Mechanical Engineering question and answers for July 01, 2023
- Q A sheet metal with a thickness of 3 mm has a limiting drawingratio of 2.4. Calculate the largest circular blank that could beused successfully in deep drawing a cylindrical cup...
- Q 6. Describe the differences between Grashof and Rayleighnumbers7. For free-convection problems, describe how the momentum andenergy equations are coupled.8. Describe the driving forces for free and forced-convectionproblems.9. For the momentum...
- Q Briefly discuss the operational and strategic considerations Inthe Implementation of a CIM system (10)
- Q 1. Why is the required specific energy in grindingmuch higher than machining process? Explain at least three majorreasons and the related assumptions.2. It is generally recommended that a soft grade...
- Q A disk is cast in an open mould with diameter 25 cm and height15 mm. The pouring temperature is 1200°C. Calculate the total heatevolved during cooling if the disk was...
- Q What are the \"FACTORS\" that affect/control the maximum drawingratio per pass in the drawing process? Can you please focus on onlythe \"FACTORS\" in your answer and explain how they affect...
- Q This is my third attempt. The first two attempts were completelywrong, because the people who answered never used the Navier StokesEquaqtions. I need to know what parts of the equations...
- Q 1. In Creo Parametric, which command can we use to adjust thetapered angle of a surface?2. Will dimensions be updated when the geometry is modified?5. What is the main difference...
- Q Raising the minimum wage to $15/hr , can affect so manyindustries, how will this affect the design opportunites formechanical, electrical,computer engineers.Focus on a particular industry that you think will be...
- Q Please assist with this question (15)Compare the different types of methods which are used for tuningvalves, such as outlining the advantages and disadvantages of each.Compare at least four different methods
- Q Q. When doing a let-by test, what are you lookingfor?(Gas utilisation, Level 3- Diploma in Plumbing and Heating)
- Q A heat pump-bases HVAC system can remove heat from a buildingby(a) compressing the refrigerant to make it hotter than theoutside air(b) compressing the refrigerant to make it cooler than theoutside...
- Q A thin, flat plate that is 0.2 m × 0.2 m on a side is orientedparallel to an atmospheric airstream having a velocity of 40 m/s.The air is at a...
- Q If you were asked to determine a boundary layer height for agiven flow at a certain location, which method would you select(approaches may be order-of-magnitude, differential, integral,etc). Describe the reasons...
- Q Assuming that the variables a, b, c, d, and f are scalars, write MATLAB statements to compute and display the following expressions. Test your statements for the values a =...
- Q The volume of a sphere is given by V = 4Ï€r3/3, where r is the radius. Use MATLAB to compute the radius of a sphere having a volume 40 percent...
- Q Estimate the force acting on a passenger’s window in a commercial jet aircraft due to air pressure differential. Â
- Q what is the definition of factor safety, and what does it mean tohave a higher f.s. and a f.s less than 1
- Q What does it mean if something is channel-mounted?
- Q What does impact strength mean?
- Q A train is moving in the forward direction at 0.65c. The tracksare 1.5m apart and the light is at the center point between thetracks. An observer is 3m from the...
- Q How does one determine “slack time/float time†from a PERTanalysis? What does it mean when a task activity has no “slacktime/ float timeâ€
- Q What is the condition for self-locking block brake?
- Q Air enters a food dehydration system at condition 1 and exits atcondition 2. What is the change in enthalpy (kJ/kg dry air) of theair as it passes through the system:...
- Q What are mechanical property parameters and what are physicalproperty parameters? What are their differences?
- Q Which statement correctly describes mirror symmetry boundaryconditions in thermal analysis?A. Symmetry boundary conditions require definition of convectioncoefficient on the faces in the plane of symmetryB. Symmetry boundary conditions can’t be...
- Q Use the graph below to sketch curves that demonstrateanticipated stress-strain behavior for two materials. One curveshould represent a typical metal, the other a typical ceramic.Label the curves and use them...
- Q The figure 3 represents the construction hoist used to handlematerial handling in construction sites Figure 3: ConstructionHoista) Explain the working principle of construction hoist and itsapplication.b) Identify the mechanism used...
- Q 1. Point defects- such as vacancies and interstitials– are examples of crystalline defects. Why arethey called “crystalline� Are there no vacancies and interstitialsin non- crystalline solids? Justifyyour answer. 2. How do...
- Q 1.Why plastic beams are not used to construct buildings andbridges?List THREE properties that makeplastics unsuitable for this application?2.How a temperature drop of 50 C below 0 C would affectpolythene bottle?...
- Q Aluminium alloys are commonly used in aviation industry. Discussthe applicability of aluminium alloys to be used in wings of atypical passenger airplane considering the aspects given below:(a) Performance (altering loads,...
- Q Give an example for each physical, mechanical, electrical and thermal properties of material, identify practical application if it wereto be used in an engineering context.
- Q 1. Explain how an understanding of the 4 classes of materialsand their general properties aid in the initial selection orelimination of materials suitable for a specific application. I.E.First outline some...
- Q subject name Materials and processes inmanufacturing1) The properties of a material are related to the__________ of the material2) How do we describe the structure of a material?3) Are the properties...
- Q One aspect of material science and engineering is theinvestigation of relationships that exist between the structuresand properties of materials. By structure, we mean how someinternal component(s) of the material is...
- Q What is the Atomic/chemical bonding of the followingmaterials:1- Uranium (alpha phase)2- Bombyx Mori Silk3- Calicium Aluminate Cement - 1 (CAC-1)And how this affects their properties ?
- Q a) Explain any 5 “Types of properties†with all the “Qualitiesâ€associated with each property.b) Explain the following mechanical properties:(i) Ductility (ii) Malleability (iii) Tensile strength (iv)Stiffness (v) Toughn
- Q 1. How to improve the mechanical properties (Hardness) and thephysical properties (Conductivity)? How to prevent oxidation in amaterial`s chemical properties?2. What is the difference in Cold work and hot work?...
- Q Describe:The characteristics of boundary layers in turbulent flows anddescribe which type of averaging process would most represent thisflow simulation (mass versus time average, and corresponding modelexamples such as Crank-Nicolson, D)uFort-Frankel...)The...
- Q Provide a brief descriptions for “strength†and “toughnessâ€properties of metals. What kind of testing methods used to measurethem? For what applications this property will be crucial?
- Q This is system engineering process. pls explain each step inthis process.Problem definition(Analysis), Conceptual Design(Synthesis,Preliminary design(Evaluation), Design decision(Decision), Detaileddesign(Action), Production, integration & test(verify)
- Q what are some good project ideas for Static Engineering ?
- Q Any Mechanical Engineering Final Year research project topicsuggestions?
- Q A Company has set up a weighted scoring matrix forevaluation of a three potential projects. Below are the weightedproject scores of the three projects :Project A : The weighted projectscores...
- Q Write one or two paragraphs to respond the followingDescribe what existing knowledge or skills you bring to a teamengineering project.?
- Q The following topic are about material and processing selectionto manufacture engineering components.Topic: Select the materials and manufacturing route forfabricating blades for turbine used in fighter aircrafts.1- Establish the function of...
- Q What are the main engineering constraints to consider forAluminum machining (milling and drilling) ?
- Q Apply the principles of System Engineering to a real-worldsituation. Select an engineering opportunity. Frame the engineeringopportunity in a system-engineering context. Define the systemengineering process. Define the system engineering methodology. Usethe...
- Q What is meant by condition monitoring of a pump
- Q Which of the following items best describes the role of CADin an organization?A) It generates artifacts that are of little or no significantvalueB) Speed is a more important factor than...
- Q Give three examples of engineered products that must be circular in shape and explain why. Any ball is not allowed as an answer! Â
- Q A ___ is a reproduction of a technical drawing and itsassociated technical information.A __ Plan is a plan that depicts an entire property includingbuildings and other structures drawn in their...
- Q Identify and describe a commercial vision system capable ofreading a Unique Device Identifier (UDI) code printed on the end ofcans containing food products such as green beans. The cans traveldown...
- Q Part II. MatchingMatch each of the following terms with their most appropriatedescription.A. Target riskB. Countervailing riskC. Synergistic effect1.The risk scenario which prompts the whole decision process,often reflected by the main...
- Q the device is hydraulic cranes  1- A creative and descriptive name for your device2- A description of how your device will meet the main threefunctions which are aquire part, transulate part,...
- Q What two condition have to exist for Creep to occur?
- Q name and describe structure what occur afterhardening
- Q Name and briefly describe the four types of chips that occur inmetal cutting.
- Q Biomaterials:Fracture and fatigue are two types of mechanical failure thatcan occur in a material. What are the two (2) key differencesbetween fracture and fatigue in terms of what leads to...
- Q What did SMED try to accomplish? When is SMED needed? What typesof processes occur when you should apply SMED, and why? What wasthe foundation for SMED? SMED talks about two...
- Q Hospital personnel routinely examine patient records for error,such as incomplete insurance information, on incomplete patienthistory, or missing/incomplete medical records. On average, about270 new patients are admitted each day. Historically, about...
- Q A car accident expert is assigned to a case where the insurancecompany suspects the car company to use lower quality steel (lowerTS) than the standards in their bumpers. The expert...
- Q Why have gas turbine engines almost completely replaced pistonengines on new corporate-sized twin-engine aircraft?
- Q Choose one of the following topics and write a report with aminimum of 8 pages and 4 references.Topics:1.History of the Gas Turbine engine development from 1900 untilthe present.2.The history of...
- Q A container is occupied by a ten kg waterr and four kg vapor at 0.88 Mpa.
- Q A parabolic trough concentrator with width of 3 m and length of25 m has an absorbed solar radiation per unit area of aperture (S)of 600 W/m2. The receiver is a...
- Q 2-4. Determine the magnitude of the resultant force acting on the bracket and its direction measured counterclockwise from the positive u axis.
- Q Determine the design angle \( \theta (0°\leq\theta \leq90°) \) for strut AB so that the 400-lb horizontal force has a component of 500 lb directed from A towards C. What...
- Q Use MuPAD to compute the following limits.
- Q The income statement and a schedule reconciling cash flows from operating activities to net income are provided below for Macrosoft Corporation. Required: Prepare the cash flows from operating activities section of the...
- Q Western Manufacturing is involved with several potential contingent liabilities. Your assignment is to draft the appropriate accounting treatment for each situation described below. Western’s fiscal year-end is December 31, 2021,...
- Q Shown below in T-account format are the changes affecting the retained earnings of Brenner-Jude Corporation during 2021. At January 1, 2021, the corporation had outstanding 105 million common shares, $1 par per share. Required: 1. From...
- Q The surface area of a sphere of radius r is S = 4Ï€r2. Its volume isV = 4Ï€r3/3.a. Use MuPAD to find the expression for dS/dV.b. A spherical balloon expands...
- Q A very helpful site to learn about individual publicly traded companies is finance.yahoo.com. Go to this website and look up a well-known publicly traded company. Once you find the company...
- Q The ink-jet printing division of Environmental Printing has grown tremendously in recent years. Assume the following transactions related to the ink-jet division occur during the year ended December 31, 2021. Required:Record...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!