Mechanical Engineering question and answers for August 01, 2023
- Q List a number of appropriate pictorial techniques that could beused to represent an engineering component
- Q A 35-kg box of beef at 6 C having a water content of 60% is tobe frozen to a temperature of -20 C in 3 h. Determine:a) the total amount...
- Q When a fuze ( note this spelling) of some sort is ignited itwill burn or deflegrate ( be sure you know the difference) In somecases when then the chemical composition...
- Q An Internet service provider has three different subscriptionpackages for its customers:Package A: $9.95 per month 10 hours of access areprovided.  Additional hours are $2.00 per hour.Package B: $14.95 per month...
- Q Find the design cooling and heating loads of UC 1017. ConsiderUC 1017 is a detached room. You are free to assume any valuesreasonably for the calculation. Consult different charts, tablesand...
- Q Address the following questions related to heat exchangereffectiveness. Recall that the maximum heat transfer possible isthe product of the minimum heat capacity (mass flow rate timesspecific heat) times the difference...
- Q 11.4 What are the basic requirements that a trainee must satisfyin order to get the most out of training?
- Q 11.2Â Â Â What are the advantages that atrainee receives from training?
- Q The velocity of a particle traveling in a linear path is knownto be:Â Â v = ( s ^ 2 )/ 2000 + ( s ^ 4 )/ 2100 where vand...
- Q 1. An aluminum air-cooled engine cylinder head for asingle cylinder, 2-stroke engine is tobe die-cast. The overall diameter of the cylinder headis 101.6 mm. If the projectedplan area of the...
- Q A high-school classroom is occupied by 20 students who eachproduce 180 Btu/h (53 W) of sensible heat and 0.20 lb/h (0.09 kg/h)of moisture. The class is to be maintained at...
- Q A high-school classroom is occupied by 20 students who eachproduce 180 Btu/h (53 W) of sensible heat and 0.20 lb/h (0.09 kg/h)of moisture. The class is to be maintained at...
- Q A pot with boiling water at 100 C, if the handle is 3 mm thick,22 mm wide, 300 mm long and exposed tp 19 C temp, h= 5 w/m2 c.What...
- Q 6.It is proposed to study the entry of an aircraft launchedtorpedo into seawater. The full-size prototype torpedo is 2.44 m inlength and enters at 100 m/s into seawater which has...
- Q Using the method of characteristics, compute and graph to scale,the contour (using solid lines)and the characteristics (using dashed lines) of a two-dimensionalminimum-length nozzle for theexpansion of air to a design...
- Q You are to make a bowling ball out of 2024-0 by forging in animpression die with flash. What force (tons) is needed? What willbe the weight of the finished bowling...
- Q Explain how propeller synchronization system works and also howthe Synchrophasing system works. What are the benefits?
- Q Assignment:        Analyse and evaluate a faulty Mass Air Flow sensor.1.        You will choosea vehicle with a MAF sensor that was produced after 1998.2.        You must saywhat the fault is that has...
- Q A single-screw polymer extruder can be thought of as a pump anda heating device for plastic pellets. A certain extrusion setup hasthe following characteristics:• Polymer: Polyethylene with density 0.95 g/cm3,...
- Q When do we apply Kutta condition? (hint: inviscid/viscous?)
- Q An experimental arrangement for measuring the thermalconductivity of solid materials involves the use of two long rodsthat are equivalent in every respect, except that one is fabricatedfrom a standard material...
- Q Liquid water at 15 ℃ is heated by mixing it with saturated steamat the same pressure. Liquid water enters a chamber at a rate of4.3 kg/s and saturated steam enters...
- Q Calculate the theoretical A/F ratio for the complete combustionof propane (C3H8) on mole basis and mass basis. Also, calculate theequivalence ratio for the following reaction:C3H8 + 7O2 + 26.32N2 →...
- Q 4.65 A system consisting of 5 kg of air is initially at 300 kPaand 20 degrees C. Determine the heat transfer necessary to (a)increase the volume by a factor of...
- Q What does it mean if my Back Work Ratio is 1?
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