When moving an engine that is hanging from an engine _____, be sure that the engine is lowered as far as possible to keep the center of gravity low.
What will be an ideal response?
Picker
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This problem concerns a compound that has the following physical properties:
Critical Temperature = 1000 K Critical Pressure = 100 bar Vapor pressure at 450 K = 4 bar Molar Volume of saturated liquid at 450 K = 300 cm3/mol Enthalpy of vaporization at 450 K = 15 kJ/mol In the VAPOR and GASEOUS states only, it is described by the equation of state: Z = 1 + BP + CP2 Where B = -0.02 bar-1 and C = 0.0005 bar-2 A) Derive an algebraic (i.e., no differentials or integrals) expression for the fugacity of the compound in the gas/vapor state as a function of temperature, pressure, and known constants. B) Use the Clausius-Clapeyron equation to calculate the vapor pressure of this compound at 500 K. C) List the assumptions made in the derivation of the Clausius-Clapeyron equation and comment on how good or bad they are for the example in part B. D) Give your best estimate of the fugacity of this compound in the LIQUID phase at T=500 K and P=50 bar. You may assume your answer to part B is a correct vapor pressure, even if in part C you expressed reservations about its accuracy.
Select fill is _____.
a. special fill material with specific properties b. any fill selected by the project engineer c. fill collected from clearing and grubbing d. a mixture of water, gravel, and sand
How is the tubing used in ground source systems joined?
What will be an ideal response?
An insurance company appraiser deems a collision repair center customer’s vehicle to be a “constructive total loss.” By this, the insurer means the:
A. Vehicle’s construction was faulty to begin with. B. Repairer could never restore the vehicle to a safe operating condition. C. OEM parts needed are no longer manufactured. D. ACV of the vehicle, less the salvage value, is exceeded by the cost to repair it.