Research Methods > QUESTIONS & ANSWERS > NST2602 ASSIGNMENT 2 100% TRUSTED workings, explanations and solutions (All)

NST2602 ASSIGNMENT 2 100% TRUSTED workings, explanations and solutions

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Choose any THREE time periods. In each time period write a paragraph of ten lines based on your understanding of the differences of the time periods. Locate the time period in your own context. (15)... QUESTION 2 Read the Scenario below and answer the questions by completing the table that follow: A local municipality placed an advert in the local newspaper for a competition of local high schools to participate. The competition need some best investigation ideas to contribute towards the building of a community hall. QUESTION 3 3.1 Explain the uses of the following gear drives: 3.1.1 bevel gears 3.1.2 internal gears 3.2. In your own view, evaluate how roller chain drives can be used as conveyor belts. (4) 3.3. Give own analyses (with practical examples) on the circumstances or conditions in which hydraulic accumulators and bottle jacks are used. (4) 3.4. Explain the nature of hydraulic accumulators and bottle jacks’ application and biases. (4 QUESTION 4 4.1. An electric circuit consists of the following components: 4.1.1 draw the circuit diagram. (5) 4.1.2 calculate the voltage across R₃ if the applied voltage is 12V. (8) 4.1.3 calculate the current passing R1 and R3. (6) QUESTION 5 Consider Activities 5.1 and 8.1 in your study guide. Answer the questions in each case. ACTIVITY 5.1 (1) Identify and draw any rectangular object in third orthographic angle projection.(2) Explain in detail the steps followed in question 1. (3) Draw a bridge from a two-point perspective sharing. (4) Explain the steps that need to be followed when constructing a two-point perspective.ACTIVITY 8.1 (1) Investigate and explain the procedure by which mechanical engineers or motor mechanics fasten engine bolts using a ratchet. (3) What is the difference between a vice grip and a wrench in terms of their structure and functions?(4) Why do some technicians use Allen keys instead of self-tapping screws to fasten joints? (5) Explain the method by which a micrometer is used to determine the depth or the size of an object.(6) Describe why engineers or technicians may prefer a Vernier calliper to other measuring instruments [Show More]

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