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Stakeholder Register for Project Name Prepared by: Date: Name Position Internal/External Project Role Contact Information © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 1 of 7 Higher National Assessment Designed in accordance with HEA guidelines Programme Title Programme No Pearson BTEC Level 4 Higher National Certificate in Engineering (RQF) BBYH8 - BBYH9 - BBYJ1 - DBMT1 – DBMT4 DWTJ7 – DTJH8 – DTJH5 – DTJH6 -DTJH7 Unit Title Year of Course 2. Engineering Maths 1 Assignment Title Unit Code Assignment No Mathematical Methods and Statistical Techniques M/615/1476 1 of 3 Author Internal Verifier Assessor Michael Lopez Dr. Michael Shaw Engineering Team Week of Issue Due Week Verification Date 5 10 1st September 2022 Re se rv ed fo r S tu de nt Learner Name Date Submitted Learner feedback to Assessor - Please tell us your thoughts about this assignment here: I certify that the evidence submitted for this assignment is my own. I have clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Learner Email address Please note this section is ONLY applicable when you have had an assignment marked as “Failed” or “Referred” I certify that the evidence submitted for this assignment is my own. I have clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Learner Email address Date Resubmitted Re se rv ed fo r A ss es so r Assessor feedback to Learner - Formative / Summative Grade I certify that the evidence submitted for this assignment is the learner’s own. The learner has clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Assessor Signature Date Note: All the above information should feature on the cover page. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 2 of 7 Software Required – Graph or Graph – A waveform plotting application. Submission Format Please append your answers to the end of this brief. Include ALL pages of this brief in your submission. Do not submit separate documents. All text elements of your submission should be word processed, analytical elements can be hand written (neatly) and scanned into your document: - Structurally, you should submit a report with the following sections: - Cover page - This should feature your name and assignment title – perhaps a nice graphic, if you like (no Contents page - Lists each section in the document and the page number where that section begins (these Tasks – Tasks 1, 2, 3 ------- etc. This is the main body of your submission. Bibliography - Lists all the sources you used when researching your assignment but you have not referenced. References - List of all the sources that you have referred to in completing the tasks, you can use either the Harvard or Vancouver referencing system. Do not use Wikipedia as a source. Note Recommended word-count : Not applicable © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 3 of 7 Relevant Learning Outcomes and Assessment Criteria Pass Merit Distinction L01 Identify the relevance of mathematical methods to a variety of conceptualised engineering examples L01 P1 Apply dimensional analysis techniques to solve complex problems. M1 Use dimensional analysis to derive equations D1 Present data in a method that can be understood by a nontechnical audience P2 Generate answers from contextualised arithmetic and geometric progressions. P3 Determine solutions of equations using exponential, trigonometric and hyperbolic functions. L02 Investigate applications of statistical techniques to interpret, organise and present data P4 Summarise data by calculating mean and standard deviation M2 Interpret the results of a statistical hypothesis test conducted from a given scenario P5 Calculate probabilities within both binomially distributed and normally distributed random variables Unit Learning Outcomes LO1: Identify the relevance of mathematical methods to a variety of conceptualised engineering examples. LO2: Investigate applications of statistical techniques to interpret, organise and present data. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 4 of 7 Assignment Brief and Guidance Scenario: You work as a Test Engineer for a global manufacturer of electrical and mechanical components and systems. Your Line Manager is responsible for delegating to you and your colleagues the testing of theory, principles, and hypotheses from several worldwide company divisions. They have asked you to undertake a series of such evaluations. Activity: Part 1: a) The potential energy of a mass, m, held at a particular height, h, above the ground against the force of gravity, g, is converted into kinetic energy when it is released and it moves towards the ground at a velocity, v. Use dimensional analysis to confirm the relationship: PE = mgh = (1/2) mv^2 b) It is postulated that the force acting on a body moving in a circular path is proportional to its mass, m, velocity, v, and radius, r, as follows: F ∝ m v r Use dimensional analysis to confirm the relationship and develop a final formula for the force, F. c) An analogue-to-digital converter (ADC), manufactured by your signals division, records hundreds of voltage samples of a linear waveform, measured in mV, for quality assurance purposes. The samples commence as 5, 8, 11, 14, 17………etc. Your test colleague has asked you to assist by determining a formula that describes the sequence in terms of the nth term of that sequence, and then to use that formula to determine the value of the 372nd sample, which has failed to be recorded correctly. The final stage of the process requires the summation of all samples up to and including the 372nd sample. Determine a formula to produce the result of this summation. d) A digital chip, made by your Microelectronics division, counts continuously in the sequence: 32, 64, 128, 256, … You have been asked to determine a formula to calculate the nth count of the chip. Now apply your formula to work out the value of the 15th count. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 5 of 7 e) A series electrical circuit for a funfair arcade machine which you are testing, features a capacitor (C) charging via a 1 MΩ resistor (R) and a DC supply voltage (Vs). The voltage across the capacitor (Vc) may be described by the following equation, where t represents time. Vc = Vs(1 - e^(-t/RC)) The arcade machine produces an output based upon the year of your birth, which is input at the start of the game, by changing the value of the DC supply voltage (Vs). For example, if you were born in 1994 then Vs = 1 + 9 + 9 + 4 = 23 V. Assuming that Vc is 1V after a time of 3 seconds, determine the approximate value of the capacitor. f) One of your commonly used laboratory instantaneous test signal voltages (vs) is described by the equation… v = 5 sin 2πf t – 3 where f = 1MHz and t represents time. Make time (t) the subject of this formula, and hence determine the first point in time when the instantaneous signal voltage has a magnitude of +3V. Note: A colleague has reminded you that you need to have your calculator in radians mode (RAD) for this calculation, because the angle is given in radians (i.e., π is featured). Use this software or this software to draw at least two cycles of this signal and annotate the drawing so that your non-technical colleagues may understand the relevant information it contains. g) The curve assumed by heavy power cables manufactured by your Power division, and suspended between electricity pylons, is called a catenary, and is described by the equation… y = 50 cosh(x/50) Your Line Manager has asked you to calculate: (i) the value of y when x = 60 (ii) the value of x when y = 150 © 2022 UniCourse Ltd.

Stakeholder Register for Project Name Prepared by: Date: Name Position Internal/External Project Role Contact Information © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 1 of 7 Higher National Assessment Designed in accordance with HEA guidelines Programme Title Programme No Pearson BTEC Level 4 Higher National Certificate in Engineering (RQF) BBYH8 - BBYH9 - BBYJ1 - DBMT1 – DBMT4 DWTJ7 – DTJH8 – DTJH5 – DTJH6 -DTJH7 Unit Title Year of Course 2. Engineering Maths 1 Assignment Title Unit Code Assignment No Mathematical Methods and Statistical Techniques M/615/1476 1 of 3 Author Internal Verifier Assessor Michael Lopez Dr. Michael Shaw Engineering Team Week of Issue Due Week Verification Date 5 10 1st September 2022 Re se rv ed fo r S tu de nt Learner Name Date Submitted Learner feedback to Assessor - Please tell us your thoughts about this assignment here: I certify that the evidence submitted for this assignment is my own. I have clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Learner Email address Please note this section is ONLY applicable when you have had an assignment marked as “Failed” or “Referred” I certify that the evidence submitted for this assignment is my own. I have clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Learner Email address Date Resubmitted Re se rv ed fo r A ss es so r Assessor feedback to Learner - Formative / Summative Grade I certify that the evidence submitted for this assignment is the learner’s own. The learner has clearly referenced any sources used in the work. I understand that false declaration is a form of malpractice. Assessor Signature Date Note: All the above information should feature on the cover page. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 2 of 7 Software Required – Graph or Graph – A waveform plotting application. Submission Format Please append your answers to the end of this brief. Include ALL pages of this brief in your submission. Do not submit separate documents. All text elements of your submission should be word processed, analytical elements can be hand written (neatly) and scanned into your document: - Structurally, you should submit a report with the following sections: - Cover page - This should feature your name and assignment title – perhaps a nice graphic, if you like (no Contents page - Lists each section in the document and the page number where that section begins (these Tasks – Tasks 1, 2, 3 ------- etc. This is the main body of your submission. Bibliography - Lists all the sources you used when researching your assignment but you have not referenced. References - List of all the sources that you have referred to in completing the tasks, you can use either the Harvard or Vancouver referencing system. Do not use Wikipedia as a source. Note Recommended word-count : Not applicable © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 3 of 7 Relevant Learning Outcomes and Assessment Criteria Pass Merit Distinction L01 Identify the relevance of mathematical methods to a variety of conceptualised engineering examples L01 P1 Apply dimensional analysis techniques to solve complex problems. M1 Use dimensional analysis to derive equations D1 Present data in a method that can be understood by a nontechnical audience P2 Generate answers from contextualised arithmetic and geometric progressions. P3 Determine solutions of equations using exponential, trigonometric and hyperbolic functions. L02 Investigate applications of statistical techniques to interpret, organise and present data P4 Summarise data by calculating mean and standard deviation M2 Interpret the results of a statistical hypothesis test conducted from a given scenario P5 Calculate probabilities within both binomially distributed and normally distributed random variables Unit Learning Outcomes LO1: Identify the relevance of mathematical methods to a variety of conceptualised engineering examples. LO2: Investigate applications of statistical techniques to interpret, organise and present data. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 4 of 7 Assignment Brief and Guidance Scenario: You work as a Test Engineer for a global manufacturer of electrical and mechanical components and systems. Your Line Manager is responsible for delegating to you and your colleagues the testing of theory, principles, and hypotheses from several worldwide company divisions. They have asked you to undertake a series of such evaluations. Activity: Part 1: a) The potential energy of a mass, m, held at a particular height, h, above the ground against the force of gravity, g, is converted into kinetic energy when it is released and it moves towards the ground at a velocity, v. Use dimensional analysis to confirm the relationship: PE = mgh = (1/2) mv^2 b) It is postulated that the force acting on a body moving in a circular path is proportional to its mass, m, velocity, v, and radius, r, as follows: F ∝ m v r Use dimensional analysis to confirm the relationship and develop a final formula for the force, F. c) An analogue-to-digital converter (ADC), manufactured by your signals division, records hundreds of voltage samples of a linear waveform, measured in mV, for quality assurance purposes. The samples commence as 5, 8, 11, 14, 17………etc. Your test colleague has asked you to assist by determining a formula that describes the sequence in terms of the nth term of that sequence, and then to use that formula to determine the value of the 372nd sample, which has failed to be recorded correctly. The final stage of the process requires the summation of all samples up to and including the 372nd sample. Determine a formula to produce the result of this summation. d) A digital chip, made by your Microelectronics division, counts continuously in the sequence: 32, 64, 128, 256, … You have been asked to determine a formula to calculate the nth count of the chip. Now apply your formula to work out the value of the 15th count. © 2022 UniCourse Ltd. All Rights Reserved Issue /2023 Page 5 of 7 e) A series electrical circuit for a funfair arcade machine which you are testing, features a capacitor (C) charging via a 1 MΩ resistor (R) and a DC supply voltage (Vs). The voltage across the capacitor (Vc) may be described by the following equation, where t represents time. Vc = Vs(1 - e^(-t/RC)) The arcade machine produces an output based upon the year of your birth, which is input at the start of the game, by changing the value of the DC supply voltage (Vs). For example, if you were born in 1994 then Vs = 1 + 9 + 9 + 4 = 23 V. Assuming that Vc is 1V after a time of 3 seconds, determine the approximate value of the capacitor. f) One of your commonly used laboratory instantaneous test signal voltages (vs) is described by the equation… v = 5 sin 2πf t – 3 where f = 1MHz and t represents time. Make time (t) the subject of this formula, and hence determine the first point in time when the instantaneous signal voltage has a magnitude of +3V. Note: A colleague has reminded you that you need to have your calculator in radians mode (RAD) for this calculation, because the angle is given in radians (i.e., π is featured). Use this software or this software to draw at least two cycles of this signal and annotate the drawing so that your non-technical colleagues may understand the relevant information it contains. g) The curve assumed by heavy power cables manufactured by your Power division, and suspended between electricity pylons, is called a catenary, and is described by the equation… y = 50 cosh(x/50) Your Line Manager has asked you to calculate: (i) the value of y when x = 60 (ii) the value of x when y = 150 © 2022 UniCourse Ltd.

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