Mechanical Engineering question and answers for July 12, 2023
- Q Schematically show (1) forces (including all components andresultant force) at the tool-chip surface, (2) forces (includingall components and resultant force) at the material shear plane,and (3) depth of cut and...
- Q 7.1. Explain briefly what you understand by each of thefollowing terms, as used in the context of Life Cycle Assessment.Provide an example in each case.   Problem ShiftingFunctional UnitCharacterisation            please type it in...
- Q A fluid flow field is given by v = x^2yi + y^2zj-(2xyz + z^2)k.Prove that it is a case of possible steady in compressible flow.Calculate the velocity and acceleration at...
- Q (i) Write down the wave equation and find the general solutionfor longitudinal vibration of a beam using the method of separationof variable separation.(ii) Find three lowest natural frequencies of longitudinalvibration...
- Q Suggest a reasonable choice of functional unit for use in a lifecycle assessment (LCA) of each of the following products. In eachcase write a sentence or two justifying yourchoice.                                                                [8 marks]-Paint...
- Q In an orthogonal machining test, we have the following data:Chip width = 2.5mmChip thickness after cut = 1 mmCutting ratio = 0.25Chip – tool contact length on the tool rake...
- Q A steel string of length 2.0 meters and mass 15g/m is stretchedwith a tension of 120 N and is fixed at both ends.(i)Â Â Write down the wave equation and find...
- Q Using CNCSimulator Pro, engrave (KAU) on a workpiece
- Q How to choose suitable hydraulic components for a parallelhydraulic hybrid vehicle? Explain briefly for each components(pump, motor, accumulator and etc)
- Q Using excel UserFormconstruct a Flowchart that solves a quadraticequation ax^2+bx+c=0 for changingvalues of a, band c. Please also display thecode you have used.Please use excel UserFormThanks
- Q List the conditions to be met for a thermodynamic process to beaccurately described as a steady state, steady flow process. Writedown a mathematical expression for the First Law of Thermodynamicsas...
- Q According to metal additive manufacturing, what are thevariables impact the two quality issues below, explain in detailshow and why pressure, force, temperature and time affect them. a.surface finish. b. dimensional...
- Q In no more than 300 words, describe the differences between atypical elastomeric engine mount and a typical hydramount. Youshould use diagrams, theory and mathematical models whereappropriate to highlight the key...
- Q A model of an air ship is to be studied. The prototype isenvisaged to be 8 m long with a diameter of 750 mm and the model isto be 300...
- Q (Using Matlab)We are given data about a charity organization intable 1 Days 10 20 30 40 50 60 70 80 90 100 Donation 23 45 60 82111 140 167 198...
- Q According to the metal additive manufacturing process identifyand explain the reason behind the key processing limits below.a.limits of the equipment used. b.limits of the material beingprocessed.
- Q A vehicle which is equipped with a 6 cylinder, 2000 cc sparkignition engine is cruising at an average speed of 150 km/h fromAnkara to Istanbul on the highway. The mass...
- Q A certain crude oil shows the following ultimateanalysis: C=87.1% and H2=12.9%. The volumetric analysis of the dryflue gas resulting from the combustion of this oil shows CO2=12%,O2=4.6%, CO=0%, and N2=83.4%a....
- Q 1- Abrasive wear is most common in situations in which:a. Hard particles are caught between two contact surfacesb. the hardness of one material is much higher than the otherc. Neither...
- Q Wehave created angles features on parts (ie chamfers, tapers) twodifferent ways. Describe the difference between the twomethods
- Q Give AT LEAST 5 METHODS of priming pumps.. Showtheir illustrations and describe how each methods are used inpriming pumps.
- Q what is the heat treatment procces for the aircraft turbineblade ?with steps
- Q Specify 6 best practices for controller loop tuning.Outline the details for each of these practices. Provide detailsfor each.
- Q Over the last 50 years, the United States labor economy haschanged from a manufacturing to service and technology focus. Otherthan the obvious changes, such as fewer mine tragedies and morecarpal...
- Q Title: TitaniumAlloy DatabaseTable: Table 5b. Creep andStress Rupture Properties of Titanium Alloys - Stress for CreepExtension & Rupture (Metric Units)alloy typecommon alloy namealloy aliasASTM gradeUNS no.conditionproduct formproduct thickness (mm)test temperature...
- Q Question 1a) A cylindrical feedstock of length = 35.4 cm and diameter = 10cm is subjected to turning using a high speed steel tool. For thistool, n and C values...
- Q I have a 50cc of hydraulic motor, accumulator pressure at 40MPaat max, with 10MPa at precharge. How can i determine what pumpsizing will i use for hydraulic hybrid purpose.
- Q How does solid solution hardening relate to a phase diagram?
- Q During the experiment of shell and tube heat exchanger by usingthis equipment the Source of the water was from the water tap thatis mean it is open feed waterTo explain...
- Q Describe grain size refinement, solid solution strengthening,precipiation hardening, and work hardening. Why and when do you useeach of these strengthening processes?
- Q Convection heat transfer takes place owing to changes of densitywithin the Fluid.Discusss convective heat transfer in some detail. Your answershould include relavant sketches, equations and practicalapplications
- Q 1. What are the age hardening alloy systems in Al-based alloysbased on classification of major alloyingsystems for Al-basedalloys?2.In alloy system of Al - 4.4%Cu - 0.8%Si - 0.8%Mn - 0.5%Mgwhich...
- Q Why do we need methods in addition to tensile testing?
- Q Forced convectionA thin plate is suspended in air at 1 atm. with T? = 15°C. Airflows on both sides of the plate where the bottom side absorbs auniform radiative heat...
- Q 1. Describe how bauxite is converted to aluminium oxide (Al2O3)via the Bayer process?2. Describe the Kroll process used to produce metallic titanium.Give the key chemical equation.3. Give 2 short application...
- Q 6. A motor car, of a total mass 1400 kg, running intop gear at 55 km/h, passes on to a rsing gradient of 1 in 20 atthat speed. The road...
- Q 4. A wagon of mass 14 tonnes is hauled up an inclineof 1 in 20 by a rope which is parallel to the incline and is beingwound round a drum...
- Q A piston with a volume of 0.5 m ^ 3 contains 0.9 kg ofwater at a pressure of 0.2 MPa. Heat is transferred to the cylinderuntil the temperature of the...
- Q 2. A four-wheeled vehicle has a mass of 1500 kg. thetractive resistance is 1100 N. The engine develops 60 kW at maximumspeed of 2500 r/min. The gear ratio is 45:1...
- Q (a) Calculate the settling velocity of glass spheres(density = 2467 kg/m3) having diameter as 1.5 mm in water. Theslurry contains 65% by weight solid. Use Newton’s law.(b) Mixture of an...
- Q A 6 in. schedule 800 steel pipe (OD =6.62 in) will be used totransport 450 F steam from a boiler house to a new process unit.the pipe will be buried...
- Q The gas phase reaction: 2A+B = 3C , is carried out in anisothermal packed bed reactor. The rate is first order with respectto reactants A and B (second order overall)...
- Q Discuss what is advantages and disadvantages of rebot teaching inLocaly ,globaly and regional y?
- Q how can make a doctor really feels the touch sensationwhile using a surgical robot? i need a plan that aims to create asystem of haptic feedback that actually let the...
- Q Discuss three categories of evident failures
- Q Space-based solar is gaining interest. Arrays of solar panelsare placed in orbit to capture solar energy. The energy is thentransmitted wirelessly to earth. The primary advantage being that aspace-based photovoltaic...
- Q The steel beam has the cross section shown. The beam length is L = 6.9 m, and the cross-sectional dimensions are d = 345 mm, bf = 185 mm, tf...
- Q Explain a few aspects of how patents may be change, or theirimportance may change, due to the advent of 3d printing and relatedtechnologies.
- Q A double-pipe heat exchanger is used to condense steam at 40°Csaturation temperature. Water at an average bulk temperature of20°C flows at 2 m/s through the inner tube (copper, 2.54 cm...
- Q Protolabs is one of the companies changing the economics ofinjection molding by 3d printingmolds. Why does this change the cost reckoning of injectionmolded parts?
- Q The US Postal Service has recently commissioned a study of theeffects of 3d printing on its business. Some were pessimistic,saying 3d printing would be bad for the postal service, whileothers...
- Q How might product liability law be disrupted by 3D printing?
- Q ThermodynamicsANSWER: 1,713.4Determine the specific enthalpy of 1.5 kg of water contained ina volume of 0.73 m3 at 200 kPa.
- Q What is the importance of S11 parameter in one-port antennameasurements?
- Q Explain the motions of each mechanism in an excavator arm
- Q Design a vibration limiting machine which has input vibrations of sinosidal force of ACos? Where A=106N. The machine has a mass of 60kg and frequency of the input force is...
- Q Write minimum 20 comparsions between ELECTROMAGNETIC PUMP & ELECTROMAGNETIC REACTORS? Â
- Q Name two sources of renewable energy that you know andone way of harvesting and storing energy from one of them. Make asketch of the process and label the components that...
- Q write 200 words (screw drivers )To select materials based onproperties, manufacturing, sustainability, available time, cost andperformance.Keywords:      properties, processing, performance, sustainabilityPrerequisiteKnowledge:         basic knowledge of general materials’ properties.These factors can be broken down into...
- Q There have a thin and symmetry wing. aspect ratio is10, span is 5m, taper ratio is 0.8 and δï¼Ï„ï¼0.055. wing's speed is180km/h and lift is 1.000N. Determine this wing's angle...
- Q A well-insulated rigid tank contains 3kg of saturatedliquid vapour-mixture of water at 250kpa. Initially, three quartersof the mass is in the liquid phase. An electric resistance heaterplaced in the tank...
- Q A beam is subjected to equal bending moments M = 6.5 kip-ft, asshown. The cross-section of the beam is also shown. The toprectangular area (1) has cross-section dimensions b1 x...
- Q 5) Name the different types of thermal cutting and discussdesigning tooling for thermal cutting.
- Q 8) Discuss tooling for adhesive bonding and describe how it isdifferent from other tooling. What are the eight different type ofloading that can be applied to a bond line?
- Q A disk with outer radius ro = 150 mm and inner radius ri = 25 mmis press-fitted onto a shaft of radius 25.075 mm. Both members aresteel with Young’s modulus,...
- Q 4) Discuss laser fixtures and tooling for soldering and brazingand how these methods require some special considerations formaking them.
- Q 3) Discuss some general design considerations when makingwelding fixtures and also discuss some general clampingconsiderations when making welding fixtures.
- Q 2) Name some types of resistance welding and discuss some designconsiderations when making them.
- Q Discuss Arc Welding and Gas Welding fixtures and someconsiderations when making them
- Q A heat pump uses groundwater at 12°C as an energy source. If theenergy delivered by the heat pump is to be 60 MJ/h, estimate theminimum mass flow rate of groundwater...
- Q Write the procedure for steam purging
- Q a.Below table shows the number of conforming products in 20days. (a) Set up the fraction nonconformingcontrol chart for this process. Plot the preliminary data in Tableon the chart. Is the...
- Q Problem Solve m x''+ kx = 0 for m=2 kg, k=18 N/m and thefollowing initial conditions:a) x0 =1 mm, v0 = 3 mm/sb) x0 = -1 mm, v0 = 3...
- Q Write the procedure for fuel gas purging
- Q Write the procedure for N2 purging
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!