At a given temperature and pressure, do you think the mass diffusivity of copper in aluminum will be equal to the mass diffusivity of aluminum in copper? Explain.
What will be an ideal response?
In a binary ideal gas mixture of species A and B, the diffusion coefficient of A in B is equal to the diffusion coefficient of B in A. Therefore, the mass diffusivity of air in water vapor will be equal to the mass diffusivity of water vapor in air since the air and water vapor mixture can be treated as ideal gases.
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Thomas planted 32 acres of peanuts. He made three trips over the field to prepare the field for planting. He averaged a 12-foot-wide strip per trip traveling 4.8 miles per hour using 0.81 gallon of diesel fuel per acre per trip at $3.45 per gallon. What was the cost of the fuel?
What will be an ideal response?
In a common frame roof, the rafters, ridge board, and collar ties are the structural members.
Answer the following statement true (T) or false (F)
Technician A says that the center bolt on a leaf spring can be removed after the spring is installed. Technician B says that individual leaves of a leaf spring often crack before breaking. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following pieces of equipment would be considered advanced test equipment?
A. Digital multimeter (DMM) B. Broadband oscilloscope C. Spectrum analyzer D. RF generator