Engineering Cost Analysis

Questions & Answers

From the following figure find the rake angle and friction angle. By using the Merchant formula find the shear angle.

The following information is known for a component that can be produced with equal facility upon either of the two machines listed. Assume a linear depreciation over 10 years (40 hours per week and 50 weeks per year). The life of the tools of the two machines is assumed to be over 500 hours. a. If 600 components are required, what would be the cost per unit using each machine? Which machine should be used? (32 marks) b. What is the breakeven point of using these two machines to manufacture the components? (28 marks) c. What would be the cost of 1200 units when it needs to be produced urgently? (40marks) d. What would be the cost of 1600 units for individual machines when the life of the tool is 1300 units? (50 marks)

Complete the following forecast table with the correct values: (please use 2 digits)Alpha= 0.80Beta= 0.80

Determine the shape factor of the following objects.

Instructions: Please fill the following Aggregate Planning table by using the Chase Demand strategy,when the following information is available. Beginning Inventory = 98 Beginning Workers = 11 Each worker can produce 5 pieces per month Cost of producing 1 unit by means of Regular Production = 37 ($/unit) Cost of holding 1 unit in inventory during 1 cycle = 6 ($/(unit*period)) Cost of hiring 1 worker = 434 ($/worker) Cost of firing 1 worker = 4489 ($/worker) (Write the numbers only, without any commas or any other symbol) What is the total cost of the system ($)? = ______ (Write the number only, without any commas or any other symbol, for example 3992903)

If you wish to deliver on time all units to the customer (who is expecting 1000 units for the nextcycle), but you have capacity of producing only 800 including overtime, and have 100 units ininventory from a previous cycle you can:

Consider the following charges for demand and energy: (Do NOT refer to the City of Sallisaw billing at the bottom of this document.) On-Peak charge: 16.2 cents /kWh Off-Peak charge: 3.7 cents /kWh Demand charge: $6.35/kW On-Peak period is from June 1st through October 30th, and between 9 am and 4 pm. The energy consumption for on-peak and off-peak months is as shown in the table below. Assuming no ratchet clause, compute the missing fields in the table below. If the power factor for the month is less than 0.90 at the point of delivery, billing demand will be increased by multiplying by 0.90 and dividing by the power factor (xx% expressed as .xx). Compute the missing fields in the table below.

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