Mechanical Engineering question and answers for July 13, 2023
- Q Explain the function of various parts of a data acquisitionsystem. What are the industrial applications of PC-based dataacquisition system? and how it assists in calibration and testingof measurement sensors?
- Q Why is there a difference between the microstructure andproperties of the metallic parts fabricated by AM compared toconventional processes?
- Q Hybrid Additive manufacturing is a process in which we usesubtractive and additive processes together to produce a part.Explain how this process can beat AM in terms of part quality.
- Q A steam power plant with boiler use coal fuel with net heat 4000kcal/kg and boiler efficiency 90%. If steam utrbine from the powerplsnt generate power output 100 MW, at condition...
- Q Â Discuss the reasons why hydrogen is liquefied and the benefits associated with this effort.Explain how a fuel cell produces electrical current.What is double-layer technology?Select one:a. two activated-carbon electrodes are immersed...
- Q A cylindrical specimen of aluminum having a diameter of 0.75inches and a length of 8 inches is deformed elastically in tensionwith a force of 11,000 lb. Assume the following properties:...
- Q How to calculate the efficiency for the different thermal energystorage mediums like 1)Water 2)Water-Glycol mixture 3)Mineral Oil4)Synthetic Thermal fluid 5) Molten inorganic salts 6)Molten Metals7) Solid Storage like concrete.
- Q An ideal diesel engine has a compression ratio of 20and uses air as the working fluid. The state of air atthe beginning of the compression process is 95 kPa and...
- Q This is for a GIS class working with ArcGIS and ArcMap. I don'tknow how to approach this.You can define the coordinate system in three main ways. That isusing the Select,...
- Q (a) What is the difference between turning and milling? What isthe difference between peripheral milling (slab milling) and facemilling? (b) What are the main parameters in describing the profileof a...
- Q Why would higher levels of atmospheric humidity increasecorrosion on carbon steel yet not affect titanium?
- Q (a) Describe the process steps in sand casting? Compare to diecasting, what are some major advantages and disadvantages of sandcasting? (b) Describe the process steps in investment casting? (c) Describe...
- Q How linear Velocity and acceleration, and angular velocity andacceleration depends upon the engine rotation angle?
- Q (a) Describe the steps in conventional powder metallurgy shapingprocess. What are the advantages and disadvantages of this process?(b) How does the fabrication of thermoplastic polymer differ fromthe processing of thermosetting...
- Q (a) Bulk deformation processes include rolling, forging,extrusion and drawing. Describe each process. (b) Whatis the main difference between hot working and cold working? Listat least two advantages and two disadvantages...
- Q Assume that you are appointed by a university as the technicalmanager of the University's Formula-SAE-A Race Car project and youare required to:a) Identify the relationships between operational objectivesand functional requirements...
- Q What is a patch, or micro strip, antenna and how does itwork?
- Q Hyrdaulic jack for lifting articulator trailer conceptual designsketch. NOTE: THE OPERATOR MUST JACK FROM OUTSIDE THE TRAILER
- Q how to find surface temperature of the flat plate which issubjected to air flow from one side and constant temperature on theother side using Ansys fluent ?
- Q The moon has a very low average atmospheric pressure of 3x10-15 bar (1 bar = 100,000 N/ m 2) and a gravity of 1.62 m/s². Assuming that the density of...
- Q this is a FEM question.1a. Describe the procedure for calculating the maximum stressfor a quick heating of a machine.1b. Suppose we have a vibrating machine component and that we knowthe...
- Q 3 Question 3: In an air standard Diesel cycle with compressionratio 14, the conditions of the air at the start of compressionstroke are 1 bar and 300 K. After addition...
- Q A two-cylinder, four-stroke gas engine has a bore of 380 mm anda stroke of 585 mm. At 240 rev/min the torque developed is 11.86kNm. If the engine is supplied with...
- Q Assume the water for a boiler is preheated using flue gases fromthe boiler stack. The flue gases are available at a rate of 0.25kg/s at 150°C, with a specific heat...
- Q Describe all the steps necessary to determine the Miller indicesfor a given plane. Use a sketch of an example to demonstrate theprocess. Show all possible steps and be specific and...
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