABORATORY MOMENT OF INERTIAOF A FLYWHEEL
OBJECTIVE: TO STUDY THE MOMENT OF INERTIA OF A FLYWHEEL BY ACCELERATING IT USING A FALLING MASS
Theory
The flywheel is made of a heavy circular disc that is fitted to an axle that projects on either side. The axle is mounted on two fixed supports on ball bearings. The axle has a small peg that is attached to a cord. The other carries the weight (Amrita.vlab.co.in, 2014).
(Source: laboratory report writing guide, 2014)
Apparatus
1. Flywheel
2. Masses of different sizes.
3. Cord
m= falling mass, kg
h= time fallen by mass, m
t=time of fall of mass, s... the correct procedure.
Error due to failure to calibrate the zero of the measuring...

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...Mechanics A pipe whose diameter is 10.00 in. is equipped with a pipe orifice. The diameter of the orifice is 6.00 in. Also, piezometers that lead to a differential mercury gage are connected to the pipe 10.00 in. above the orifice and 5.6 in. below the orifice. If the drop in pressure head indicated by the gage at a certain instant is equivalent to 2.27 ft. of water, the rate of discharge for the pipe, in gallons per minute , is
a. 950 gpm c. 700 gpm
b. 820 gpm d. 638 gpm
Computations:
2.27 =
2.27 = 7.7036
v₂2 =
v₂ =
v₂ = 4.3527 fps
A = π
A = 3.1416 (0.4166)2
A = 0.5452
Q = Av
Q = 0.5452... June 11, 2009 Fluid...

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...mechanics and physics, refers to the force exerted by a stream of fluid on a solid object that is transported through it, whether with or against its direction of flow. More specifically, it may be thought of as a type of friction brought by fluid resistance as in water or air resistance whenever an obstacle gets on the path of fluid motion. Forces of drag have widely... Task Learning Outcome 3 Determine head losses in pipeline flow Q1: Calculate the flow of water under gravity in litres/sec between the two reservoirs in Figure 1 below.
5.6m
Pipe ø 11cm
in steel (k=0.20mm)
15.78m
Figure 1
Solution:
The length of the pipe may be approximated to be ≈
--- L = ...

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...Mechanics Introduction Fluid flowing in pipes is usually turbulent. The flow is considered turbulent if the Reynolds value is greater than 4000. During the turbulent flow, the velocity distribution is relatively the same (or uniform) and the velocity profile is flatter in comparison to the laminar flow. It is important to note that there are pressure fluctuations and irregular velocity in turbulent flow. In turbulent flow, fluctuations in velocity influence the mean motion such that it causes additional shear resistance to the flow. The turbulent shear stress is composed of shear stress and viscous shear stress generated because of turbulence (Sawhney 2011, p629). Fluid flowing... ?Head Loss Fluid...

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...Mechanics Design of an Open Channel with Assessment of Pollution Transport Introduction An open channel is defined as aconduit in which a liquid flow with a free surface. The flow normally occurs under pressure as contrasted with liquid in a pipe, the liquid conveyed by an open channel exerts no pressure other than that caused by its own weight, and pressure of the atmosphere. The general theory applies to all liquids but since there are a few test data available on open-channel flow of liquids other than water at natural temperatures, it only applies to water. Open channels may be either artificial or natural. Natural water channels vary in size from tiny side-hill... CIVL 3076 Environmental Fluid...

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...mechanics. Soil Mechanics This is one of the branches of engineering that mainly focuses on describing how soils behave. Soil mechanics cannot be compared to fluid mechanics because they have a lot of differences since soils have a composition of heterogeneous fluids. Soil is composed of particles such as silt, clay, gravel and sand and they can also contain other gases that exist in between these particles. The study of soil is very important because this is what makes the study... of geotechnical engineering possible. This is a subtopic in civil engineering and it is a very complex topic. Soil mechanics is applicable in many ways as far as building and construction is...

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...mechanics of atoms al Affiliation The Physics greatly inspired me to a greater extent. This is a point whereby various concepts and theories were learnt. These concepts were very interesting because of their flexibility and practical nature [1]. So as much as one can be in a position of learning and grasping a number of topics and conceptual frameworks, a few or even one of them will be in a position of bringing in greater captivation as compared to the rest. For my case, the topic termed as Quantum mechanics of Atoms captivated me to a greater extent. This was on the basis of its conceptual framework as well as the general practical application and methodology.
This paper hence sets basis... Quantum...

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...mechanics.
Soil Mechanics
This is one of the branches of engineering that mainly focuses on describing how soils behave. Soil mechanics cannot be compared to fluid mechanics because they have a lot of differences since soils have a composition of heterogeneous fluids. Soil is composed of particles such as silt, clay, gravel and sand and they can also contain other gases that exist in between these particles. The study of soil is very important because this is what makes the study... of geotechnical engineering possible. This is a subtopic in civil engineering and it is a very complex topic. Soil mechanics is applicable in many ways as far as building and construction is...

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...MECHANICS REFERRED WORK 2014
NAME:
DATE:
Question 1
Water at 50 degrees Celsius flows at a mass flow rate of 20 kg/s in a 200 mm diameter pipeline.
a) Find the density and dynamic viscosity of the water at this temperature
letbe the dynamic viscosity
(kg/ms)= {[2.414 x 10-5)] x[10(247k/(temp-140k))]}
={[2.414 x 10^-5)] x [10(247k/(50 + 273 -140))]}
=0.00002414 x 101.4
=0.000605914kg/ms
=6. 091 x 10^ -4 kg/ms
Density=988.1kg/m3
(Source Engineeringtoolbox.com, 2014)
b) Calculate the velocity of the water.
Q=AV
V=Q/A
Volume flow rate= {(mass low rate)/ density}
Q... OF SUNDERLAND DEPARTMENT OF COMPUTING, ENGINEERING AND TECHNOLGY EAT106 – THERMODYNAMICS AND FLUID...

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...Mechanics (a) Describe with the use of suitable diagrams the critical strength of soil. Critical is a condition that occurs in the soil where shear distortions develop without effective stress, void ratio and deviatoric stress changes (Schofield 1998). As such, soil and associated granular materials attain a critical state after they get a continuous distorted, which makes them assume frictional fluid flow (see figure 1). As such, the maximum shear stress, which the soil can bear, gives the shear strength of the soil. Excess shear stress results in the failure of the soil, which may occur mostly because of catastrophic loading on the material (see figure 2). The soil attains a critical state...

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...Mechanics Experimental Values and Calculations Density of water = 1000 kg/m3
Diameter of nozzle = 10mm
Cross sectional area of the nozzle = 78.5mm2
Mass of the jockey weight = 0.60 kg
Acceleration due to gravity = 9.81 m/s2
Distance from center of vane to pivot of level beam = 0.15 m
The jockey weight was 0.6 when it was moved (y) meters from its zero position. The corresponding force was found by taking moments about the pivot.
F x 0.15 = 0.6 x g x y
V = m/Ρ A
Vo2 = v2 – 2gs
Vo2 = v2 – (2 x 9.81 x 0.035)
Collected and Calculated Data
Vane
Volume of water collected (liters)
Time interval (s)
Jockey position y (mm)
Mass flow rate (kg/s)
Jet velocity at nozzle (m/s)
Velocity... Thermodynamics and Fluid...

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...Mechanics and Foundation. New Delhi, India: Laxmi Publications Private Limited.
2. S.K. Garg (2001). Soil Mechanics and Foundation Engineering. New Delhi, India: Khanna Publishers.
3. S.K. Khanna & C.E.G... Q: Describe briefly soil improvement techniques that are commonly used to enhance the shear strength parameters and to minimize the settlement of a soil. Discuss and evaluate one of these techniques. It is recommended to support your study with an example or case history.
Contents:
1.0 Introduction1
2.0 Soil Improvement Techniques2
3.0 Case History with the Discussion & Evaluation of Soil Strength Enhancement Technique.3
4.0 Conclusion.4
References:
1. B.C. Punmia, A.K. Jain (1994). Soil Mechani...

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...Mechanics 230 INTRODUCTION Drag could be identified as a resultant forces causing resistance to motion in bodies moving within fluids (Tipler 2004). Unlike other frictional forces experienced in moving objects, drag forces normally remain fully dependent on velocity of objects. These forces have been identified as reducing velocity of objects moving within fluids depending on the size of objects. Various types of drag exist when studying drag resulting from movement of physical bodies within fluids. The different types of drags are as discussed below. TYPES OF DRAG Form drag This could be described as the frictional force resulting from the shape of a moving object. This drag remains highly... ?Fluid...

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...Mechanics Lap Report Soil is one of engineering materials, which has increasingly become very important. For any civil engineering facility, it is important to determine soil conditions as this forms an important part of the first phase. There are two methods for determining soil properties: laboratory test method and field test method. There are several laboratory tests more often performed in order to determine different characteristics of soils. These characteristics are important when it comes to designing the foundation and earth structures. This paper focuses on different laboratory tests, which were performed to determine various important mechanical properties and index of soils... Soil...

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...Mechanics" The short story "Popular Mechanics" written by renowned American author Raymond Carver may be classified as one of the shortest stories in contemporary literature, yet its length belies the amount of meaning and insight that can be gleaned from one reading. Typical of Carver, the language and style used are spare and efficient, without explicit or outright expositions of the story's intent. Like his other works, "Popular Mechanics" appropriates everyday elements and scenarios, in this case a domestic argument between parents of a baby boy. But beneath the seemingly trivial and personal debate lies a more... Getting Their Fair Share: An Thematic Analysis of Raymond Carver's "Popular...

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...mechanics Unit Introduction ical mechanics has various interesting applications in real life situations. Taylor (20-22), asserts that it is used to explain a number of phenomenons that people encounter in day-to-day basis. For example, in sports, machines, designing mechanical systems, simple machines and parts of machines find lots of applications in classical mechanics. Additionally, in complex situations like launching satellites and rockets, application of classical mechanics plays a large role. Kibble also adds that laws have been directed on different and various methods and forms, like Lagrangian, Hamiltonian and Newtonian mechanics which are used according to the one... Recent application ical...

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...Mechanics of Profit Maximization First of school There are monopolistic and oligopolistic competitions. There aredifferences between these two competitions in the way they make decisions including pricing and item quantities. Keywords: monopolistic, oligopolistic, competition. The Mechanics of Profit Maximization Answer the following questions to the best of your ability 6) The demand function is Q =100 - . 5 P. The cost function is TC = C =100 + 60 (Q) + (Q) 2: A) Find the MR and MC. Marginal Revenue Q = 100 – 0.5P 0.5P = 100 – Q P = (100/0.5) – (Q/0.5) P = 200 – 0.5Q TR = P*Q = (200 - 0.5Q) Q TR = 200Q - 0.5Q^2 MR = dTR/dQ = 200 – Q Marginal Cost TC = 100 + 60 (Q) + (Q) 2 AC = TC/Q = 100/Q...

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...mechanics Unit Introduction ical mechanics has various interesting applications in real life situations. Taylor (20-22), asserts that it is used to explain a number of phenomenons that people encounter in day-to-day basis. For example, in sports, machines, designing mechanical systems, simple machines and parts of machines find lots of applications in classical mechanics. Additionally, in complex situations like launching satellites and rockets, application of classical mechanics plays a large role. Kibble also adds that laws have been directed on different and various methods and forms, like Lagrangian, Hamiltonian and Newtonian mechanics which are used according to the one... ?Recent application ical...

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...mechanics work: design study Professor
Institution
Course
Date
Rock Mechanics Coursework: Design Study
Insitu stress 1
Project Settings
Project Title: Stability Analysis of Wedges for Underground Excavations
Wedges Computed: Perimeter and End Wedges
Units: Metric, stress as tonnes/m2
General Input Data
Tunnel Axis Orientation:
Trend: 80°
Plunge: 0°
Design Factor of Safety: 1.500
Unit Weight of Rock: 26.000 t/m3
Unit Weight of Water: 0.981 t/m3
Seismic Forces
Direction: Sliding
...

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...mechanics of Juveniles Courts Similar to the adult court structures, juvenile justice systems serve to secure public safety. However, operative structures of juvenile courts tend to treat their clients in a different way from that of adults. The jurisdiction of the juvenile court system categorizes young offenders into three groups. These includes the delinquents—those answerable to certain criminal acts suable if committed by adults; Status offenders—those answerable to certain acts not suable if perpetrated by adults; and neglected children—those detained to be supported or supervised over certain courses of actions determine appropriate for their wellbeing (Austin, Johnson & Gregoriou... Operative...

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...Mechanics – Statics) 3.96. An antenna is guyed by three cables as shown. Knowing that the tension in cable AD is 270 lb, replace the force exerted at A by cable AD with an equivalent force-couple system at the center O of the base of the antenna.
(Note: Please refer to the FBD attached separately)
Solution:
TY = 270 sin 41.81° = 180 lb (downward)
TXZ = 270 cos 41.81° = 201.25 lb
TX = 201.25 sin 26.56° = 89.98 lb (towards –x)
TZ = 201.25 cos 26.56° = 180 lb (towards –z)
-- F = -(89.98 lb)i - (180 lb)j - (180 lb)k
MO = (128 ft)j x (-89.98 lb)i + (128 ft... Homework3 (Vector...

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...Mechanics Critical Soil Mechanics This is an effective and informative framework that is used to describe the mechanics of soil response. The concept of critical state shows that other granular materials and soils if distorted continuously until they can have frictional flow, will assume a critical state that is well defined. In this critical state, some shear distortions happen with no further changes implying effective stress, void ratio, and deviatoric stress. In a critical state, void ratio is referred to as the critical void state ratio.
In order to advance the techniques of soil testing, one study established the shear apparatus that the successive students used in studying... Critical Soil...

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...Mechanics of a Ski Jump In ski jumping, the ability of controlling posture and movement are the important demands that an athlete is required to meet. Like any other competitive sport, Olympic ski jumping is founded on the platform of moving faster, jumping higher and leaping further. Among others, biomechanics is an important factor in winning or losing an event in ski jumping. Low body weights, aerodynamic qualities of the equipments in use in addition to the natural abilities of the athlete are the critical aspects that influence performance in a particular ski jumping event. This paper is a qualitative analysis of the biomechanical forces of three important stages of Olympic ski... Topic The Bio...

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...Mechanics For Engineers - Statics 2 Two forces P and Q are applied as shown at point A of a hook support. Knowing that P = 75 N and Q = 125 N, determine graphically the magnitude and direction of their resultant using (a) parallelogram law, (b) the triangle rule.
Solution:
(a) The angle opposite R would be 180 – 20 – 35 = 125 and by Cosine Law,
R = [752 + 1252 – 2(75)(125)*cos(125)]1/2
R = 178.898 N and (sin θ)/75 = (sin 125)/178.898 -- θ = 20.085
and θ is the angle between Q and R (in the 4th quadrant) therefore,
it follows that the direction would be 90 – 35 + 20.085 = 75.085°
(b) By the triangle rule,
Σx: 125 sin 35 – 75 sin 20 = 46.045... Homework Vector...

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...Mechanics of Machines Overload Protection Systems and Their Applications Machines and electrical equipment while useful in the performance of work can pose a lot of danger to people and equipment in case they experience faults or are subjected to overloads. Overload protection systems play a great role in protecting people and equipment from harm that may result from such faults or overloads. Overload protection systems normally feature overload switches or relays that serve to cut off power supplies to certain elements of the system and, therefore, prevent the machine from working normally (Gurevich 2003, p. 57). There are different overload protection systems... ?Overload Protection Systems and...

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...Mechanics for Nurses. Submitted Mike Waggoner Fundamentals By: Sumon Joyner d: 5/15/11 The Importance of Proper Body Mechanics for Nurses Nurses are an integral part of the healthcare workforce and play a pivotal role in ensuring the optimal delivery of health care services to the patients. The importance of nurses as health care professionals can be best summed up in the words of William Osler who sates that “The trained nurse has become one of the great blessings of humanity, taking a place besides the physicians and the priest, and not inferior to either in her mission (Joseph, 2008, p. 1).” In fulfilling their role and performing the services expected of them... ?The Importance of Proper Body...

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...mechanics in both organizations that would answer whether there some degree of prestige. In other words some kind of scaling system for the questionairre. about 20 questions that would lead me to some conclusion as to whether there is some prestige. eg. Each question may have a scaling system from 1---5. etc.I triesd North--Hatt and did not get much. Plz help. DEGREE OF PRESTIGE IN THE MECHANIC ORGANISATION I am ……………………………………. and I am a …………………….. year student at the ……………………………………….., studying …………………………………... As a requirement of my degree I am writing a dissertation on employee retention. The purpose of this questionnaire... ?PRESTIGE - DRAFT I need a questionnaire that would be presented to...

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...mechanics: Online). In this experiment, we are going to measure the minor head losses through a section of pipe with a number of transitions, fittings and bends as shown in the figure below:
Figure 1: Diagram for the apparatus set up
Objectives
The main purpose of this experiment is to study the head losses through common fittings and valves that are commonly found in piping systems. These head losses are referred to as minor losses and can be evaluated in the form of loss coefficient KL and compared with the theoretical values given in the textbook.
Background and theory
In a pipe... Summary This lab experiment involves the analysis of the energy losses in pipes. The main focus of this experiment is ...

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...mechanics has solved many problems since the ancient civilization to the modern world. In fluid mechanics, Civil engineers try to solve problems in floods by constructing better bridges and roads; they solve drainage problems by designing proper sewage systems, and design underground aquifers that supply water.
Impact of Fluid Mechanics on civilization
a) Introduction
b) Body
1. Water
i. Construction of water reservoirs
ii. Electrical and automated digging machines
2. Construction
i. Design and construct
3. Environment
4. Industry
5. Transport and Navigation
6. Mining
7. Physiology and Medicine
c) Conclusion
d) Work Cited
Impact of Fluid Mechanics on civilization... Outline Thesis ment: Fluid...

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...Mechanics and the advancement of human civilization Introduction A substance that flows is called a fluid. Fluids are made up of molecules that move freely past one another and assume the shape of their container. All liquids such as water and all gases such as air are called fluids and Fluid Mechanics is the branch of science that studies the behavior of fluids under various conditions (Khemani). The science of Fluid Mechanics is broadly made up of three branches. The branch of Fluid Statics deals with fluid behavior at rest, Fluid Kinematics deals with fluids in motion and Fluid Dynamics with velocities, accelerations and forces exerted by or upon fluids in motion.
The science... Fluid...

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...Topic: Hydraulic structures Describe the design and operation of dams and reservoirs indicating the factors affecting choice of dam and reservoir site.
Introduction
Hydraulic structures are basically constructed to direct and manage water flow. The following deals with the design considerations of dams and reservoirs. Dams are constructed to obstruct and divert the natural flow of water. A reservoir is an artificial lake in existence because of dam construction. The construction and operation of these hydraulic structures involves numerous socio-economic factors.
Keywords: dam, reservoir, potential, seepage, water, irrigation, tremors, resource, trade off, equilibrium, foundation... Hydraulic...

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...Mechanics Worksheet Assignment Due: Week 7 instructions: Follow the step-by-step instructions for this exercise found in your text and record your answers in the spaces below. Submit this completed document by the assignment due date found in the Syllabus.
Please make sure that your answers are typed in RED.
Respiratory Volumes
Activity 2: Measuring Normal Respiratory Volumes
1. Minute respiratory volume: TV X BPM = 499 X 15 = 7485 ml
2. Judging from the trace you generated, inspiration took place over how many seconds? Two Seconds
3. Expiration took place over how many seconds? Two Seconds
4. Does the duration of inspiration or expiration vary during ERV or FVC... Exercise 7: Respiratory System...

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... The Lab Report on Beam Deflection Experiment By Lecturer’s and Table of Contents Contents Table of Contents 2
Abstract 3
Introduction 3
Experimental Setup and Procedure 3
Experimental Results and Analysis 5
Discussion 9
Conclusions and Recommendations 10
Reference List 12
Appendices: Graphical Presentations 13
Figure 1: Graphical presentation on Relationship between Log δ and Log W 13
Figure 2: Graphical presentation on Relationship between Log δ and Log L 14
Figure 3: Graphical presentation on relationship between log δ and log b 14
Figure 4: Graphical presentation on Relationship between Log δ and Log d 15
Abstract
This is a comprehensive report on the laboratory experiment that was aimed...

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...mechanics as it is widely used to measure discharge rates and velocity coefficients(CodeCogs, 2013). Orifice can have any shape. It can be round, square, oval etc. Also it can be smooth of rough as well. There are a number of applications for this device. Some of which are listed below(Nally, 2013): Used to increase the pressure of fluid line when needed. Used to restrict... ?INTRODUCTION Orifice is a term used for a small hole or opening in a vessel which enables the fluid to flow through it. Fluid keeps on flowing through the orifice as long as the head of fluid is above the level of orifice in the vessel. Orifice is not merely a hole but is considered as one of the fundamental equipment used in fluid...

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...mechanism is a feasible option. The next option... ?The design was produced using SolidWorks The larger cylinder was created as an extruded boss with the initially provided dimensions. After this the smaller cylinder was created using an extruded boss with the provided dimensions. The connecting section was created using an extruded boss as well with the dimensions provided. A fillet was added to the sections indicated using the fillet feature with a uniform radius of 3 mm. A drawing was then generated for the final geometry which is shown below along with the dimensions. After this the model was exported as a *.STEP file for analysis in ALGOR FEA. After the model was imported to ALGOR FEA the log was...

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...?Question No a) (i) Total mass=231 g Sieve size (mm) Mass retained (g) % retained in each sieve Percent finer 10 0 0 100 6.3 11 4.76 95.24 2.0 51.4 22.25 73 1.0 46.2 20 53 0.6 44 19.04 33.95 0.3 34.6 14.98 19 0.15 25.4 11 8 0.063 18.4 8 0 (ii) Here is the particle size distribution curve (iii) From the chart we have D10 = 0.2 D30 = 0.45 D60 = 1.20 So Coefficient of uniformity is = D60/D30 Cu = 1.20/0.2 = 6.0 And Coefficient of curvature of the soil is = D302/(D10 x D60) Cc = 0.452/(0.2 x 1.2) = 0.84375 (iv) From the particle size distribution chart we can see that the particles are distributed over a wide range. So, this is a well graded soil. (b) As Plasticity index Ip = liquid limit... No a) (i) Total ...

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...Given: bore - D 60 mm ; L = 240 mm ; μ = 2.20 mPa*s ρ = 870 kg/m3 (a) mean velo vm = = =0.3193 m/s
(b) Since 1 cp ≡ 1 mPa*s ≡ 0.001
--- μ = 2.20 mPa*s * = 0.0022 then,
NRe = = = 202.03
Therefore, based on this value, the flow is LAMINAR!
(c) From the Moody chart,
f = = --- f = 0.3168
(d) pressure drop (-ΔP) = =
--- (-ΔP) = 2,107.48 Pa
Using conversion: 1 Pa ≡ 0.0001019977334 m of head then,
--- (-ΔP) = 2,107.48 Pa * = 0.215 m.
Given: I.D. = 40 mm (or 0.040 m.) ; L = 3.80 m ; NRe = 300,000
effective internal surface roughness, ε = 0.01 mm... bore - D 60 mm ;...

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