What is soil erosion?
What will be an ideal response?
Soil erosion is the wearing away of the soil by wind or water, causing the loss of topsoil
and the pollution of surface water by the displaced soil.
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One advantage of the ____ starter is the smooth acceleration.
a. autotransformer b. primary resistor-type c. wye- (or star) delta d. part winding
Answer the following statement(s) true (T) or false (F)
A. For a pure component, a cubic equation of state has three molar volume roots. However, for a binary mixture, a cubic equation of state will have four molar volume roots, since the number of components has increased by one. B. If one models the vapor-phase of a mixture as an ideal solution, this means that the mixture fugacity coefficient of component i will be equal to the pure component fugacity of component i at the mixture temperature and pressure. C. The van der Waals one-fluid mixing rule requires that the mixture parameters are the same in both the liquid and vapor phases. D. In modeling vapor-liquid equilibrium using the gamma-phi approach, you can disregard the effect of Poynting correction factor. E. None of the above are true.
A new flexible-fuel vehicle (FFV) is traveling at 75 mph on I-10 in Arizona. The vehicle has a mass of 2 875 lbm. Determine its kinetic energy in kJ.
What will be an ideal response?
These are often referred to as sleeve, journal bearings, or bushings, and their use is based on a sliding action between parts.
a. plain bearings b. rolling element bearings c. thrust bearings d. radial bearings