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1. Write down the Gibbs phase rule, assuming temperature and pressure are allowed to change. Explain clearly the meaning of each term.
2. (a) What is a phase diagram?
(b) Explain why the P-T diagram for H2O is considered to be a unary diagram.
3. What is a solid solution?
jus before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
calculate the work required to compress air from standard atmosphereic pressure to 2.3 atm in kjkg air.a. assume a
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give a proposed design and analysisnbspprincipal features and working principle of any mechanisms using diagrams to
an alluminum ball 0.5 cm in diameter initially at 250 c is dropped into a large tank of fluid with tsat100 c which is
a shaft with a diameter of 100 mm rotates at 1500 rpm. a fluid-film bearing is designed to support a 5 kn load. assume
the velocity distribution over the surface of a sphere upstream of a separation point u1.5 usintheta where u is the
A heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70,000 kJ/h to maintain a building at 20C on a day when the outside temperature is -5C. If electricity costs 8.5 cents per kW*h
refrigerant r-134a flows through a refigeration system at a rate of 0.12 kgs . at the entrance to the adiabatic
Consider a 1000-W iron whose base plate is made of .5 cm thick aluminium alloy 2024-T6 (p = 2270 kg/m^3, cp= 875 J/kg*K, alpha = 7.3 x 10 ^-5 m^2/s). The base plate has a surface area of .03 m^2.
what is the angle at which diffraction occurs in au from 101 using incident radiation with a wavelength of 1.54 adeg.
Identify the part of the molecule responsible for the absorbance at this wavelength.
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