Steel and Surface Preparation Essay Example for Free

Steel and Surface Preparation Essay What is meant by the tenn sliver? What is a hackle? Name two other tenns that could be used for anchor pattern? What are the main advantages of using Testex papers for measuring profiles? What is meant by the tenn grade. relating to a blast finish? What are the main factors governing the grade f a blast finish? Can the grade of a blast fmish be detennined by using the surface comparators to BS 7079 Pt C3? What profile range can be measured using X coarse Testex? What profile range can be measured using coarse grade Testex? What are the two theories of adhesion? Briefly describe the mechanisms of the two theories of adhesion. How many microns are in Ithou? Give three different names for the cross section of a blast. What is the approximate speed of abrasives leaving a venturi nozzle? What is the most common cause of flash rusting on a blasted substrate? What would be considered to be an ideal shot grit mix? What is the purpose of mixing shot and grit? Which abrasive would have the effect of work hardening a substrate? Name three methods of measuring or assessing a profile. What is the most common cause of rogue peaks on a substrate? In what situation would it be better to use steel grit in preference to copper slag abrasives? If cracks or laminations are found on a substrate after blasting what steps should be taken? Using comparators to ISO 8503, what are the three main profile assessments? What are the other two assessments when the above three are not appropriate? What would be size of copper slag needed to give a protile of 50 to 75 urn? 3. 2 copynght

Internet Censorship Means No Freedom of Speech -- Argumentative Persua

Picture it: you pick up your phone to read your email. You're expecting a message from a friend, who is sending you some information on breast cancer, but when you check your inbox there is instead a message from the server. It says the message that was sent to you from the address of your friend has been intercepted because it contained indecent material that did not comply with FCC regulations of the Internet. You call your friend only to find that the police have come and taken her away, and she is now facing up to two years in prison and/or up to $100,000 in fines. The message sent by your friend contained the word "breast," which by current FCC standards is indecent, and thus not permitted to be transferred on the Internet. Due to this, your friend is now subject to criminal charges.   Ã‚  Ã‚  Ã‚   Sound ridiculous? Unreasonable? Perhaps even a bit scary? It is all three of these things, but further, it is impending reality. This situation is very possible, in the very near future. On February 8, 1996, President Clinton signed the Exon Bill, part of the Communications Decency Act; a bill which makes the possibility of this situation a frightening reality. This bill will allow the government to censor the Internet, by any means it deems necessary. Under the CDA the "seven dirty words", as well as anything the government considers sexually explicit or "indecent", will be banned from the Internet. The CDA, however, will not be enforceable until all appeals made against it by organizations such as the Citizens Internet Empowerment Coalition (CIEC), and the Center for Democracy and Technology (CDT), are resolved.      Ã‚  Ã‚  Ã‚   The Internet is a worldwide medium for communication and the transfer of information. It is also, theoretica... ...Internet. They also succeeded in doing this without government interference, or threatening our rights as Americans. Further, it does this in a way which keeps parents involved in their child's activities, and preserves the parental right to decide what their child is exposed to. It also ensures that the growth of the Internet is not stunted in any way.   Ã‚  Ã‚  Ã‚   If people are educated on this issue, then they will be aware of what is occurring in this conflict, so they will be ready to stand up for their rights. Anyone who is informed on the subject will not want to risk losing their rights or freedom. Further, if there are solutions which will protect children on the Internet that at the same time protect our freedom of speech and the growth of the Internet and all its information, thus appeasing both sides, it is only logical and reasonable that we follow them.

Brief of Methodology Techniques

All research methodology is made up of a combination of qualitative and quantitative constructs. The idea of the qualitative quantitative research continuum, as opposed to a dichotomy, is explored on scientific grounds. What are known as qualitative methods are often beginning points, foundational strategies, which often are followed by quantitative methodologies. Qualitative Research.The qualitative, naturalistic approach is used while observing and interpreting reality with the aim of developing a theory that will explicate what was experienced. In their Handbook of Qualitative Research, Denzin and Lincoln (1994) acknowledge that â€Å"Qualitative research is multi-method in focus, involving an interpretive, naturalistic approach to its subject matter. This means that qualitative researchers study things in their natural settings, attempting to make sense of, or interpret, phenomena in terms of the meanings people bring to them.Qualitative research involves the studied use and col lection of a variety of empirical materials–case study, personal experience, introspective, life story, interview, observational, historical, interactions, and visual texts –the described routine and problematic moments and meanings in individuals' lives†. (p. 2) Qualitative data are defined by Patton ( 1990) as â€Å"detailed descriptions of situations, events, people, interactions, observed behaviors, direct quotations from people about their experiences, attitudes, beliefs, and thoughts and excerpts or entire passages from documents, correspondence, records, and case histories† (p.22 ). Techniques of qualitative research are Interviews, Observation, Case study, and Action research. Interviews Qualitative interviews have been responsive to the potentially invasive impact of researchers on the research process as the researcher is the primary research instrument. Observation Observation as a design feature is to attain depth of meaning from the data (i. e . , what seems salient in the setting). The researcher focuses in detail on the most pertinent factors in an ethnographic study. Case study The case-study method is one more design approach under the qualitative rubric.Case studies can be single-subject designs or based on a single program, unit, or school. Merriam (1988) describes that case-study research, begins with translating the research question into more specific and researchable problems, followed by techniques and examples of how to collect, organize, and report case-study data. Action Research Action research is used here to refer to ways of exploring professional experience which link practice and the analysis of practice into a single productive and constantly developing sequence, and which link researchers and research participants into a single community of involved colleagues.Winter (1996) explains that â€Å"action research is seen as a way of investigating professional experience which links practice and the analy sis of practice into a single, continuously developing sequence† (p. 13). Quantitative approach The quantitative approach is used while one begins with a theory (or hypothesis) and tests for confirmation or disconfirmation of that hypothesis. Quantitative research is often referred to as hypothesis-testing research (Kerlinger, 1964). Typical of this custom is the following common pattern of research operations in investigating, for instance, the effects of a treatment or an intervention.Techniques of quantitative research are Surveys, Interviews, Questionnaires, Sampling, and Triangulation. Surveys Data are collected, typically either by interview or by questionnaire, on a group of variables. The objective then is to observe patterns of relationship between the variables. Unlike experimental research, the researcher does not intercede in the organization and observe the effects of the intervention. Information is collected on a number of variables, and the amount to which they are causally linked has to be inferred.Interviews Quantitative researchers pretest their instruments to reassure the quality of their data. They ransack other researchers' scales and theories to inform their theoretical understanding of the fundamental factors that may be present. They do long interviews and focus groups to try to get into the points of view of those living through the situations they are analyzing. Questionnaires These are collections of questions that the respondent completes on his or her own. Sampling The sample of subjects is drawn to replicate the population.After the pretest measures are taken, the treatment conducted, and posttest measures taken, a statistical analysis divulges findings about the treatment's effects. To support repeatability of the findings, one experiment typically is conducted and statistical techniques are used to establish the probability of the same differences occurring over and over again. Triangulation Triangulation might be looked at as a dependability check–but not always. It is possible that one source of data could be much more significant than other sources in understanding a particular phenomenon.Generally, though, the more sources one looks at the more expected one is to have a complete perception of the phenomenon. Sampling Techniques: Random or Probability Non-random or Non-probability Random or Probability techniques are Simple random sampling, Systematic random sampling, and Stratified random sampling. Simple random sampling In simple random sampling, all subject within the sampling frame has an equal chance of being selected. This equal chance is consummate through a total randomness of selection.Systematic random sampling In systematic sampling, instead of drawing sample subjects randomly from the sampling frame, systematic sampling draws subjects at different intervals along the list of subjects in the sampling frame. Stratified random sampling An approach that increases the probability of obtaining a representative sample yet avoids missing an significant subgroup is to draw a stratified sample. With stratified sampling, the sampling frame is first separated into subgroups based on a variable that is considered important.Non-random or Non-probability is Cluster sampling, Quota sampling, Purposive sampling. Cluster sampling In cluster sampling, instead of individual subjects, logically occurring clusters, or groups, of subjects are used as the essential units of sampling. Purposive sampling With purposive sampling (also known as judgmental sampling), subjects are selected based on the researcher's knowledge of the population and on the nature of the research. The researcher uses subjects as the sample who are judged as â€Å"typical† or â€Å"representative† of the population of interest. Quota samplingThis type of non probability sampling is quota sampling. Quota sampling contains features of both stratified sampling and purposive sampling. In quota sa mpling, variables that are indomitable to be significant to the research question are identified. These variables are usually demographic variables such as gender, socioeconomic status, ethnicity, age, and urban versus rural residency. Conclusion The qualitative-quantitative research methodology is supported scientifically by its self-correcting feedback loops. In each and every research study, the continuum operates.When one conceptualizes research this way and uses the integral feedback mechanism, positive things happen that are less probable to occur in a strictly qualitative or a strictly quantitative study. Work Cited Merriam S. B. (1988). Case study research in education: A qualitative approach. San Francisco: Jossey-Bass. Stake R. E. (1981). â€Å"Case study methodology: An epistemological advocacy†. In W. W. Welch (Ed. ), Case study methodology in educational evaluation: Proceedings of the 1981 Minnesota Evaluation Conference (pp. 31-40).Minneapolis: Minnesota Researc h and Evaluation Center. Denzin N. K. , & Lincoln Y. S. (Eds. ). (1994). Handbook of qualitative research. Thousand Oaks, CA: Sage. Patton M. Q. (1990). Qualitative evaluation and research methods (2nd ed. ). Newbury Park, CA: Sage Publications. Kerlinger F. (1964). Foundations of behavioral research. New York: Holt, Rinehart & Winston. Winter, R. (1996). Some principles and procedures for the conduct of action research. In Zuber-Skerritt, O. (Ed. ) Action research for change and development. Aldershot: Gower-Avebury.

Transportation and Its Effect on the World - 1813 Words

Transportation and Its Effect on the World Transportation: a common word that people hear daily, but pay no mind to. Transportation is an industry that employs millions and stimulates economies everywhere. Without transportation the world as we know it would collapse. Cars, boats, trains, and planes, all built and operate in to serve the same purpose, to move items and people. Transportation falls into one of three basic types, depending on over what surface they travel by land, water, and air. Transportation is a non-separable part of any society. It shows a very close relation to the style of life, the range and location of activities and the goods and services in which will be available. Advances in transportation have made changes possible in the way of living and the way in which societies are organized, which therefore have a great influence in the development of countries All great things have a long grueling beginning, and the art of transporting is no different. Ancient transports may not be on the large scale of w hat happens today with advanced aircraft and 2,000 horsepower trucks, but the basic purpose of displacing items was obviously there. Thousands of years ago, no one heard of a Chevy Cavalier or Amtrak. The only means of getting from point A to point B were usually two feet on the ground. Around 40,000 years ago the first seaworthy canoes and ships were first being developed; this made way for international trade by sea and put many of theShow MoreRelatedEffects Of Fuel Prices On The World s Dumbest Transportation Policy2073 Words   |  9 Pagesvolatility of fuel prices began to significantly affect economic interactions within and between local, national and international economies. Whilst originally intended to benefit society, they have since been labelled by some as â€Å"the world s dumbest transportation policy† (Morris 2014 p. 1), due to their widely entrenched and long-lasting economic repercussions. 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