Contrary to what you might expect, a solid steel ball can float on water due to the
surface te...
Engineering, 24.03.2020 16:01 stgitskaysie9028
Contrary to what you might expect, a solid steel ball can float on water due to the
surface tension effect. Determine the maximum diameter of a steel ball that would
float on water at 20°C. What would your answer be for an aluminum ball? Take the
densities of steel and aluminum balls to be 7800 kg/m3 and 2700 kg/m3,
respectively.
Answers: 3
Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
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Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
Engineering, 04.07.2019 19:20
The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers
Answers: 3
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