What does the Sherwood number represent?
What will be an ideal response?
The Sherwood number is a dimensionless parameter for predicting the
convective diffusion. It is analogous to the Nusselt number for predicting
convective heat transfer. It can be visualized as the ratio of the convective mass
transfer or diffusion to the diffusivity or force of diffusion.
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Significant Figures: A train travels at a constant speed of 60.4 mi/h for 101.5 min. What distance does the train cover expressed to the correct number of significant figures?
A. 100 mi B. 102 mi C. 102.2 mi D. 102.18 mi E. 102.181 mi
What kind of geometry does this surface have?
A) saddle-shaped geometry B) spherical geometry C) flat geometry D) spacetime geometry
A car starts out when the air temperature is 288 K. The air pressure in the tires is 500 kPa. After driving a while, the temperature of the air in the tires increases to 298 K
What is the pressure in the tires at that point, assuming the volume remains constant? A) 129 kPa B) 483 kPa C) 507 kPa D) 517 kPa E) 532 kPa
Optics of the Eye: The closest object that a typical young person with normal vision can focus on clearly is closest to
A. 1 cm. B. 10 cm. C. 25 cm. D. 50 cm. E. 75 cm.