After watching The Great Elephant Census, apply your knowledge by answering prompts A - C.
A. In transect D, Area is _ and Density is _. In transect K, Area is _ and Density is
B. In total, average density is _.
C. Two reasons that explain the wide ran
Fabrice M. (2013) Long-term determinants of the demographic transition, 1870 2000 (Pg. 113) President, and Fellows of Harvard College and the Massachusetts Institute of Technology
Fabrice Murtin gathers studies and gathers statistics: about long-term econ
Cellular Respiration in
By: Prisilla Granados, Saige Cade,
Keria Kindle, and Elizabeth Kim
Cellular respiration is a metabolic process, resulting in the creation of ATP and other byproducts. There are 3 main parts of th
Editor of Pennsylvania magazine, Thomas Paine, in his pamphlet, Common Sense, claims that
Americans should break away from Englands Feudalism. He supports his claim by first using
simple emotions, emphasized diction, and religious references to inform Ame
The refugees moving to America are the citizens of Syria who are fleeing from the terrorist group
known as ISIS. The factors taken into consideration about the relocation of refugees in Houston
were resources like space and water. The final resettlement l
Gloss over the article provided (Ethanol Article 1) and answer the following Questions with
your PBL group:
1) What is the overall purpose of this article?
The overall purpose of this article is to inform readers of the authors research
The outlined goal in the following procedures is to make sure the
patient remains in homeostasis until proper care is administered.
All information provided is based off of I.V. Fluids: What nurses need to know
by Ann Crawford, PhD, RN, and Helene Harris,
KNOWN: Steady-state temperature distribution of convex shape for material with k = ko(1 +
T) where is a constant and the mid-point temperature is To higher than expected for a
linear temperature distribution.
FIND: Relationship to evaluate in
KNOWN: Temperatures and convection coefficients associated with fluids at inner and outer
surfaces of a composite wall. Contact resistance, dimensions, and thermal conductivities
associated with wall materials.
FIND: (a) Rate of heat transfer
KNOWN: Volume fraction of air in stone mix concrete, forming a lightweight aggregate concrete.
FIND: Values of the lightweight aggregates thermal conductivity, density and specific heat.
Stone mix concrete
KNOWN: Electric current and resistance of wire. Wire diameter and emissivity. Thickness,
emissivity and thermal conductivity of coating. Temperature of ambient air and surroundings.
Expression for heat transfer coefficient at surface of the w
KNOWN: Diameter of electrical wire. Thickness and thermal conductivity of rubberized sheath.
Contact resistance between sheath and wire. Convection coefficient and ambient air temperature.
Maximum allowable sheath temperature.
FIND: Maximum a
KNOWN: Temperature and volume of hot water heater. Nature of heater insulating material. Ambient
air temperature and convection coefficient. Unit cost of electric power.
FIND: Heater dimensions and insulation thickness for which annual cost o
KNOWN: Inner and outer radii of a tube wall which is heated electrically at its outer surface. Inner and
outer wall temperatures. Temperature of fluid adjoining outer wall.
FIND: Effect of wall thermal conductivity, thermal contact resistance
KNOWN: Construction and dimensions of a device to measure the temperature of a surface.
Ambient and sensing temperatures, and thermal resistance between the sensing element and the
FIND: (a) Thermal resistance between the surface
KNOWN: Dimensions of components of a pipe-in-pipe device. Thermal conductivity of materials,
inner and outer heat transfer coefficients, outer fluid temperature.
FIND: (a) Maximum crude oil temperature to not exceed allowable service temperat
KNOWN: Dimensions and temperature of a canister containing a solid oxide fuel cell.
Surroundings and ambient temperature.
FIND: (a) Required insulation thickness to keep the equivalent blackbody temperature below 305
K, (b) Canister surface t
KNOWN: Operating conditions, measured temperatures and heat input, and theoretical thermal
conductivity of a carbon nanotube.
FIND: (a) Thermal contact resistance between the carbon nanotube and the heating and sensing
islands, (b) Fraction o
KNOWN: Outer and inner surface convection conditions associated with zirconia-coated, Inconel
turbine blade. Thicknesses, thermal conductivities, and interfacial resistance of the blade materials.
Maximum allowable temperature of Inconel.
KNOWN: Materials and dimensions of a composite wall separating a combustion gas from a
FIND: (a) Heat loss per unit area, and (b) Temperature distribution.
ASSUMPTIONS: (1) One-dimensional heat transfer, (2) Steady-