Mechanical Engineering question and answers for July 30, 2023
- Q Â Determine the specific volume (m3/kg) of air at T = 159.6 K and P = 37.5 bar using the generalized compressibility chart.Â
- Q A cylindrical specimen of some metal alloy 8.6 mm in diameter isstressed in tension. A force of 9070 N produces an elasticreduction in specimen diameter of 0.0048 mm. Calculate the...
- Q Compare the following: belt drive,chain drive, and gear system.What are the fundamental characteristics of each? Whatare the advantages and disadvantages of each?
- Q Water flows upward and then is discharged to the right through a3 inch diameter pipe elbow, at a steady flow rate of 1 cubic footper second, the gage pressure at...
- Q 3. Sketch a T-v diagram and find the specified state for thefollowing statesa. Propane at critical temp & press find T(°C), p(bar) andv(m3 /kg)b. Water v=.05 m3 /kg, T=140°C find...
- Q Explain what the viscoelastic behavior of plastic materials is.Â
- Q In your own words describe the mechanisms for the elasticdeformation of thermoplastics and for the plastic deformation ofthermoplastics.please write clearly
- Q how we can regenerated fix bed reactor insidecatalysts we want use again catalysts
- Q An adiabatic steam power plant turbine receives 500kg/s insteady flow at 8MPa and 500 degrees C(state 1), the steam exits at15kPa with quality of 0.95(state 2 actual). Find a) isentropicpower...
- Q An adiabatic steam power plant turbine receives 500kg/s insteady flow at 8MPa and 500 degrees C(state 1), the steam exits at15kPa with quality of 0.95(state 2 actual). Find a) isentropicpower...
- Q There are three dominant metal additive manufacturingapproaches: laser powder sintering, plasma metal wire, and electronbeam metal wire. Construct a table that compares the three withrespect to: breadth of materials that...
- Q The specification of a pressure sensor is shown below: Range ofmeasurement: 10 psi to 250 psi. Accuracy : ±0.2% of span. Transferfunction : 0.5?/psi. Transfer function accuracy: ±0.1% Sensoroutput resistance,...
- Q Recommendation and discussion for hydraulic pressure controlvalve using sequence valve (lab report)
- Q A convergent-divergent duct has a throat area that is 1/3 thearea of the inlet. If the pressure at the throat is 95lbft2 lessthan the pressure at the inlet, what is...
- Q Compare the use of spring stripper and channel stripper in sheetmetal dies in terms of their advantages and applications.
- Q Explain the function of the following components with referenceto sheet metal shearing dies:a) pilots, b) Stock stop.
- Q Define a fixture. Give a detailed explanation of the variouselements that should be present in a fixture.
- Q To reduce the required shearing force on the punch, toaccommodate a large component on a smaller capacity punch press,shear is applied. In a blanking operation shear is applied onthea.Dieb.Die or...
- Q Given: A shortcylinder of steel has a diameter of 150 mm and length of 500 mm. Itcomes out of a heat treatment process at a uniform temperature of200oC and is...
- Q Why are materials whose yield stresses are ighly strain ratedependent more susceptible to brittle fracture than those materialswhose yield stresses do not exhibit marked starin rate dependce
- Q Describe one mechanism by which creep deformation can occur atstress less than the yield stress
- Q Describe the mechanical test procedure for creep and fatiguetesting of a material of your choice and schematically illustratehow the mechanical property data is representing (compare a typicalcreep cruve with a...
- Q Define toughness for the case of 1) elastic deformation 2)plastic deformation 3) fast fracture
- Q Explain what is meant by Hall-Petch strengthining of a metalalloy
- Q differentiate the mechanisms of solid solution strengthening andprecipitation hardening in a metal alloy
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