Mechanical Engineering question and answers for July 15, 2023
- Q how to increase the separation efficiency for flashseparator??what is the effect of diameter and height of flashseparation on its operation??
- Q In a single stage impulse turbine, the nozzles discharge thefluid on to the blades at an angle of 25 o to the plane ofrotation, and the fluid leaves the blades...
- Q A vertical shaft Kaplan turbine operating under a head of 9.8 mhas a runner diameter of 9.3 m. At the maximum optimum point, theturbine runs at 51.7 rpm and develops...
- Q A centrifugal pump has the following characteristic: outerdiameter of impeller 800 mm,width of impeller vanes at outlet 100 mm, angle of impellervanes at outlet 40 o . The impellerruns at...
- Q The quantity of water available for a hydroelectric station is 273 m3/s under a head of 18 m. Assuming the speed of the turbines to be 150 rpm and the...
- Q Most solar-thermal collectors are ‘glazed’ meaning they arecontained within a shallow box with a glass cover to insulate theabsorber from heat loss by convection (e.g. from wind) whileallowing the majority...
- Q What is hardening heat treatments and what is quenching heattreatments with explanations
- Q Give an example of how annealing is used in an engineeringapplication. Also, briefly explain how and why the mechanicalproperties—for a metal—of yield strength, ductility, hardness,Young’s modulus, ultimate tensile strength, and...
- Q What are the advantages and disadvantages of the PI controller,PD controller and PID controller ?PLEASE DO IT IN A COMPUTERADVANCED DYNAMICS AND CONTROL SYSTEMS
- Q What process is similar to powdered metallurgy in ceramicmaterials?
- Q For the following, assume air is an ideal gas with constantspecific heats at 300K. Find the work and heat transfer and statewhether they are into or out of the air.In...
- Q Describe the difference between a point defect and a line defectand the effects on the crystal structure. Give an example andsketch of each of the two types.
- Q Describe the process of interdiffusion. How is this processaffected by temperature and how is it affected by the crystalstructure of the material?
- Q Ona double supported beam with total length of 48†applying 40 lbtotal load on two hangers 6†from each support. If the beam had arectangular shape with 2†width and...
- Q A piston–cylinder assembly contains 2 lb of water, initially at100 lbf/in.2 and 600°F. The water undergoes two processes inseries: a constant-pressure process followed by a constant volumeprocess. At the end...
- Q A long cylindrical rod of 100 mm radius consists of a nuclearmaterial (k = 0.5 W/m-K) generating 24 kW/m3 uniformly throughoutits volume. The rod is enclosed within a tube having...
- Q Write a discussion and conclusion for simple harmonic motion.
- Q Problem 3.030 SI Using the tables for water, determine thespecified property data at the indicated states. (a) At p = 3 bar,v = 0.35 m3/kg, find T in °C and...
- Q A long cylindrical rod of 100 mm radius consists of a nuclearmaterial (k = 0.5 W/m-K) generating 24 kW/m3 uniformly throughoutits volume. The rod is enclosed within a tube having...
- Q To what extent do you think the UK Government should invest inthe development of Greenhouse Gas Removal technologies? Justifyyour answer with reference to the arguments for and against thesetechnologies, mentioning...
- Q Different nations have proposed different responses to climatechange. For example:-The United States has proposed to inject aerosols into thestratosphere as a means of solar radiation management.-China has proposed to implement...
- Q G5. Choose any three of the following:-Milankovitch cycle-Radiative forcing-Ocean acidification-Short-term organic carbon cycle-Chlorine catalytic cycle-Problem shiftingFood-water-energy nexusIn the context of Engineering Design and the NaturalEnvironment, what do you understand by...
- Q The year is 2020 and the Conference of the Parties (COP26) istaking place in Beijing. Nations have finally conceded that it isno longer feasible to limit global temperature rise to...
- Q The UK’s Department of Energy and Climate Change (DECC) has anannual budget of £500 million to spend on national initiatives totackle climate change. This budget may be spent in three...
- Q Outline what you understand by the following terms in thecontext of climate change. Give an example in eachcase.  -Milankovitch cycle-Feedback loop-Radiativeforcing                                                    PLEASE TYPE IT ON COMPUTER
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!