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The performance of a device is defined as the ratio of the desired output to the required input, and this definition can be extended to nontechnical fields. For example, your performance in this course can be viewed as the grade you earn relative to the effort you put in. If you have been investing a lot of time in this course and your grades do not reflect it, you are performing poorly. In that case, perhaps you should try to find out the underlying couse and how to correct the problem. Give three other definitions of performance from nontechnical fields and discuss them.
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
for certain liquid mu 6 times 10-5 lb.sft2 at 50 degree f and mu 1.5 times 10-5lb.sft2 at 180 degree f. make use of
a spring-mass is excited by a force f0sinomegat. at resonance the amplitude is measured to be 0.58 cm. at 0.80 resonant
a stress gauge located at c on the surface of the bone ab indicates that the average normal stress in the bone is 3.80
steam at 10 psia with a quality of 0.90 enters an adiabatic steady-flow compressor at a rate of 50 lbms. the steam
a bike rider has a frontal area of 0.4 m2 and a drag coefficient cd of 0.9. if he is pedaling at 80 rpm. what average
Determine a) the volume of the tank,b)the final temperature and pressure, and c) the internal energychange of the water.
water is the working fluid in an ideal rankine cycle. the condenser pressure is 6 kpa and saturated vapor enters the
modern automotive paint plants use water-bornefinishes to minimize the emission of volatile organiccompounds vocs from
the 30 mg aircraft is climbing at the angle theta15 with a thrust t of 180 kn. at the instant shown its speed is 300
cu and ni form a substitutional solid solution. this means that the crystal structure of a cu-ni alloy consists of ni
an air conditioning unit with refirigerant-134a as the working fluid is used to keep a room at 26 degrees celcius by
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