Question

In: Mechanical Engineering

Question 3 a)In an Electrochemical Machining process, the feedstock is made of an aluminium alloy (Ultimate...

Question 3 a)In an Electrochemical Machining process, the feedstock is made of an aluminium alloy (Ultimate Tensile Strength=572 MPa, Tensile Yield Strength=503 MPa). The desired time to machine a hole (?=10 mm) through a 20 mm-thick part is 2.1 min at a feed rate of 0.18 mm/s. What are: (i)the efficiency of the process in %, and (ii)the current requirement in amps to achieve this machining time target? [30 marks] Describe in detail the process of circular sawing with the aid of a freehand sketch. What are the two major mechanisms by which circular sawing is achieved and what materials are commonly used as circular saws of each type?

Solutions

Expert Solution

samet mamat answered 1 year ago
Next > < Previous

Related Solutions

Question 3 a) In an Electrochemical Machining process, the feedstock is made of an aluminium alloy...
Question 3 a) In an Electrochemical Machining process, the feedstock is made of an aluminium alloy (Ultimate Tensile Strength = 572 MPa, Tensile Yield Strength = 503 MPa). The desired time to machine a hole (?=10 mm) through a 20 mm-thick part is 2.1 min at a feed rate of 0.18 mm/s. What are: (i) the efficiency of the process in %, and (ii) the current requirement in amps to achieve this machining time target? b) Describe in detail the...
Question 3 a) In an Electrochemical Machining process, the feedstock is made of an aluminium alloy...
Question 3 a) In an Electrochemical Machining process, the feedstock is made of an aluminium alloy (Ultimate Tensile Strength = 572 MPa, Tensile Yield Strength = 503 MPa). The desired time to machine a hole (?=10 mm) through a 20 mm-thick part is 2.1 min at a feed rate of 0.18 mm/s. What are: (i) the efficiency of the process in %, and (ii) the current requirement in amps to achieve this machining time target? b) Describe in detail the...
An alloy contains 97% by mass aluminium and 3% by mass copper. 8. Using 100 kg...
An alloy contains 97% by mass aluminium and 3% by mass copper. 8. Using 100 kg of material as the starting point, what proportion of the atoms are copper?
Consider an orthogonal machining process carried out on a steel alloy of 600 MPa shear strength,...
Consider an orthogonal machining process carried out on a steel alloy of 600 MPa shear strength, the width of the cut is 10mm. The depth of cut is 0.5 mm and the chip thickness 0.7mm. The cutting speed is 2400 m/sec, the coefficient of friction is 0.364 and the rake angle of the tool is 10 oC. Estimate : a) Material removal rate b) specific power in shear c) specific power in friction
QUESTION 3 A. Undeniably, profitability is the ultimate goal of companies and readers of a company’s...
QUESTION 3 A. Undeniably, profitability is the ultimate goal of companies and readers of a company’s financial statements are very much interested in the reported profit figure. The profit figure is achieved by the preparation of the statement of profit or loss and the statement of financial position. If the foregoing is the case, why then bother about the statement of cash flows?
QUESTION 3 (14 marks) (Total 20 marks) A. Undeniably, profitability is the ultimate goal of companies...
QUESTION 3 (Total 20 marks) A. Undeniably, profitability is the ultimate goal of companies and readers of a company’s financial statements are very much interested in the reported profit figure. The profit figure is achieved by the preparation of the statement of profit or loss and the statement of financial position. If the foregoing is the 3 case, why then bother about the statement of cash flows? B. Globally, accounting standards are developed based on different methods. It is generally...
1) Give 3 methods to determine machining time. 2) What is the difference between process optimisation...
1) Give 3 methods to determine machining time. 2) What is the difference between process optimisation and economic. 3) From your understanding, would the costing calculation make difference from one machining process to another.Why?
Question 2: A senior manager was frustrated with the budgeting process and made the following comment:...
Question 2: A senior manager was frustrated with the budgeting process and made the following comment: “The whole budgeting process is a waste of time. I would rather my managers and finance staff focus on improving the business than spend time putting together detailed budgeting schedules”. Discuss the statement above, developing an argument for and against spending time putting together detailed budgeting schedules rather than improving the business. Which of these two arguments is most compelling to you? Provide a...
Question 3: (A) Management is a dynamic process, with a number of elements and activities as...
Question 3: (A) Management is a dynamic process, with a number of elements and activities as part of the process. The dynamic and social element of management means the functions of management. The success of any activity irrespective of size depends on the functions of management. Assume that you are planning to celebrate your birthday on June 1st-2020. How do you apply functions of management in your birthday? Explain in your own words. (7 Marks, Word Limit 300-450) B) Miss...
Question 3 3.1 Interviewing is part of a process and successful interviews are a result of...
Question 3 3.1 Interviewing is part of a process and successful interviews are a result of a certain procedure. Discuss this procedure. (14) 3.1.1 Define a favourable finding. (3) 3.1.2 Define an unfavourable finding (3) [20] Question 4 4.1 The report should give an overall opinion and report findings in detail Discuss the conclusions to which the auditor can come regarding the performance of the unit manager. (8) 4.2 Discuss internal auditor's objectives with recording information (12) [20]
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT