Mechanical Engineering question and answers for August 13, 2023
- Q The purpose of OSHA’s standard for the control of hazardousenergy is to protect people in the workplace (from this hazardousenergy) while they are performing service or maintenance on plantmachines and...
- Q Compute diffusion coefficients for the interdiffusion of carbonin both (a) α-iron (BCC) and (b) γ-iron (FCC) at 875˚C. Assume thatD0 for the interdiffusion of carbon in α-iron and in γ-iron...
- Q describe a synchro self shifting (SSS) clutch and howit operates
- Q The following are some maintenance strategies:1. Breakdown (DEFECT /REACTIVE) Maintenance;2. Preventive Maintenance;3. Predictive Maintenance ;4. Project Maintenance;5. Proactive MaintenanceProvide a brief description of each of thesestrategies, then give examples of...
- Q Maximizar P=2x+3y+5zSujeto a: x+2y+3z ≤ 12              x-3y+2z ≤ 10               x ≥ 0, y ≥ 0, z ≥ 0Maximize P=2x+3y+5zSubject to:x+2y+3z ≤ 12x-3y+2z ≤ 10               x ≥ 0, y ≥ 0, z ≥ 0
- Q What is the typical impact energy value of the material for 3different heat treatments (any). Put some microstructures anddiscuss the impact energy differences . For alluminium6061
- Q Discuss three (3) key elements of Design for Manufacture (DFM).Elaborate for eachof them.
- Q There are ten (10) basic principles of designing economicalproduction. One of themis utilising special process characteristics. Discuss about thischaracteristic andprovide one (1) example to support your explanation. Providesketching when it...
- Q Question 2 – ​​​​​​​​​​Concord Air Express decided to offer direct service fromCleveland to Myrtle Beach. Management must decide between afull-price service using the company’s new fleet of jet aircraftand a...
- Q 1.a/ A house is heated at 22oC and has an average outdoor airinfiltration rate of 0.15 ACH at standard operating conditions. Ifthe average temperature outside over three months (91 days)...
- Q A power plant operates on a regenerative vapor power cycle withone open feedwater heater. Steam enters the first turbine stage at12 MPa, 560°C and expands to 1 MPa, where some...
- Q Develop a simple MIS (Management Information System)that consists of a simple database (a text file). The systemmanages to dynamically input record/data into the database. Thedata from the database can be...
- Q A gourmet coffee shop in downtown Vancouver uses a PeriodicInventory System and is open 200 days a year. They sell on anaverage 75 pounds of KONA coffee beams a day....
- Q Reflect a triangle whose vertices are ?(2, 3), ?(6, 3) and ?(4,8) about the line ? = 3? + 4. Determine the final coordinates ofthe triangle. Sketch the initial and...
- Q When a centrifugal pump runs at 1500 rpm, it discharges 0.05 m3 / hof water. The entrance and exit radii of the rotor are given as0.05 m and 0.15 m...
- Q Q.15 (10 Pts) Explain the significance of using precise referencesand consequences of not using precise references on deisgn processof the manufacturing company.
- Q Write a detailed report to a technical manager on the followingitems. You work as field engineer at Menco Company and dealing withrepair of Getinge autoclaves. You recently attended to threeautoclaves...
- Q If Indiana County, Pennsylvania, coal with M = 3% and A = 8.5%is burned with 10% excess air, calculate the actual air fuel ratioand the ideal Orsat analysis (no CO...
- Q What are the various sensors used in hybrid vehicles andDetailed explanation of the same
- Q Q1- Why has the enormous potential of shale gas, as a viablefuel source, only recently (10-15 years ago) received seriousattention?
- Q Q1- Explain how industry uses natural gas (cite a specificindustry example)?Q2- Why is natural gas projected to become increasingly popularas a prime fuel source, compared with coal, for electricitygeneration?
- Q ASSIGNMENT WEEK 1 (Metal Casting)1. Name the two basic categories of casting processes.(CO1,C2)2. What properties determine the quality of a sand mold for sandcasting?3. What is the difference between vacuum...
- Q Hydrogen at 25oC and 0.1 Mpa is fed to the head of a cuttingtorch. Calculate the adiabatic flame temperature if the hydrogen isburned with 256% excess air at at 25oC...
- Q Consider the topic: Identifying the causes, challengesand solutions of fishing vessel engine failure in Ghana?In writing please take note of the following: Thetopic is not about fishing. Its about fishing...
- Q Problem 4. Explain to high school level students about streamlines,streaklines, and pathlines. Please explain by inserting a figure ifnecessary.
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