Mechanical Engineering question and answers for August 09, 2023
- Q A door is closed under the control of a spring and dashpot. Thespring gives a torque of 13.5 Nm when the door is closed and has astiffness of 50 N.m/rad....
- Q Write a report on AI based Social distancing monitoring usingdrone with out human interaction report should contain drone designit specification it's algorithm control system algorithm.minimum 10A4 size page.No plagiarism is...
- Q Refrigerant 22 passes into a device operating at steady statewith a single inlet and two outlets. The flow at the device inlethas a pressure of 60 lbf/in2, a temperature of...
- Q At the beginning of the compression process of an air standardOtto cycle, p1 = 1 bar, T1= 300 K. The maximum temperature in the cycle is 2250 K andthe compression...
- Q 1. Steel is the material that has been chosen for a small linkin the fuel injection mechanism in a space vehicle. Whichsteelmaking process would probably be used to manufacture the...
- Q A spring loaded piston cylinder contains 1.5 kg of airat 27°C and 160 kPa. It isnow heated in a process where pressure is linear in volume, P = A +BV,...
- Q The following description applies to the next threeproblems.Air enters steadily an electrical hair dryer at 100 kPa and 27C. It leaves the hairdryer at a temperature of 80 C, an...
- Q Ina double flash geothermal power plant, the high-pressure separatoris operating at 1 MPa and the adiabatic low-pressure separator isoperating at 300 kPa. The steam quality entering the adiabatichigh-pressure separator is...
- Q 1.A materials fatigue resistance can be improvedbyremoving sharp corners in the geometric design of thecomponentintroducing a residual compressive stress on the surfaceof the component.operating the component at temperatures above itsmelting...
- Q I need sample lab report for method of joints
- Q Steam at 5MPa and 300°C enters a turbine in asteady flow manner, from the turbine the steam expands to200kPa with a quality of 90%. Find thefollowing:The work done by the...
- Q A company is considering two methods for obtaining a certainpart. Method A will involve purchasing a machine for $40,000 with alife of 5 years, a $2,400 salvage value, and a...
- Q Topic: AgitationA flat-blade turbine agitator with disk having six blade isinstalled in a tank. The tank diameter (Dt) is 1.83 m,the turbine diameter (Di) is 0.61 m and the width...
- Q Polymer-matrix composites (PMCs) which consist ofstrong fibers embedded in aresilient plastic that holds them in place are used in the greatestdiversity withapplications ranging from commercial aircraft to bath tub. Commentthe...
- Q 1. Describe the effect of composition and temperature on theequilibrium structure of aluminum alloys containing up to 8%copper?2. Explain the precipitation hardening of aluminum copper alloysby reference to the heat...
- Q For the case \" Insulated process plant piping (carbonsteel) \"define in details the material aspect and environment aspect.Environment is not limited to chemistry but also to processparameters.Subject = Materials Integrity...
- Q can you me 5 entropy sources can be found in house andhow to lessen those 5 entropy generation*can you give me
- Q The helicopter shown in the figure below has a mass of 12 tonsand it needs to rotate its 14 meter blades (diameter of the blades= 14 meters) at 670 rpm...
- Q In an industrial process, it is required to maintain30°C dry bulb temperature with high relative humidity equals to60%. Determine the following air properties when the barometricpressure is standard, a) Dew...
- Q A copper wire is strung between two plates. Find how hot the aircan be before the wire starts to melt. Given: h = 20 W/m2/K k= 415W/m/K The temperature of...
- Q With the aid of detailed illustrations and examples, identify atleast FIVE (5) challenges faced by manufacturers in the applicationof any of the following processes during this pandemic: JoiningAssembly, Surface Engineering...
- Q Sticking friction is more prominent at the centre of theforging. Explain why and what problem can be arises because ofthat.
- Q Write an article that describes all the analytical methods used forcalculating the roundness error.
- Q A plain bearing used in industrial application operatesat high speed under very high loads. All elements of this plainbearing (bearing and journal) are made of 080M40 steel. In order toprolong...
- Q The PLC program simulates a process tank being filled with afluid. The tank will start filling (via a valve) whenever the startprocess button is enabled and the tank is below...
- Q I need 7 to 12 page report on this topicDiscuss the difference between the ideal and the actualindicator diagrams of four stroke SI engine.
- Q Consider a steam power plant that operates on a reheat Rankinecycle and has a net power output of 80 MW. Steam enters thehigh-pressure turbine at 10 MPa and 500°C and...
- Q A cylindrical bronze sleeve (2) is held in compression against arigid machine wall by a high-strength steel bolt (1), as shown inthe figure. The steel [E = 199 GPa; α...
- Q What is the equation for the thermal time constant? What is thephysical significance of the thermal time constant? Can youdetermine the validity of lumped capacitance from the thermal timeconstant if...
- Q 6. Water steadily enters an extremely thin 100 m stainless steelpipe with a diameter of 10 cm at a mass flow rate of 31.4 kg/s at80 °C at 100 kPa....
- Q in a crank and slotted lever quick return mechanism, as shown infigure the driving crank length is 75mm. the distance between thefixed centres is 200mm and the length of the...
- Q Discuss a minimum of two complex systems that you haveencountered in your profession. Define why you think that they werecomplex.
- Q A shaft cycles such that each bearing undergoes the radial loadsof 30% of the time at 20kN, 50% of the time at 25kN, and 20% of thetime at 30kN. If...
- Q Explain in details the environmental impact of ballast water inship operation and discuss the role of the International Conventionfor the Control and Management of Ships' Ballast Water andSediments (Ballast Water...
- Q 3. Use oil-tempered 0.060†diameter wire to make aspring with squared and closed ends, aspring index of 4, and solid length of 1.25â€. Use a load factor ofsafety of 1.05...
- Q Activity network diagram is used to develop a work schedule forthe facilities design effort. Activity A to K is descried asfollows: A with a duration of 2 month; B has...
- Q Q.3[5 marks]How would faulty suspension unit impact the operation ofthe car .
- Q 3. If you are required to build Wind Turbinefor industrial application, which factors will you consider? Hint:Approach the question through creative thinking.
- Q Food security is among one of the key priority areas for manynations worldwide. Significant climate change resulting from globalwarming such as erratic weather patterns, prolonged draught andflooding present tremendous challenges...
- Q Howcentrifugal impeller is manufactured? Explain step by step.
- Q Question 22.1Â Â Â Â Â Â A brass rod of 25 mm indiameter is enclosed in a steel tube. The tube is 10 mm thick withan outside diameter of 50 mm. The bar and...
- Q Identify five situations in which rotating unbalances can occur?
- Q A diesel engine has an inlet at 100 kPa, 310 K and acompression ratio of 21:1. The combustion releases 1400 kJ/kg. Findthe cycle efficiency and mean effective pressure.
- Q I need summery between (4-10) pages about((A list of twentyregular verbs with base form, past simple and past participle withexamples as complete sentences)) with name of the refrences in endpage
- Q Compare and contrast EDS and XPS techniques in terms of i)working principle and ii) limitations of practical use.
- Q Abrittle material typically exhibits substantial plastic deformationwith high energy absorption before fracture.true or falseFor transgranualar fracture, crack propagation is along thegrains, whereas for intergranular crack propagation is through thegrain boundaries.true...
- Q A CCGT uses natural gas of net calorific value 50.05 MJ/kg asthe fuel is utilised in a gas turbine power plant fitted with aheat recovery steam generator (HRSG) in its...
- Q Q1): Consider the following third-order transferfunction for open loop system: ?(?)?(?) =2\(? + ?. ??)(? + ?. ??)(? + ?. ??)By using the polar plot method, choose the correct answer...
- Q Q1: What is the difference between bar drawing and deepdrawing?  What is the difference between a cutoffoperation and a parting operation? Distinguish between direct andindirect extrusion. Although the workpiece in a...
- Q Q/what is the system component of group technology, with thereference ?Note : please i want the references from(books and scientific articles) not website links,also writing is clear.Thanks
- Q Some car designers at Honda think that the present design ofHonda civic is too sporty and that if the new design is morefamily-friendly, it will sell much more than the...
- Q ThermodynamicWhat is the different between quasiequilibirum and reversibleprocess? Give example?
- Q Explain briefly the term ‘Ergonomics’ and why it is important inthe implementation of Occupational Safety and Health (OSH) at thetypical workplace. Describe the THREE fundamental goals ofErgonomics.
- Q What are the inversions of four bar mechanism &give theirapplications ?What are the inversions of four bar mechanism&give their applications ?
- Q A stopwatch is to be used to estimate the time between the startand end of an event. Event duration might range from severalseconds to 10 minutes. Estimate the probable uncertainty...
- Q The thermal conductivity of an insulating material used over ahot pipe varies as k = 0.0545 (1+ 28.4 × 10–4 T) where T is in °C and k is in...
- Q An air-conditioning system operates at a total pressure of 1 atmand consists of a heating section and an evaporative cooler. Airenters the heating section at 15°C and 55 percent relative...
- Q What does ALARP stand for?Select one:a. As low as reasonably practicableb. As long as risks are preparedc. As low as reasonably possibled. As long as risks are practicalWhat does mechanical...
- Q A 50 inch long belt is used to transmit power from a motor to aworking shaft. The two sheaves involved are both the same size,hence the belt is not being...
- Q Asteam power plant operates on the simple ideal rankine cycle. thesteam enters the turbine at 4 MPa and 500 C and leaves it at 50 kPaand 150 C. the water...
- Q Write a program that calculates the average of a four lab marks.It should use the following functions:• void getMarks() should ask the user for a lab marks, store itin a...
- Q Consider atmospheric air at a velocity of V = 20 m/s and atemperature of T= 20C, in cross flow over 10 mm square tube at 45degrees, maintained at 50C.SketchAssumptionsCalculate the...
- Q 4- In detail using the variables measured in this lab (pulmonaryfunction, respiratory rate, and heart rate), explain potentialphysiological benefits an elite level athlete might gain byexercising at high altitude and...
- Q Solar central tower plants explain each part of system andadvantage , disadvantageplease write it word
- Q cryogenic engineering subject research question.Develop a mathematical model of Claude system drivingpulse tube refrigerator using R507 refrigerant Nd discuss itsimpact on system.....
- Q Describe five different industries use products manufacturedfrom Titanium material. Explain the benefits of Titaniumclearly.
- Q Hi,i want an 5 solved examples for (differential equation influid dynamics )*the exampls (proplems) should be haveordinary differential equation inOperative of the question (It is preferable to be for the...
- Q The circumferential velocities in a free vertex and forcedvortex, respectively, are u = C/r and u = wr, where the radius inmeters, velocity is in m/s, and C is 8...
- Q Exergy efficiency:A) Computess theeffectiveness of a system relative to it performance in reversibleconditionb) OCmpute a measure ofthe power supply to the deviceC) is the maximumtheatrical useful work possible during a...
- Q A test was conducted on a 4-stroke four cylinder engine having6.9 cm diameter and 8.9 cm stroke. The fuel supply to the engine is0.065 kg/min. The B.P measurements are given...
- Q List and explain in details ALL of Traction Lift components withcomplete schematic.(10mrks)
- Q A substance contained in a flexible, well-insulated containerundergoes an expansion process from an initial state with aspecific volume of 10 ft3 /lb and pressure of 12 lbf/in2 to a finalstate...
- Q I need a Literature Reviews With References About ( CNC Shield)Integrated manufacturing projectDesign and Fabrication of Mini CNC Machine
- Q A space is to be maintained at 26°C DB and 50% RH at alocation where the summer design conditions are 35°C DB and 27°CWB. In the system, 30% fresh air...
- Q Elements Key performance indicator (KPI)
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!