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a) Two thermal reservoirs are placed in contact with each other. Prove from the increase of entropy principle that heat transfer will be in the direction of high temperature to low temperature.
b) Prove using the increse in entropy principle that the maximum thermal efficiency for any heat engine is the Carnot efficiency.
c) Using the Tds equations to show that the polytropic exponent of an ideal gas undergoing an isentropic process is k( the ratio of specific heats).
What are the possible outcomes of this scenario?
measurements of drag force are made on a model automobile in a towing tank filled with fresh water. the model length is
air at 80f and standard atmospheric pressure flows through a furnace filter with an average velocity of 2.4 fts. the
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
brass balls each of mass 0.258 kg and initially at 130degc are quenched in a water bath at 50degc for 2 minutes at a
describe on your own words the three strengthen mechanism for metals i.e. grain size reduction solid solution
One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30?, with a possible error of 1?.
a long aluminum bar has a diameter of 11 cm and is initially uniform in temperature at 300 c. if it suddenly exposed to
the following data were observed in a step response experiment of a thermometer is under a step input from 0 degress c
What will be the length of the specimen after the load is removed? d) The specimen was reloaded until fracture. If the % reduction in area after fracture was 40%, what is the minimum diameter of the specimen at fracture?
Calculating electrical power from a geothermal Resource, A geothermal well is producing 9000kg/second from a hot water basin at 200 ºC [enthalpy of 800 KJ/Kg].
Prove that the transformation Q1 = q12 Q2 = q2 sec p2 p cos p2 - 2q2 P= 1 P2 = sin p2 - 2q1 1 2q1 cos p2 is canonical, by any method you choose . Find a suitable generating function that will lead to this transformation.
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