Concrete normally attains its design strength in about _____.
a. 14 days
b. 21 days
c. 28 days
d. 30 days
c. 28 days
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Answer the following statement(s) true (T) or false (F)
A. The natural logarithm of the activity coefficient of component i in a mixture is a partial molar property of the excess molar Gibbs free energy, divided by RT. B. The “A” parameter in the 1-parameter Margules equation is related to the differences between the “like” interactions in a system and “unlike” interactions in a system. C. The infinite dilution activity coefficients from the 1-parameter Margules equation are equal to the “A” parameter of the model. D. The 1-parameter Margules equation is a quadratic function of the composition of the system. E. None of the above are false.
The step-by-step procedures for assembling a pre-engineered building are found in the _____.
a. base plate drawings b. erection manual c. detail prints d. site drawings
What is your total gross profit for the week?
What will be an ideal response?
When a thermal storage system is discharging
A) Cooling needs are being met by the thermal storage system and not the refrigeration system B) The refrigeration system is extracting heat from the storage vessel C) Refrigerant is being removed from the cooling loop inside the storage vessel D) The storage vessel is being drained of water