Mechanical Engineering question and answers for July 22, 2023
- Q This is problem 7-12 from El-Wakil’s Powerplant Technology book-- it is desired to compare the effect of two types of dry coolingtower systems on powerplant performance. The towers are of...
- Q We would like to have a simple model to describe how temperaturechanges with time in your classroom during lecture in a typical dayin Fall and Spring. You can consider two...
- Q This is problem 6-12 from El-Wakil’s Powerplant Technology book-- a condensing only feedwater heater uses 7/8-in-OD 90-10copper-nickel tubes. It receives 84,000 lbm/h of 95percent quality bled steam at 20 psia,...
- Q Calculate the forging force for a solid, cylindrical workpiecemade of annealed 1020 steel that is 3.5 in. high and 5 in. indiameter and is to be reduced in height by...
- Q What is a sensor? Explain the various types.
- Q Discuss the following types of AGVs and their applications: 2.1towing machines 2.2 unit load transporters 2.3 pallet trucks 2.4fork lift trucks 2.5 assembly line vehicles
- Q An FMS consists of three stations plus a load/unload station.Station 1 loads and unloads parts using two servers (materialhandling workers). Station 2 performs horizontal milling operationswith two servers (identical CNC...
- Q Â a) Assume that you have two AISI 1045 cylindrical samples with two different diameters: one 1 in. thick and the other 2 in. thick. You astenitize and quench both samples...
- Q At mechanics of metal cutting,I cannot understand the reason why the shear angle is smallerwhen the cutting speed is slow.can you explain this to me?
- Q STAR CCM+Can someone please explain in your own words the \"law of wall \"for turbulent flow 3D.what is wall Y+ value.
- Q Precision Machining Technology (2nd Edition)Chapter 8SU8, Problem 6RQWhy should a toolpath be verified on the screen of a CAM systemprior to creating the program code?Thanks!
- Q Ship accident due to loss of resilience.Find the Cases of accidents, causes of accidents, andsolutions.
- Q A rigid tank of volume 0.63 m3 initially has some air inside at0.5 bar and 300 K. A hole develops in the wall, and air from thesurroundings at 1 bar,...
- Q What is an autoclave and why would you use one?
- Q 1) What are the differences between the wet lay-up approach andthe prepreg approach in hand lay-up? Include both processdifferences and differences in the final product. Make a list.• Differences  • Similarities
- Q 3) Sketch a vacuum bag setup (label all the layers). Explainwhat benefits are gained by vacuum bagging.
- Q Use superposition to solve for applied stresses on a cantileverbeam
- Q Soybean oil at 30 degress Celsius is to be pumped from an openvat through 60 m of standard galvanized iron pipe (internaldiameter of 9 cm) into the top of a...
- Q Consider a light, single-engine, propeller-driven, privateairplane, approximately modeled after the Cessna T-41A. Thecharacteristics of the airplane are as follows: wingspan = 35.8 ft,wing area = 174 ft2, normal gross weight...
- Q 5a--Pump cavitation can cause impeller problems. With spectradescribe how you would detect it usingvibration analysis. Be sure to include both low and high frequencyindications.5b-Why oil analysis may be required when...
- Q Mat Lab QuestionMat Lab Question:%% Q1 (60%)% Follow the steps below to complete this question.%% Step 1: (40%)% Create a function to perform calculations: +, -, *, or /% 1.1...
- Q Dry, compressed air atTm,i = 85°C, p = 20 atm, with a massflow rate of m?? = 0.005kg/s, enters a 30-mm- diameter,5-m-long tube whose surface is at Ts = 25°C.Determine...
- Q PD control1. The equation of motion for the DC motor are given by theequation:J ¨?m + (B + KbKT Ra ) ? ?m = KT Ra Va (2)where: J =...
- Q Discuss the meaning/importance in 2-3 sentences per term:(1) Beach or clamshell marks; (2) Chevron pattern; (3) Creep;(4) Endurance limit; (5) Factor of safety; (6) Fatigue life; (7)Fatigue strength; (8) Fracture...
- Q 1-What are the three configuration types of stereoisomers?Sketch portions of a linear polymer molecule that clearly showseach of those three types.2-What are the two types of geometric isomers? Sketch structuresfor...
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