What is step 4 of sketching an irregular shape, as shown in the accompanying figure?
A. Draw the arcs.
B. Lay out the basic rectangles.
C. Draw the center line.
D. Draw the squares.
Answer: D
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In the accompanying figure, how long is distance y? All dimensions are in millimeters. Give your answer to two decimal places.
What will be an ideal response?
Identify the significance of the Border States to both the North and the South. How did they influence the shaping of Union military and political strategy to win the Civil War?
What will be an ideal response?
Following up on the work of the engineer in problem 5.19, another engineer proposes adding several modifications to the steam power plant. He proposes in his design to have the heat be added to the steam at 550oC, the heat still be rejected to cooling water at 20oC, and that 300 MW of power will be produced from a heat input of 400 MW. Is this process possible?
Given: Proposed: TH = 550oC = 823 K; TC = 20oC = 293 K; Q?H=400 MW; W?=300 MW
Ammonia is an immiscible refrigerant, which means it _____
a. is hazardous to the environment b. dissolves easily in oil c. is a drying agent d. does not dissolve in oil