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The use of Agent Orange defoliants in Vietnam has only recently been officially recognized by the United States as a health hazard as former U.S. soldiers began to show symptoms of ill effects, long after scientists warned of its effects on farmers and their animals in the war zones of Vietnam. When, if ever, does a war justify exposing soldiers and noncombatants to substances that can affect humans in ways that can have long term effects?
the shaft is made of a992 steel with the allowable shear stress of tauallow 75 mpa. if gear b supplies 15 kw of power
chilled water enters a thin shelled 4 cm diameter 200 m long pipe at 7 deg. celsius at a rate of 0.98 kgsec and leaves
Consider conditions for which there is a uniform heat transfer rate per unit length, qi'= 1.25 X 105 W/m, from the exhaust gases to the pipe inner surface, while air flows through the annular passage at a rate of m· a = 2.1 kg/s.
Evaluate the values of ultimate tensile strength, yield strength, percent elongation, fractural strain, and Young's Modulus of the selected metals of aluminum when subjected to uniaxial tensile loading.
a rigid insulated cylinder is divided into two parts by a non-insulated frictionless piston which is initially held a
Consider fully developed axisymmetric Poiseuille flow-flow in a round pipe of radius R (diameter D = 2R),with a forced pressure gradient dP/dx driving the flow
a pison-cylinder contains 0.8 kg of steam of 300oc and 1 mpa. the steam is cooled at constant pressure until one-half
a well-insulated heat exchanger is used to heat water cp 4.18 kjkgk from 300 k to 90degc with a mass flow rate of 3
Materials science engineering deals with materials and encompasses an incredible diversity of topics and problems were constituting the four elements of the field (i.e. processing, structure, properties, and performance). In which scenario could a ma..
how condenser can increase the power developed? and what is back pressure how it will effect the plant efficiency and
consider a plate with uniform heat generation q. for k200 wmk q40 mwm3. t1160 c at x0 t2100 c at x2l and a plate
refrigerant 134a is the working fluid in a solar power plant operating on an ideal rankine cycle. saturated vapor x11.0
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