The amount of whole-house and ____ leakage is a major factor in determining the efficiency of a house.
A. window
B. vent
C. duct
D. fan
Answer: C
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Follow the steps of the Systematic Approach of Section 14.4—that is, (1) identify the system, (2) determine whether the process is batch or rate, (3) construct a schematic diagram with inputs and outputs, (4) Label known material quantities or rates of flow and so on. Two liquids, A and B, are mixed together. A is 3.0 percent solids, the remainder water. B is 8.0 percent solids, the remainder water. An amount S of pure, dry solids is mixed with A and B to form 2.0(102) kg of a mixture with 5.0 percent solids. Develop a table of combinations of amounts of A, B, and S that will satisfy the final mixture requirements. What is the maximum amount of B that can be used to meet the requirements without having to remove pure, dry solids from the mixture? Hint: Write a short computer program
or use a spreadsheet and start with B = 0 and increase in increments of 2 kg. What will be an ideal response?
Information that might be indicated in the tail includes:
A) Process B) Notes C) Specifications D) All of the above
What is Vout of a 4-bit R/2R Ladder DAC if the binary input is 1001 when the reference voltage is 4 V, R is 10 k?, and Rf is 16 k??
A) 2.4 V B) 4.8 V C) 4 V D) 3.6 V
Carry the answer to five decimal places. Express the diameter of a 
-inch twist drill as a decimal.
Fill in the blank(s) with the appropriate word(s).