What is Type V Portland cement (PC) and where is it used?
What will be an ideal response?
Type V is sulfate-resistant PC. It is used in concrete elements which are exposed to sulfur, such as sewer pipes.
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Motors operate based on the principle of ____________________.
Fill in the blank(s) with the appropriate word(s).
The mixture is not stable and forms two liquid phases. One of the phases as a composition of 10% component 1, while other phase has a composition of 30% of component 1.
Consider the figure that provides the molar Gibbs free energy of mixing as a function of composition for a binary mixture.
If the overall composition of the mixture is 20% of component 1, is the mixture stable? If not, what are estimates of the compositions of the liquid phases that are in equilibrium?
Air is heated from 20ºC to 827ºC. The error in the enthalpy change assuming a constant specific heat Cp:
A) 4.5% B) 5.5% C) 6.5% D) 7.5%
The ____ command is useful when you want your shell program to automatically remove any temporary files that are created when the shell script runs.
A. set B. export C. tput D. trap