Mechanical Engineering question and answers for August 06, 2023
- Q Determine the heat transfer rate per unit width for a 0.9-m longplate with a surface temperature of 125°C for critical Reynoldsnumbers corresponding to (A) 105,(B) 5 x 105, and (C)106....
- Q Hammering and shaping a hot steel block on an anvil is anexample of: a) Open-die forging. b) Closed-die forging. c)Flashless forging. d) Impression die forging.Resistance spot welding can be used...
- Q Describe your plan or countermeasures, regarding to developing aCost Estimating Relationship, as an engineer in controlling theeffects/impacts given by the following items from the perspectiveof Engineering Economics- Direct labor hours-....
- Q Determine the horizontal and vertical components of reaction at the pin C. Also, what are the reactions at supports A and F?
- Q Write the Bit configuration of PSW( The Program Status Word). Â
- Q please select anypart of the structure in practical life and dothe FEM and nodal analysis on this and find the forces on thenodes, displacements, and reactions.The subject is Finite Element...
- Q Write about importance, environmental aspects, Thecurrent status and future projections for hydropower?
- Q 23. Lis any three defects associated with fusion welding, anddescribe them briefly.24. Draw a sketch of weld section, and label three zones; namely:base metal, weld metal and heat affected zone.25....
- Q Flow enters a heated duct at v1 = 2000 m/s, T1 = 300 K, and q =5 x 105 J/kg. Find Mach1 and Mach2 for He, Ne, Ar, Kr, and...
- Q Q1/ Multi Choices (25 Degrees)1-one of the Advantages of Maintenance in power plant .A. Greater safety for workers.B. To increase efficiencyC. To increase repair costD. To increase power2- Used to...
- Q C. Clearly indicate the plate number and indexingmovements to be made to divide the periphery of a work piece into29 divisions using compound Indexing? The following indexing platesare available. Plate...
- Q A refrigeration system contains an adiabatic compressor withRefrigerant-134a as working fluid. Inlet conditions (state 1) are140 kPa and -100C and the exit state is 1.6 MPa and 800C (state 2).The...
- Q A car traveling at 45 m/s can brake to a stop within 10m. Assumethat the braking force is effective for stop and constant withspeed. If the car speeds up to...
- Q A thin-walled tube with a diameter of 6 mm and length of 20 m isused to carry exhaust gas from a smoke stack to the laboratory in anearby building for...
- Q Can you write essay with 300-450 words related to thesekeywords?1-Drag force 2- Lift force 3- Omnidirectional 4- Pitch control5- Stall control 6- Yaw motor
- Q Soil collected from the site is found to have γt=18.5kN/m3,w%=8.6%\">γt=18.5kN/m3,w%=8.6%γt=18.5kN/m3,w%=8.6%, and Gs=2.67\">Gs=2.67Gs=2.67. After a heavy rainfall overnight, 10%\">10%10% increase in the degree of saturation Sr\">SrSr was observed. Determine: a. the degree of saturation Sr\">SrSr of the soil before...
- Q An organic soil, the void ratio e is found to be 10.0 and GS is .2.35 If this soil is fully saturated, find:a. Unit weight of the soilb. water conten...
- Q electronic psychrometric plotting program, let’s consideratmospheric conditions at sea level with a dry bulb temperature(Tdry bulb ) of 23˚C and a relative humidity (RH) of 30%. Plot thisstate point on...
- Q What is meant by the mechanical and thermal efficiency of a car?Demonstrate if both of these would be100% in an ideal scenario?
- Q 4-) In the ideal Otto cycle, the highest temperature of thecycle is 950 ° C, the compression ratio is 9. The pressure of theair at the beginning of the compression...
- Q write a Fortran 77 language code for vapour absorptionair source water heat pump producing 70k temperature
- Q Cold water inside / outside diameter in the same axis two pipeheat exchanger used as engine oil coolerIt enters the 25/30 mm steel pipe at a temperature of 15 degrees...
- Q which sensor can find and fix the problem when the engine runserratically and how do I know if it is good or not? Also, thecomponents in the engine how do...
- Q Consider a system in any suitable reference plan for which theGeneralized forces Qj transformed to Fr, rFθ and what will be thetotal Kinetic energy for that system.
- Q What is the function of the diode on the compressor relay?how does the blower motor resister pack work?what is the photodiode used for?
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