What are soil horizons?
What will be an ideal response?
Soil forms in layers. These layers lie parallel to the surface of the Earth. As layers are
added, they begin to take on different characteristics. These layers are called soil
horizons.
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Water is contained in a cylinder at 120ºC and 200 kPa. It is:
A) A liquid B) A mixture of vapor and liquid C) A subcooled gas D) Superheated vapor
An adiabatic turbine operates at steady state. Entering the turbine is 200 kg/min of steam at T=250 ?C and P=10 bar. The exiting stream is at P=0.4 bar and consists of 90% vapor and 10% liquid.
A) Find the rate at which work is produced by the turbine. B) Find the rate at which entropy is generated in the turbine.
Determine the hexagonal close?packed lattice directions of the lines rt, ut, and uv in the figure for this problem. To do this, first determine the vector projection of a line in the basal plane and then add it to the c axis projection of the line. Note that the direction indices of the c axis are [0001], and that if [0001] is considered a vector its magnitude will equal the height of the unit cell. A unit distance along a diagonal axis of Type I, such as the distance or, equals one third of the length of [2110] in Fig. 1.20. The magnitude of this unit is thus equal to 1/3 [2110]. Combine these two quantities to obtain the direction indices of each of the lines.
Narcotics detection dogs utilize their highly sensitive sense of smell to locate the source of odors of various narcotics
A. True B. False