Mechanical Engineering question and answers for August 12, 2023
- Q Describe two different designs utilized for separation of waterand gas for oilfield applications.
- Q Saturated steam condenses at the surface of a 200 mm pipe withthe length of 2 m and temperature of 90 C. Find the rate of heattransfer and total condensation rate...
- Q Assume that Stage 1 (home market) of the business produced 200vehicles using a craft manufacturing approach. Discuss how yourmanufacturing approach might or might not be different for Stage 2(international market)....
- Q A. Identify, discuss and analyse the project managementtechniques and software such as Trello, Slack, meeting minutes thatyour group used in this unit. Consider, which aspects worked welland which did not;...
- Q You have recently been employed by DRYSON, a start-up in thebusiness of manufacturing and supplying home appliances throughonline stores. DRYSON’s business model is based on evaluating andunderstanding existing successful products,...
- Q Draw the functional tree diagram of a hair dryer using itsprimary function and sub-functions.
- Q Thecondenser of a thermoelectric plant is a shell and tube heatexchanger consisting of a shell and 30,000 tubes, each of whichexecutes two steps. The tubes are thin- walled with D...
- Q A 140litre container is to be used to store heat for a domesticheating system. There are two options for the storage material,lead blocks or clay bricks. Using the data provided...
- Q Hot exhaust gases, which enter a tube heat exchanger withcross-flow fins (bothunmixed fluids) at 1.5 kg/s and 250 oC, are used to heatpressurized water at a speedof 1.0 kg/s and...
- Q Ordinary differential equations, have many application areas suchas electromagnetic-induction, electric circuits, population models,mixing problems etc. Give an example of one of these applicationareas. Obtain the solution of the sample you...
- Q Consider a regenerative vapor power cycle with two feedwaterheaters, a closed one and an open one, and reheat. Steam enters thefirst turbine stage at 12 MPa, 560 °C, and expands...
- Q (a) The air conditioning unit of a car is operating on a summerday when the temperature is 37°C. It cools the air to 6°C using 3kWof power output. The A/C...
- Q Lesson: Robot mechanics3-) Design your own original determined by the dimensions andCartesian (PPP), Cylindrical (RPP), Spherical (RRP), the verticalaxis (Scar) (RRP) or joint (RRR) manipulator forward and inversekinematic calculations for...
- Q Water is heated in a mixing chamber by mixing it with hot watercoming from a heater. The mixing chamber loses heat to thesurroundings at a rate of 5 kW. The...
- Q Ineed a report on the rate of flow and friction in pipes for acourse mechanic, not less than five pages of solutionswith the fig.
- Q Determine the magnitude and direction of the principal voltagesfor the voltage state given by ??? = 200, ???= 400, ??? = −100 and ??? = ??? =??? = 0 (all...
- Q To transmit 75 kW at 25 rev/s using 48 mm diameter shafting. Theflanges are to be made of cast iron and keyed to the shafts, andpower is transmitted from one...
- Q Using a large bucket whose volume is known and measuring thetime it takes to fill the bucket with water from a garden hose,determine the mass flow rate and the average...
- Q What is the acceleration of the 62 kg block if θ  =34, μ s = 0.4, and μ k =.3? Round your answer to three significant figures.If the block starts from...
- Q The beam is fixed-supported at B and free at A.  Findthe function, in terms of x, for the internal shear force in thebeam.Wo = 2 kip/ftP = 5 kipL = 8...
- Q Write a technical brief about non-traditional productionprocesses of Hybrid Electrochemical processes and Express it verytechnical aspects
- Q Oasis Inc. which produces water wants to analyze the mineralcontents (gm) in the bottle of 1 liter water they produce.Especially, they are interested in identifying the magnesiumcontents, which is one...
- Q 1) Find out the standard time using the following data:Average time for machineelements = 6 min.Average time for manual elements = 4min.Performance rating = 110%Allowances = 10% of normal time2)...
- Q Historical development of water jet technologyOriginal of water jet technologyDevelopment of water jet technology during the period of1860s-1940s
- Q Under normal operation, a dairy plant requires 4 kg/s ofsaturated steam at 2 MPa, which is extracted from the turbine of acogeneration plant. Steam enters the turbine at 8 MPa...
- Q The working gas of a thermodynamic cycle is air(assume constantspecific heats.)The gas originally starts at 100kPa, 4m3and 27oC.It undergoes a four step process:ï‚·Process A-B: The gas iscompressed at constant temperature...
- Q how we can safe guard global warming?
- Q Water at 700 oC has a specific volume of 0.02600m3/kg. Determinethe pressure of the water based on a) ideal gas equation, b) thegeneralized compressibility chart and c)the steam tables. (d)Determine...
- Q Explain single horseshoe vortex and its problem in predictingthe aerodynamic properties of a finite wing/downwash.
- Q Stabilization and landing braking during landing and takeoff,located on aircraft wingsthe so-called flap and spoiler, composite, aluminum alloys,etc.It is produced from materials.Two different aircraft firms, precipitation hardening on the samealuminum...
- Q A shaft carries four masses A, B, C and D placed in parallelplanes perpendicular to the shaft axis and in this order along theshaft. The masses B and C are...
- Q Saturated vapor steam enters a well-insulated turbine at300oC. The mass flow rate is 1.00 kg/s and the exitpressure is 50 kPa. Determine the final state of the steam if theturbine...
- Q Instructions: Type your answer using the Micro soft word, Linespacing should be 1.5 space line text. If you wish to sketch then,the sketch should be done with Micro soft word...
- Q 3. ÿ+ 6ẏ + 5y = r̈+ 9r(a) Find the system’s transfer function (b) Plot poles and zeroson the s-plane (c) Provide the system’s time response from thepoles of the...
- Q Basic Elements:What are the basic elements used for modeling mechanicaltranslational system?What are the basic elements used for modeling mechanicalrotational system?
- Q Define and explain the following terms as used in the solutionpurification, dewatering and concentration of pregnant solutionafter leaching.i. Sedimentation (Thickening) ii. Flocculationiii. Coagulation iv. Flotationv. Solvent extraction
- Q Select a subsystem in the passenger car, and explain why thetemperature has to be sensed
- Q Both the Fourier Series and the Discrete Fourier Transform arecalculated using summation. Explain the key differences in what theinputs each of the Fourier Series and the DFT are AND therequirements...
- Q Knowing: ε=V_4/V_1 =10, Ï=V_2/V_1 =2, and γ=1.4 for the cyclerepresented in Figure 2, calculate the Diesel cycle efficiency andcompare the value with the Carnot efficiency. Draw the V-T, and P-Tcycle...
- Q Choose a subsystem in passenger car whose functionality relieson sensing the torque, and explain the sensor theory ofoperation
- Q Give two examples of pressure sensors in the passenger car anddiscuss how each one works to serve its purpose
- Q List all the applications that need position sensor. Choose oneapplication and explain how its position sensor works using aschematic of its structure
- Q what are the Sources and calculations of expected errors,uncertainties and delays of wind tunnel test for a vehicle ?
- Q A small community of 50 members in Bidiya has decided to build amini biogas plant in their area. The waste required for biogasproduction was collected from different the cows grazing...
- Q 1- If the velocity head is 250 mm then what is the velocity ofthe fluid.2-A tube, open at both ends, is placed into water at constanttemperature. How high does the...
- Q Two reservoirs have a difference in height of 10 meters at thefree surface. They are connected by two pipes in series; the firsttube is 20 m long and has a...
- Q Humans are the most capable beings. Physical, mental, emotionaland spiritual potentials of peopleor their exergies are very high. But many people are scarred byvery little of their exergies and the...
- Q ẍ+ 10ẋ + 50x = 2u̇ + 4u (a) Find the system’s transferfunction (b) Plot poles and zeros on the s-plane (c) Provide thesystem’s time response from the poles of...
- Q What will happen to steel 4340 in a long term consideration uponcreep and fatigue? What happen to it microstructure when undergoquenched and tempered?
- Q Problem 1. Explain the definition of the unit of quantity, thedefinition of SI, and the basic unit of SI and about SI unitsystem.Also, select one of the SI basic units...
- Q A company that manufactures turbines of different sizes has beenordered to manufacture 30 large turbines. According to this order,within the next 5 months, the company should produce 2, 3, 5,...
- Q 200-mm-square, 10-mm-thick tile has the thermophysicalproperties of Pyrex (Â Â 0.80) and emerges from a curingprocess at an initial temperature ofTi 140C. The backside of the tile is insulated whilethe upper...
- Q A rigid reservoir with 3 m3 volume is connected to a supplyline.Initially the valve is closed and the reservoir contains steam at800 kPa, and x = 0.8 quality.The valve is...
- Q A rigid reservoir with 3 m3 volume is connected to a supplyline.Initially the valve is closed and the reservoir contains steamat 800 kPa, and x = 0.8 quality.The valve is...
- Q Ethical Dilemma Case Study. Each student must research areal-world example of an ethical dilemma in the field ofengineering.
- Q What does occur in aged pipe? What is the effect of the aging tothe head loss in piping system? Express the differences between thenew and aged pipe by using the...
- Q 2. Show that within the linear eddy-viscosity framework“production rate of kinetic energy†in turbulence kinetic energyequation can also be written as Pk = Cµ ε S2. Here, Sij is meandeformation...
- Q Show that within the linear eddy-viscosity framework“production rate of kinetic energy†in turbulence kinetic energyequation can also be written asPk =Cµε S2. Here,Sij is mean deformation rate tansor and S...
- Q Steam leaves the boiler of a 100 MW Rankine cycle power plant at400°C and 3.5MPa. The Turbine has an isentropic efficiency of 85%and exhausts at 15 kPa. In the condenser,...
- Q name 5 colors of wire that go to a thermostat and namewhat they control
- Q Steam enters an adiabatic turbine steadily at 3 MPa and400°C and leaves at 50 kPa. If the isentropic efficiency of theturbine is 66.7%, determine the actual temperature of steam atturbine...
- Q You are to required to design a steam power cycle that mustoperate in the parameter space defined below. Final designs shouldbe as close to the desired operating conditions as possible....
- Q Steam enters a turbine at 10 MPa, 410oC, and 80 m/s,and leaves at 10 kPa, 90 percent quality and 50 m/s. Steam flowssteadily through the turbine at 10 kg/s and...
- Q Tire manufacturing process, emphasizing the importance of pitchsequencing
- Q Elaborate on the braking system performance relation withbraking frequency. Use graphs.
- Q 1. Name 2 ways that you can prevent fuel from entering the cylinderwhen performing a compression2. Name the 4 strokes of the 4 stroke cycle engine andprovide the piston direction...
- Q Explain the modern control methods that controls the brakingforce on each wheel showingthe advantages and disadvantages of those methods. Give examplesfrom commercial brands.
- Q Introduce the tire friction circle and its effect on vehicledynamics.
- Q Steam expands in a thermally isolated turbine steadily.The inlet pressure is 1MPa and temperature is 800 C, and theexit state is 300 kPA and 150 C.a- Determine the power generated...
- Q In a thermally isolated mixing chamber cold water at 50oC and1MPa is heated steadily by a steam at 200oC and 1MPa. The mixtureleaves the chamber at 150oC.1.mass ratio of the...
- Q A cylindrical wire is bent into the shape of the quarter circleC given by ? = ? ???(?) , ? = ? ???(?) , ? = ?, for 0 ≤...
- Q A particle moves once counterclockwise about the triangle withvertices (0, 0), (4, 0) and (1, 6), under the influence of theforce F=xyi+xj. Calculate the work done by this force.
- Q Introduction on the brake forces distribution defining thelimitations on each axle
- Q Describe a conventional braking circuit showing a mechanicalforce distribution device. Usea sketch to better illustrate your ideas
- Q a proposal has been made to install an industrial robot toreplace the welder. The cell would consist of the robot, twowelding fixtures, and the fitter who loads and unloads the...
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