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1. Is iced water a pure substance? Why?
A piston cylinder device initially contains 50Litres of liquid at 25oC and 300kPa. Heat is added to the water at constant pressure until the entire liquid is vaporised.
a. What is the mass of the water?
b. What is the final temperature?
c. Deter the total enthalpy change.
d. Show the process on a T- V diagram with respect to saturation lines.
an elastic exercise band is grasped and then is stretched. knowing that the tension in portion de of the band is 70
a metal matrix composite consists of 6061 aluminum alloy that is reinforced with carbon fibers. the fibers are arranged
you have been hired to develop a package transfer slide for a global company. the slide has length l. the slide is to
how much heat is needed to a 0.3m3 rigid volume containing saturated water vapor at 1000 kpa in order for final
According to Equations (20.10) and (20.11), yielding is possible under a state of pure hydrostatic tension, σH. Find that value of σ H according to both equations if the tensile and compressive yield strengths are 80 and 100 MPa, respectively.
Assume that the overall composition is 0.6 wt%C (and 99.4 wt%Fe) and a total weight of 10Kg. At T=727C, how many phases are present and what are their compositions and amounts?
Calculate the density of Al in g/cm3, given that it forms an FCC crystal structure with an atomic radius of 0.143 nm (10-7 cm) and a mass of 27 g/mole. Avogadro’s number is 6.02 x 1023 atoms/mole.
draw the shear and bending-moment diagrams for the beam and loading shown and determine the maximum normal stress due to bending.
Consider an economy with I consumers and L goods, where, for all i, the endowment vector of consumer i is ei , and the utility function of each consumer i is of the form Iui(xi , ) xn), i=1 where xi is the consumption vector of the ith consumer. Assu..
a bar of negligible mass fixed with a tip mass forms part of a machine used to punch holes in a sheet of metal as it
If the maximum allowable stress in the cortical shell is 15 MPa, determine what interference fit between the stem and the cortical shell should be given?
A 0.03-lb bullet traveling at 1300 ft> s strikes the 10-lb wooden block and exits the other side at 50 ft> s as shown. Determine the speed of the block just after the bullet exits the block, and also determine how far the block slides before it..
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