Mechanical Engineering question and answers for August 16, 2023
- Q 1. Evaluate a music wire spring with plain ends where the wirediameter is 0.100†and the outerdiameter is 0.600â€. The desired spring rate is 100 lbf/in and thefree length is...
- Q I have Rockwell and Brinell hardness test data. How determinewhat kind of material I have from the hardness test?
- Q a four bar mechanism has the following dimensions.DA=300mm, CB=AB=360mm DC=600mm. the link DC is fixed and the angleADC is 60â°. The driving link DA rotates uniformly at a speed of100rpm...
- Q b)Company CC is a manufacturing company that produced automotiveparts for local market. Recently, the top management of the CompanyCC intended to market their products for global markets. Thus, theywill form...
- Q 6.(a) Name a conductor, an insulator, asemiconductor, a ductile material and a brittle material.(b) Why does atypical conductor show a relatively high electrical conductivityand a high ductility at room temperature?...
- Q ) A 50 mm-diameter propeller was installed in a 150 mm-diameterwater pipe and the propeller speed was measured for a range ofwater discharge in the pipe. The water had a...
- Q A solid shaft is designed to twist nomore than an angle of 2º when subjected to a torque of 800 Nm. Theshaft is 1 m long and made from a...
- Q function and working principle of the component of the hydraulicpower steering system with diagram. and kindly it's good if yousend me a pdf or a book that briefly explains
- Q Cryogenic engineering.Theoretically investigate the performance of zeinerliquefaction system using inline helical and spherical tubearrangements...Model the system and list all the variables related to it....Alsostudy the efffect of varying outside conditions...
- Q 7 mm çaplı 26 mm uzunluğundaki çelik tel, ön gerilmeli betonüretiminde kullanılmaktadır. P çekme kuvveti uygulandığında, telin65 mm uzadığı görülmektedir. E=200 GPa olduğuna göre, a) Pkuvvetinin büyüklüğünü b) telde oluşan...
- Q Write short notes on the following, illustrating your answerswith neat sketches wherever necessary:1- Effect of supersaturated flow in steam nozzles, and2- Steam injector.
- Q a-Calculate conventional yield effort at 0.2% (0.002in./in.)b- Tensile strength.c- The modulus of elasticity.d- Elongatione- The reduction in area.f- The engineering effort to fractureg- The real stress to fractureh- The modulus...
- Q An aluminum plate with a thickness of 2L=0.22m is initially at atemperature of To=250°C. The plate is suddenly brought into contactwith a fluid at a temperature of T∞=50°C, where the...
- Q In the planetary gear train shown in Figure Q2, the annulus Arotates at 300 rpm about the axis of fixed wheel S which has 80teeth. The armed spider (arm) is...
- Q 3. What is the just-in-time (JIT) manufacturing? How to achieveit? How does it impact facilities design? (15 pts)
- Q The indoor temperature of an oven can go up to 250 degreesCelsius. There is a 2 mm thick sheet metal material inside andoutside of the oven wall. There is a...
- Q Water (cp=4179 J/kg·K) at 30 °C flows on the inside of a steeltube with 25 mm inner diameter and 0.4 mm wall thickness at a flowrate of 0.4 kg/s. The...
- Q Air enters the compressor of an ideal cold air-standard Braytoncycle at 100 kPa, 300 K, with a mass flow rate of 6 kg/s. Thecompressor pressure ratio is 10, and the...
- Q What fluid property is responsible for the developÂmentof the velocity boundary layer? Explain in detail.
- Q A rectangular car tank 20m long, 4m wide and 3m deep iscompletely open at the top. If it is initially filled to the top:(a) How much liquid will be spilled...
- Q Air enters the diffuser of a turbojet engine at 18 kPa, 216 K,with a volumetric flow rate of 230 m3/s and a velocityof 265 m/s. The compressor pressure ratio is...
- Q Sketch and label the following thermodynamic processes onenthalpy-temperature or internal energy-temperature diagrams (asappropriate). Use a separate diagram for each case. Clearly labelreactant and product conditions on each diagram as well...
- Q nterpret the following NC program block by block. Indicate G andM functions for each block, describe the tool movement and its pathalso.N010 G90 G70 M03 S1200 T05N020 G00 X0.375 Y0.875N030...
- Q Infrared Soldering(FOR REPORT PURPOSE)SynopsisIntroduction (Applications/Industries)Â Â Mechanism and Metallurgy
- Q Explain the finite element method for stress analysis asyou would to a high school student who is interested in becoming anengineer. Note that this could be the deciding factor for...
- Q Derive the formula (together with diagram/s whereapplicable) for the critical load of an eccentric loadingconditions. Â
- Q Why is three wire method preferred for measuring the effectivediameter of thread over two wire method? derive mathematicalequation of with worth thread
- Q cooling a gas in a piston cylinder.if the boundary work of piston cylinder is compressedW = -10 kjdetermine if it is gained or lost by the gas.
- Q Students will design a mutually operating gear systemunder the conditions given in this question. (Sizing will be doneas a result of calculations according to working conditions,material, construction status and strength)....
- Q A high carbon steel shaft is used in an engine and subjected todifferent loads. In order toanalyse the stress in the shaft, consider a rectangular elementwithin the material. Thiselement is...
- Q A simple R134a plant is develop 70000kJ/hr of refrigerant leavesthe evaporator as saturated vapor at 10 degree c. After isentropiccompression the pressure of refrigerant is 10 bar. Draw the P-hdiagram...
- Q Why do we may avoid normal shocks when designing aircraftgeometries?
- Q write a report about the ( effect of wind on range andendurance)
- Q A syngas fuel consists of these following volumetriccomposition: 75% methane and 25% butane. The syngas at 100 kg/hourand 25oC is mixed with 20% excess air at 30oC. Due to incompletecombustion...
- Q a) Briefly write down the basic heat gains that make up thecooling load in items.b) A desired feature from refrigerants is that the evaporationpressure is high and the condensing pressure...
- Q How would you expect a flaw to affect the mechanicalproperties of brittle materials?
- Q A tank of water is emptied by the force of gravitythrough a syphon. The difference in water levels between the twotanks is 3 m and the highest point of the...
- Q CASE STUDY:Torsion in Solid and Hallow ShaftApplicationDIRECTIONS:Select anapplication on Torsion AxelProblem, research theproblem and submit a report according toPart 1:-Present yourexample of TorsionApplication for solid and hallow shaft- Identifythe conceptsof...
- Q Two tanks each contain 100 gal of water and tank 2 initially has50 lbs of salt uniformly dissolved in it. An external flow bringsadds 5 gal/min to tank 1 with...
- Q A)Model the heat transfer system that occurs during theextrusion process and explain the types of heat transfer that occurduring the process.B)Mold material, material to be extruded, mold sizes, materialsize and...
- Q A student studying in medical school, according to the bodystructure of a person with high fever, the bodywill help calculate the time required to lower the temperature to acertain degreewants...
- Q Steam enters the nozzle of an impulse turbine stage at 60 barand 500 °C and leaves at 20 bar. Flow is adiabatic and reversible.The nozzle angle is 20°. The moving...
- Q PROBLEM 4 (3 separate mini-problems) a. Consider two differenttypes of motors. Motor A has a characteristic life of (4000+YZ)hours and a shape parameter B = 0.9. Motor B has a...
- Q Explain using an example why computing lift ratio is better inassessing soundness of an association rule than just using supportfor the products associated in the rule or confidence in the...
- Q Air at 25°C flows over a 10-mm-diameter sphere with a velocityof 20 m/s, while the surface of the sphere is maintained at 75°C.What is the rate of heat transfer from...
- Q A heat exchanger with one body and eight pipe passesis designed. Water flows from the exhaust gas pipes as cold fluidby the body as cold fluid. Exhaust gas to the...
- Q A vertical axis cylinder 0.075m2 in cross sectionalarea is open to the atmosphere at one end and closed at the otherby a piston which supports a mass of 85 kg....
- Q Describe the drive system used bythe robot including the type of sensorAny robot from any brand:FANUCYaskawaMotomanABBKUKA
- Q The temperature and pressure of the steam at the inlet of a high pressure turbine is 500 ° C, respectively. It is 12 MPa and 300 ° C and 3MPa...
- Q In 2014, General Motor (GM) decided to recall about 1.6 millionvehicles worldwide to rectify vehicles in which the ignition canswitch to ‘off’ while the car is running, disabling the powersteering...
- Q The diameter of the discharge and suction pipe of a boiler feedpump is 4 inches and 6 inches, respectively. The water delivered is250 GPM and the temperature is 60 F....
- Q develop a mathematical model and rate of return codefor helical compression first priority used individual which isoperated at minus 273 degree centigrade with the help of liquidhelium and liquid nitrogen.write...
- Q PLEASE ANSWER ALL QUESTIONS. ALL THE QUESTION ARE RELATED INEVERY NUMBER1. \"For each of the following questions, use a dry bulbtemperature of +26°C and a wet bulb temperature of +15°C,...
- Q A turbine consumes 9.08 kg of air per second with a pressureratio of 4/1. Assuming that the efficiency of the generator is 70%,that the individual performances of the turbine and...
- Q Drag measurements were taken for a 5 cm diameter sphere in waterat 20 °C to predict the drag force of a 1 m diameter balloon risingin air with standard temperature...
- Q Prepare a case study which explains the effect of thefollowing components and process on the boiler efficiency andmention how much it changes the efficiency:Fuel treatmentAir preheaterFeed water heaterEconomizerFlue gas treatmentFeed...
- Q By choosing one of the abrasion test methods applied to metals;Write how the test is done, the graphics drawn as a result of thetest, which parameters are drawn, and which...
- Q 1-List three main components of disc brake system?2-List two types of dic brake rotors?3-List the two types of caliper in a disc brake system?
- Q A steam turbine receives superheated steam at 18.0kg/s, 500.°C, and 3.00 MPa and exhausts it to 10 kPa with a qualityof 96%. If the turbine is assumed to be internally...
- Q A feedwater heater is a device to heat the feedwater before itgoes into the boiler. This device receives one stream of saturatedvapor at 0.8 MPa and another stream of compressed...
- Q need 7 to 8 slides presentation on \"lifting Hazards\"from chap 15 of book \"OCCUPATIONAL SAFETY AND HEALTH ForTechnologists, Engineers, and Managers SEVENTH EDITION DAVID L.GOETSCH\"
- Q Apply systems thinking as a methodology to how you intend toinvestigate and assess your study project (Power Generator SpeedBreaker), following, and documenting all the 7 steps to SystemsEngineering (SE).
- Q A batter stands at home plate in Yankee Stadium and hits theball toward the right field foul pole. The pole is 314 ft from homeplate. If the baseball leaves the...
- Q Give at least 2 examples of how climate change is impacting landsystem change and freshwater use .
- Q Draw a typical creep curve and show the 1st, 2nd and 3rd Creepzones on them and explain the creep mechanisms that occur in thesezones.
- Q A Parter governor with upper and lower arms (250 mm) equallength, each pivoted at a distance ( 30 mm) from the spindle axis.The ball and dead mass ( 10 &...
- Q Consider an orthogonal machining process carried out on a steelalloy of 600 MPa shear strength, the width of the cut is 10mm. Thedepth of cut is 0.5 mm and the...
- Q Fatigue is a condition which usually causes damage in aircraftstructures. The damage of anaircraft structure could possibly lead to failure.(a) Discuss how to sustain damage in aircraft structures before aninspection...
- Q Level 0 from the product structure indicate the subassemblies atthe lower level? T OR F
- Q What is the closure problem, which occurs when applyingReynolds-averaging to the Navier-Stokes equations, and why is it a problem? How does one work aroundit?
- Q A converging-diverging nozzle is designed to operate with anexit Mach number of 2. The nozzle is supplied from an air reservoirat 600 kPa and temperature is 300 K. The throat...
- Q Consider a very long rectangular fin attached to a flat surfacesuch that the temperature at the end of the fin is essentially thatof the surrounding air, i.e. 20°С. Its width...
- Q Interpret typical creep curve and use mathematical analysis topredict creep behaviour
- Q Why do surfaces absorb solar radiation differently?
- Q Graph 2Substance AmmoniaThis is an hypothetic Refrigeration cycle.Draw the schematic for this case. (evaporator, compressors...)Sketch the T-s and P-v diagram. 30 points.ProcessState 1 leaving the evaporator at -20 C and...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!