Mechanical Engineering question and answers for July 10, 2023
- Q does anyone have notes for finite element method and/ orstructural dynamic?
- Q MATLABAccording to Moore’s Law ( an observation made in 1965 by GordonMoore, a cofounder of Intel Corporation, the number of transistorsthat would fit per square inch on a semiconductor integratedcircuit...
- Q CULTURAL BACKGROUND: AMERICAN AND JAPANESE BUSINESS CULTURESDiscuss in detail recent developments in the competition andcolaboration between american and japanese automobilemanufacturers. Do recent improvements in american competitivenessreflect improvements in engineering, production,...
- Q Describe the general theory of stress and strain. Explain theproperties and characteristics that can be determined using atensile test. Give general comparison of the different samples.This should be 1-2 pages...
- Q 6. State laws of dry friction.
- Q A pure aluminum bar has a diameter of 15 cm and a length of 1.25m. The rod is initially uniform in temperature at 300?C. The bar isnow suddenly exposed to...
- Q (Fluid Mechanics; Euler's equation and Bernoulli equation)As I know, in order to derive Euler's equation fromNaveri-Stokes equation, the additional conditions are1)Incompressible and 2)InviscidThen, in order to derive Bernoulli's equation from...
- Q List at least three advantages and disadvantages of a powder-bedlaser sintering process.
- Q What extra steps must you add for a rendezvous betweennon-coplanar spacecrafts?
- Q Would the four metals: nickel, titanium (well. thethree boats I'm using would melt before this would at a pressure ofthe vacuum pump we have is capable of), iron, or chromiumwould...
- Q 11. A gas in a piston-cylinder device is compressed, and as aresult its temperature rises. Is this a heat or workinteraction?
- Q Nitrogen (N2) contained in a piston–cylinder arrangement,initially at 9.9 bar and 421 K, undergoes an expansion to a finaltemperature of 300 K, during which the pressure–volume relationshipis pV1.1 = constant....
- Q An as-wound helical-coil compression spring with infinitefatigue life is needed to resist a dynamic load that varies from8.0 to 24.0 lbf at 45.0 Hz over a dynamic deflection of 0.3...
- Q A piston-cylinder has a volume of 1 ft3 and contains a substanceinitially at 50 °F and 1 atm. The system is then heated until thetemperature becomes 300 °F. Determine the...
- Q Refrigerant-134a enters the condenser of a residential heat pumpat 900 kPa and 65oC at a rate of 0.018 kg/s and leavesat 750 kPa subcooled by 2oC. The refrigerant enters thecompressor...
- Q show the correlation between weight percent carbon, volumepercent pearlite, and tensile strength for hot rolled carbonsteels by1- Looking up the tensile strengths in psi for the following hotrolled AISI carbon...
- Q 1. Difine the following:A. Difine a slug in terms of its fundamental unitsB. Difine a Newton in terms of its fundamental unitsC . Difine Dynamics.D. Define kinematics. Why do we...
- Q QA.1. Define the \"engineer's creed\" as given by NSPE2. Give the most general definition of of the statics factorof safety n3. Define \"toughness\" of a given material4. What is the...
- Q 1. A black thermocouple measures the temperature in a chamberwith black walls. If the air around the thermocouple is at 20°C,the walls are at 100°C, and the heat transfer coefficient...
- Q 3. A stainless steel sphere of thermal conductivity 16 W/m · Kwith a diameter of 4 cm is exposed to a convective environment of15 W/m2 · K, 20?C. Heat is...
- Q Which of the following statements are true regarding AMF/3MFfiles, in comparison to STL files?Select all that apply.a) AMF/3MF files can represent overhangs of greater than 45degrees, while STL files cannotb)...
- Q A bicycle rider is interested in the effects of temperature onair density. A change in temperature will also affect the tirepressure.a) Write a computer program that calculates air density atatmospheric...
- Q Describe how tge Rotary Engine works
- Q Describe how the diesel engine works
- Q A piston-cylinder assembly has initially a volume of 0.3 m3 ofair at 25 oC. Mass of the air is 1 kg. Weights are put on thepiston until the air reaches...
- Q Determine the missing properties for refrigerant R134a (CF3CH2F)for each state given. Show your three step decision process: i.e.1) list two known properties, 2) determine the phase, 3) lookup/interpolate properties from...
- Q Engineer Doe is employed on a full-time basis by a radiobroadcast equipment manufacturer as a sales representative. Inaddition, Doe performs consulting engineering services toorganizations in the radio broadcast field, including...
- Q Select the best answer for the question.1.   Which of the following statements about engineconfigurations is true?       A. V-type engines are lessexpensive to overhaul than inline engines.   B. The most popular dieselengine configuration...
- Q PART I. For this problem you are allowed and encouraged to lookfor data or a problem online. What is important in here is topresent the analysis.Identify a quality control problem...
- Q The propeller shaft of a large ship has an outside diameter of350 mm and inside diameter 250mm. the shaft is rated for a maximumof shear stress 62 MPa.1) if the...
- Q Identify and describe some new technologies that are beingapplied in the design process ofaeronautical systems. Provide some examples of typicalapplications.
- Q Heat is generated uniformly at a rate of 2x105W/m3 in a wall of thermalconductivity 25W/m K and thickness 60 mm. The wall is exposed toconvectionon both sides, with a fluid...
- Q Why is it important (in the context of systems engineeringmanagement) to become familiarwith analytical methods? Provides some specific examples.
- Q As changes across industries driven by Process, People,Technology happen at a rapid pace. The quality management toolkitneeds new relevance. The basic principles of Quality Management arestill relevant in the 21st...
- Q Compare ISO 9001:2015 Section 4 with the define phase of the sixsigma DMAIC. What are the similarities and differences
- Q Write MATLAB scripts to solve problem 5.21 from the textbook(bisection, specific heat) four times:a) with the bisection method (starting interval [0, 1200])b) with the false-position method (starting interval [0,1200])c) with...
- Q Describe how Automatic transmission works
- Q Describe how the manual transmission works
- Q 2.  How does the following affect the layout designon a farm that sterilize fresh fruit juice products?a.  Product Designb.  Process Designc.  Schedule Design
- Q Describe a situation where a professional engineer would requirethe need of a code of ethics. How does applying this code developand reinforce public trust?
- Q 1. State the concept of Method-time Measurement (MTM) system.How it is developed (R)?2. Explain the concept of MOST (Maynard Operation SequenceTechnique) work measurement technique. Or What are the basicadvantages of...
- Q find the info about how make the robot to pick manyload at once.
- Q 11- A standard V belt is used to connect two sheaves with pitchdiameters of 8,4 in. and 27.7 in. with a center distance of no morethan 60.0 in.a-Specify an acceptable...
- Q A car and the suspension system are a damped spring, masssystem, with a natural frequency 2 Hz and a damping coefficient0.2. The car drives at speed V over a road...
- Q ) A wet multiple-disc clutch with sintered linings is requiredto transmit 120 Nm of torque at 1000 rev/min. The axial force iscreated when 6 helical compression springs deflect 5 mm....
- Q Compare the ranges of applications of thermistors,thermocouples, and cold wires.Give examples of temperature measurements for which each of thethree methods would be suitable, but the other two would not.please, computer...
- Q For H2O, determine the specific volume at the indicated state,in m3/kg. (a) T = 400°C, p = 20 MPa. (b) T = 120°C, p = 20 MPa. (c)T = 40°C,...
- Q An axial flow fan has a hub diameter of 1.50 m and a tipdiameter of 2.0 m. It rotates at 18 rad/s and when handling5.0?^(3)s^(-1) of air, develops atheoretical head...
- Q Please explain the step by step concept of XPS ,auger andchemical shift in the graph as simply as possible.
- Q Given a point P = (2, 1, 2) and using the homogenousrepresentation:Calculate the coordinates of the transformed point P*if P is rotated about the X, Y, andZ axes by angles...
- Q 0.5 kg of a gas at temperature t1=20?C and pressurep1=0.1 MPa was contained in a cylinder with a piston.The gas was compressed (polytropic process) and a ratio of heatexchanged during...
- Q The Tools Company uses a lathe to machine an aluminum block. Theoperation time is 5 minutes. On average, the lathe requiresmaintenance after 200 parts. The average maintenance time is about2...
- Q Refrigerant 134a enters the evaporator of a refrigeration systemoperating at steady state at -4oC and a quality of 20% at avelocity of 6 m/s. At the exit, the refrigerant is...
- Q A spherical thermocouple junction 1.0 mm in diameter is insertedin a combustion chamber to measure the temperature ?T? of theproducts of combustion. The hot gases have a velocity of V=...
- Q Any 10 examples of dot product and any 10 examples of crossproduct for physics
- Q A hot dog can be considered to be a 12 centimeter long cylinder,whose diameter is 2 cm and whose properties are ? = 980 kg/m3 , cp= 3.9 kJ/kg ·...
- Q A long wire of diameter D = 2mm is submerged in an oilbath at 25 degrees C. The wire has an electrical resistance perunit length of R’ = 0.015 Ω/m....
- Q In a porter governor, the upper and lower arms are each 220mlong, and aare each inclined at 30degrees to the vertical when thesleeve is in its lowest position. the points...
- Q The function Sine is defined as:where x is an angle in radiansWrite a Matlab script program to compute the sinus valueof any angle as the following:- The program should run...
- Q Given that a potential of 0.25 mV is applied to an aluminumconductor that is 100?m long and has a square cross–sectional areawith width 1?m, answer the following questions. The resistivity...
- Q countershaft in Prob. 3–72, p. 152, is part of a speed reducingcompound gear train using20° spur gears. A gear on the input shaft drives gear A. Gear Bdrives a gear...
- Q GD&TExplain followings:1. Dimention placement in multiviewdrawings2. General arrangement of dimensions inmultuview drawings3. Dimension system
- Q What do you think are the advantages and disadvantages ofisothermal constant volume high extension cycle? And how efficientdo you think it can be?
- Q A thick spherical pressure vessel of inner radius 150mm is subjected to maximum an internal pressure of 80 MPa.Calculate its wall thickness based upon the (a) principal stresstheory, and (b)...
- Q Geometric Dimensionig and Tolerancing1. Professions (desiner, manufacturing engineer, machinist,machine programmer, inspector, tool designer) and trades, that howaffected by dimentions?2. How to reduces cost? by design through teamwork (inspector,machinist, engineer)
- Q What is the difference between a vane compressor and a radialcompressor?
- Q Diffusion in materialYou are hardening a very thick tool plate made of BCC Fe byincreasing the carbon concentration in its surface layer by heatingthe tool in the presence of a...
- Q Kate deposits P5,000 to her bank account every year when she wasin high school for four years to prepare for her college degree.She took an engineering course and since then,...
- Q Search the Internet and locate a job posting from a Part 121 or135 carrier. After locating your position, read and review therequired maintenance organization management positions in AC120-16F, Chapter 4....
- Q (a) While shopping at a thrift store, you purchase a cheapwater-heater. The heater has a total surface area of 3 m3 which youdecide to insulate using a special kind of...
- Q Compare and differentiate between metal matrixcomposite and metal alloys in term of structure, properties andapplications.(6marks)
- Q Explain the general concept behind rotary aircraftstructure and construction methods.And describe the airworthiness requirements applicable to thedesign and construction of a typical rotary aircraft fuselage andsystem such as phlone, fule...
- Q Calculate the critical size for a cube shaped nucleus whichforms by homogeneous nucleation
- Q Technology management is concerned with development, planning,implementation, and assessment of technological capabilities withinan organization or entity. A simple way to think of it ismanagement of the use of technology for...
- Q Write in yr own words introduction and conclusionabout rotary turbine aeroplane structure and system of helicopterand aircraft???
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