Mechanical Engineering question and answers for August 17, 2023
- Q Q1: answer the following without explaining anything wanted tocompare my answers with an expert, please do it immediately, I haveno time:A___________ instrument may be used to trip an inductiveproximity sensor...
- Q Three rotating masses A = 7 kg, B = 12 kg, and C = 11 kg, areattached to a shaft with their centres of gravity at 25 mm, 55 mmand...
- Q . A single stage double acting air compressor delivers 5 m offree air per minute at 1 bar and 20 C to 7.5 bar with the followingdata;R.P.M. = 300; Temperature...
- Q An external gear has a module of 4, 52 teeth in the gear, 28teeth in the pinion, a pressure angle of 20°, pinion rotationalspeed of 1500 rpm, face width of...
- Q A U- tube manometer is used to measure the pressure of oil ofspecific gravity 0.85 flowing in a pipe line. It is left end isconnected to the pipe and right...
- Q 'Dynamical Similarity of Turbulent Motion'Topic related Fluid MechanicsI need Data related to this topic, with properconcepts .Thank-you
- Q There are 2 types of Fiber-reinforced compositematerial. Continuous (aligned) and discontinuous(random oraligned)If we have aligned composite, how can we know it is discontinuous?And what is difference with random discontinuous?
- Q Are the mechanical design process “interactive†or“iterative� Explain by giving appropriate examples.
- Q A single start square- thread power screw has a diameter of 2inches and a pitch of .4 inches.Calculate the:LeadMean pitch diameterLead angle (λ)Normal angle (αn
- Q Name and explain three processes that done after printing thedesign to have it in its final state?Do all technologies need those processes, which one needs minorafter processing?  3D printing
- Q At a point in a stressed body, the principal stressesare 100 MN/m2(tensile) and 60 MN/m2(compressive). Determine the normal stress andthe shear stress on a plane inclined at 50degreecounter clockwise to...
- Q A gas turbine power plant operates on a Brayton cycleshas a pressure ratio of 7. Air enters thecompressor at 300 K. The energy in the form of heat is transferredto...
- Q Hello! In Ansys Fluent, how can I calculate the molarconcentration (kmol/m^3) of a species and molar fraction(dimensionless) of a species in fluent after I put an exact amountof the mass...
- Q Air enters the turbine of a gas turbine at 1400 kPa, 1400 K, andexpands to 100 kPa in two stages. Between the stages, the air isreheated at a constant pressure...
- Q A 4 cylinder 4 stroke 2.3 L diesel engine with bore = 12.4 cmand stroke =11 cm. the crank radius is 6.2 cm and with a connectingrod length 15 cm....
- Q Force (N)time (s)Elongation (t*0.05 mm/s)Engineering stress(Mpa)Engineering Strain00000150050.2553.059780690.006255000100.5176.86593560.01259250201327.20198090.02511250251.25397.94835510.0312511750301.5415.63494870.03751150032.51.625406.79165190.04062512000351.75424.47824550.0437514250502.5504.06791650.062515250603539.44110360.07516000703.5565.9709940.087516750854.25592.50088430.10625172501005610.18747790.12517500132.56.625619.03077470.165625172501708.5610.18747790.2125170001809601.34418110.225165001909.5583.65758750.2375162501959.75574.81429080.243751600020010565.9709940.251500021010.5530.59780690.26251325022011468.69472940.27512697.1222.511.125449.13689420.278125Initial Length (mm)Initial Diameter(mm)Area = pi*r^240628.27Maximum load capacity: 50,000 N Test rate: 3 mm/min - 0.05 mm/sSteel A Steel B Initial length, Lo 40...
- Q An Otto Cycle engine operation at cold-air standard has a volumeof 0.1908 at the beginning of isentropic compression. If thecompression ratio is 12.5, how much heat is released from the...
- Q For an ideal gas-turbine cycle with two stages of compressionand two stages of expansion, the pressure ratio across each stageof the compressor and turbine is 3. The air enters each...
- Q Which energy sector (Residential+Commerical, Transportation,Industrial Sector) has the greatest need for energy conservationand why? Which energy sector is most likely to achieve significantenergy conservation and Why?
- Q What is the more beneficial in resisting torsion the solidsection or the hollow section? State why?Please Solve As soon asSolve quickly I get you thumbs up directlyThank'sAbdul-Rahim Taysir
- Q 1. What is mesh convergence and how is it achieved in FEA in theabsence of a known exact solution?2. What are the four main sources of error in finite elementmodel...
- Q 1. The thermal efficiency of a Rankine power cycle may beimproved by i. Superheating the steam ii. Reheating the steambetween high and lower pressure sections of the turbine iii.Regenerative Feedwater...
- Q a) Briefly write down the basic heat gains that make upthe cooling load in items.b) A desired feature from refrigerants is that the evaporationpressure is high and the condensing pressure...
- Q A proposed Ocean Thermal Energy Conversion (OTEC) plant drawsheat from the ocean surface at 22°C and rejects heat to the waternear the ocean bed at 4°C. What is the highest...
- Q NASA has created a heat engine which operates between the sunand the vacuum of the space where thetemperature is absolute zero. He says that his engine is nearly100% efficient. Do...
- Q Consider a two-stage cascade refrigeration system operatingbetween the pressure limits of 1.2 MPa and 200 kPa with refrigerantR717 (Ammonia) a as the working fluid. The refrigerant leaves thecondenser as a...
- Q Ammonia is initially at a temperature of -10° C and a specificvolume of 0.07 m3/kg. The ammonia undergoes an isobaric expansionto a final specific volume of 0.22 m3/kg. Evaluate the...
- Q Liquid phenol at 298 k, 100kPa is burned with 152%theoretical air at 295k, 100kPa. Determine the adiabatic flametemperature. Enthalpy of liquid phenol is given as -96,232kJ/kmol
- Q Find the solution for each partA) In the tensile and wood experiments, you learned about thestress-strain behaviors of different materials.Sketch a thoroughly labeled stress-strain diagram to explain themechanical properties of...
- Q Air flows in a converging-diverging nozzle. The nozzle throatarea is 50 cm2. The total pressure at the nozzle inlet is 1 MPa.The total pressure at the nozzle exit is 650...
- Q Ihave a 3-D matrix with (100,100,100) elements in Matlab, but itexceeds the limit of display. I want to extract those values fromMatlab to excel. I want to know how to...
- Q Question 7An axial flow water Kaplan turbine operates under a head of 2.5m while the rotational speed is 75 rpm. The runner tip diameter is4.8 m and the hub diameter...
- Q Name the three Functions that advanced manufacturing automation,explain them in a few wards, and give an example on each one ofthem?
- Q Is there any reason for why a V-notch weir equation for flowrate will give much different values than the measured flow ratevalues in an experiment? The professor says this is...
- Q 3. In a Rankine cycle, the water enters the turbine at a pressure of L = 15 MPa and M = 525 ° C. Condenser pressure is N = 10...
- Q Hot forging is used to reduce a metallic cylindrical workpiecewith a diameter of 12 cm and height of 24 cm to a height of 15 cm.The coefficient of friction of...
- Q The whey obtained from centrifugation to extract some proteinsis stored in a preliminary tank and subsequently pumped at a rateof 20 L / s to the general storage tanks, to...
- Q Air at 20°C and 1 atm flows over a spherical object at 1 m/s.The sphere has a diameter of 10mm and its initial temperature is134°C. If the density, specific heat,...
- Q Q/A coal sample has 90% carbon, 3.3% hydrogen, 3% oxygen, 0.8%nitrogen. 0.9% sulphur and 2% ash. For 50% excess air supplydetermine percentage composition of dry flue gases by volume andminimum...
- Q A 3-kg mass is attached to the end of a coil spring withstiffness k=48N/m . The mass is then pulled down 0.5m (from itsequilibrium position) and released at t =...
- Q A piston cylinder device with air is going through an isentropiccompression. The initial pressure is 0.1 MPa and temperature is 300K. During the isentropic compression process, the volume isdecreased to...
- Q 2. In the PLD method, among the mechanisms under which thematerial is ablated, I wonder what is the conditions for theexfoliation sputtering.
- Q A one-stage rocket takes off from Space and is tasked withentering into a geosynchronous (theperiod of orbit is one day) low earth orbit at an altitude of2,000km above the surface...
- Q A small changes in liquid will give a large change in metric.Which indirect liquid level measurement below, that detect a smallchanges in liquid and have a low cost? Briefly explain...
- Q kindly do the stability analysis ( longitudnal, lateralstability) lift and moment coefficient for boeing 787 or boeing 777aircraft.
- Q Consider an axisymmetric pipe flow simulation. The pipe is 40 mlong in axial direction and its radius is 0.2 m. The structuredmesh is used in the computational domain and it...
- Q 3.Write a report on AI based Social distancing monitoring usingdrone with out human interaction report should contain drone designit specification it's algorithm control system algorithm.minimum 10A4 size page.No plagiarism is...
- Q I'm running a single cylinder engine simulation using ADAMS/Viewto determine the torque output based off of the combustion forcewhich needs to be given as a function of time. I'm having...
- Q 10-35: A helical coil compression spring is needed for foodservice machinery. The load varies from a minimum of 4 lbf to amaximum of 18 lbf. The spring rate k is...
- Q 2 kW of power will be trasnmitted via chain-sprocket system.Rotational speed of input shaft is 20 rpm. Required approximaterotational speed of input shaft is 20 rpm. Required approximaterotational speed for...
- Q Study and indicate a method of marking of 8 holes on asingle Pitch Circle Dia (PCD) of a round disc (illustration). Thepart of the problem is that of many of...
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