Mechanical Engineering question and answers for July 05, 2023
- Q Refrigerant 134a at p1 = 30lbf/in2, T1 =40oF enters a compressor operating at steady state witha mass flow rate of 400 lb/h and exits as saturated vapor atp2 = 160...
- Q A P - 51 Musta ng (WWII plane) is tested in the large windtunnel at NASA Ames. The plane has a pitot - static probe systemmounted. We want to test...
- Q Autodesk Inventor 2019 Essentials Plus: Creating and EditingSketched FeaturesIf the answer is FALSE write a complete sentence explanation ofwhy the answer is FALSE.1.What is a base feature?2.When creating a revolve...
- Q The metal titanium, which is useful in making alloys to resisthigh temperatures and extremely corrosive environments, adopts twocrystal structures – close-packed hexagonal (α-phase) at roomtemperature and body-centred cubic (β-phase) above...
- Q Would you like to explain more to me relate with CourseMechanical Behaviour in 50-70 worda. Stressb. Shear stressc. Straind. Elongatione. Safety Factorf. Deflectiong. Deformationh. Modulus Young
- Q Explain in brief, the importance of Energy Auditing and EnergyManagement. With the use of a casestudy, explain its significance at your workplace.
- Q Determine the chimney height required to preserve design flow ina natural recirculation boiling water reactor channel with thefollowing characteristics:System pressure: 7.136 MPaReactor height 1.83 mFeedwater temperature 260 CelsiusCombined pressure in...
- Q 4.3 Brief give the command for exporting your designfrom CAD to the rapid prototypingmachine or 3D printer. (5)
- Q The hydrogen gas of question one passes through a pipenetwork and now has a static pressure of 1 atmosphere, temperatureof 293 K and a Mach number of 1.7. Let ?...
- Q 1. To obtain a solutionthrough superposition of solutions, describe the number ofnon-homogeneous conditions per sub-problem.2.   Discuss the relevance of shape factors.3.   Discuss the requirements for using the superposition method ofsolution.4.   Describe what is...
- Q Isthere a specific formula in case there was a known heat loss givenby the equation q=h(T1-T2), where h=a w/m2.K and then the speed ofthe airstream changed and h=became h1=a+ 70...
- Q y'=y-x^2 ; y(1)= -4Write a MATLAB program that makes two plots of the solution tothe equation using the following values. Suggest you use nestedloops instead of two different loops. Be...
- Q Why is it a good idea to create value stream process maps?
- Q A 3\"-diameter, 5\"-long gas-piston assembly contains air at STP.(STP: Standard Temperature and Pressure conditions, 300K and 1 atm.At these conditions the air density is approximately 1.2kg/m3.)Calculate the necessary piston displacement...
- Q Why is edge bead more common in thick SU-8 compared to thinShipley 1827? How can we minimize the edge bead problem (describeall possible methods)? What kind of issues does edge...
- Q what are the aspects that you will consider to evaluate thepressure measuring devices
- Q Submit Book Review Cover of Barriers and Accident PreventionbookSubmit the scholarly book review of Erik Hollnagel’s book titleBarriers and Accident Prevention. (current edition).You should review the following documents associated withwriting...
- Q If1080 steel was heated to 1000 degree and then aircooled in the roomtemperature, 1080 steel has lower strength, what additional heattreatment do you recommend to gain strength? Explain in terms...
- Q What is the difference between the ECI and body frames?
- Q what is firehole furnace, bottom blow down andfeedwater pump. parts of a boiler
- Q Prove the equivalence of Kelvin-Planck and Clausiusstatements.
- Q A steel wire with a cross-section area 2.5X10^-3 m2 and a lengthof 10 m is used to pull a truck on the road. The truck is 10 tonsand the friction...
- Q (1) Problem 9-33 (show the solution process indetail)9-33 An ideal Otto cycle has a compression ratio of 8. At thebeginning of the compression process, air is at 95 kPa and...
- Q Â List the advantages of using sheet metal parts ?List the advantages and disadvantages of using a lubricant in forging ?
- Q Two trains of equal weight, moving with velocities of 30 milesan hour each and in opposite directions collide. Show that the lossof energy caused by the impact is the same...
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