Mechanical Engineering question and answers for July 20, 2023
- Q Describe the common characteristics and mechanical propertiesassociated with aluminum.
- Q A nuclear power plant is planned to be constructed near Sydney.The plant is required to have an installed capacity of 1200 MW andwill be operated for 7500 hours per year....
- Q Why is the moment at leading edge(LE)=-c/4 times lift + momentat c/4=-position of center of pressure times lift? The equationshows like this MLE=-c/4*L+Mc/4=-xp*L. Because moment of leadingedge and moment at...
- Q what will be the impact towards society, health,safetyand environment if the engineer used diameter of discharge linemore than the minimum diameter?
- Q In a pharmaceutical application distilled water with a flow rateof 34560 kg/hr is to cool ethyl alcohol in a parallel flow heatexchanger. The alcohol flowing at 31320 kg/hr enters the...
- Q a)What are the two important physical quantities that characterizewetting and liquid repellency of asolid surface? Name them, and explain the difference betweenthese two quantitiesb)Peter is playing around with four different...
- Q Describe the procedure to determine the first modal damping.Outline the key steps and sketch the collected accelerationdata.
- Q The planet Mars has a diameter of 6772 km, and it orbits the sunat a distance of 227.9 x 10^6 km. If the sun is assumed to radiatelike a blackbody...
- Q Howto calculate density of mixture flowing through pipe, with 50%volume of one fluid and 50% volume of another fluid?Then for the mixture if temperature, internal diameter andpressure gradient is given....
- Q At steady state, 100 m^3/min of dry air at 32 C, 1 bar is mixedadiabatically with a stream of oxygen at 127 C, 1 bar to form amixed stream at...
- Q Argon gas is initially at a pressure of 10 bar and temperatureof 45oC (state 1), while occupying a volume of 0.8 m3 in africtionless piston-cylinder arrangement. The gas then undergoes...
- Q compressible flow:a converging-diverging nozzle has an area ratio of 5 and astagnation pressure of 1 MPa. Assume that the gas in the nozzlebehaves exactly like air. Which of the following...
- Q in c++ (Sum, average and product of numbers in a file) Supposethat a text file Exercise13_3.txt contains six integers. Write aprogram that reads integers from the file and displays their...
- Q 2-) Given the following data:Drilling Fluid Density : 12 ppgWell Depth: 10,000 ft.Drill Bit Nozzle Sizes:13-13-13Pump Horsepower: 1800Pump Volumetric Efficiency: 80%Maximum Pump Pressure: 4,500psiMinimum Flow Rate: 350 gpmParasitic pressure losses...
- Q Air enters a counterflow heat exchanger operating at steadystate at 22°C, 0.1 MPa and exits at 7°C. Refrigerant 134a enters at0.2 MPa, a quality of 0.33, and a mass flow...
- Q Slab milling is performed on the top surface of a rectangularworkpiece that is 12.0 in long by 2.5 in wide by 4.0 in thick. Thehelical milling cutter, which has a...
- Q 1) In an air-standard Brayton cycle, the air enters thecompressor at 0.1 MPa and 15?C. The pressure leaving the compressoris 1.0 MPa, and the maximum temperature in the cycle is...
- Q Watch the video “Branson Up Close by Eric Schurenberg†onRichard Branson and his philosophy for managing people(https://www.inc.com/eric-schurenberg/sir-richard-branson-put-your-staff-first-customers-second-and-shareholders-third.html.)1. Explain the concepts of Servant Leadership
- Q Discuss this statement in detail within the context of theMalaysian environment. Veryoften codes of practices suggest discretion of engineeringjudgement. There are meritsand demerits of international codes of practice and standards...
- Q A roller chain drive is to transmit a design power of 9.0 kWwith the faster shaft having a speed of 84 rpm. Select the mostsuitable chain size and type of...
- Q 4a- Explain what typical vibration problems you would expect tosee monitoring a high frequency bandwidth of 2000Hz to 10000Hz, andwhat typical problems you can expect to see with a low...
- Q Five kg of butane (C4H10) in a piston–cylinder assembly undergoa process from p1 = 5 MPa, T1 = 500 K to p2 = 2 MPa, T2 = 450 Kduring which...
- Q Describe in detail how SARA analysis is conducted. What is itssignificance? Describe the role of Asphaltene in crude oil emulsionstabilization mechanism. How does the presence of Resin affect theAsphaltene stabilization...
- Q Howdo roller finger followers work in a motor vehicle engine?
- Q (a) List the characteristics of parabolized flows and theinterest for solving these type of flow simulations and(b) describe different pressure fields to start the solution ofthe momentum equations for the...
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