A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.
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A steep slope on a phase change graph indicates a rapid change in temperature with respect to the amount of heat added or removed from a substance. During a phase change, such as melting or boiling, the temperature remains constant while the substance transitions between states of matter. The steep slope represents the energy required to overcome the intermolecular forces holding the particles together in a particular state.
There are five primary types of graphs, with variations on them:- 1) Line diagram - in various styles with or without smoothing. 2) Bar - as Simple bar, Multiple bar, Sub-divided and Duo-directional or Bi-lateral diagrams. 3) Circular or pie diagram. 4) Polar graph (amplitude v. angle; not the same as the Pie chart above) 5) Column graph (like the bar charts but with vertical instead of horizontal stripes) Microsoft also went through a phase of inventing some very odd, other types of "chart" (to use its word) but these were of little or no mathematical value, and seemed primarily for sales presentations and the like.
amplitude=1 period=2 pi phase shift=0 vertical translation=pi/4 it will start at (0,1) on the y-axis and cross through pi on the x-axis, then the min will be in the middle of pi and 2 pi at -1. there will be one complete wave to 2 pi on your graph (one curve on top and one on bottom of the x-axis), but then you need to shift it to the left, so that the graph will start at (0,-1).
I saw on another site that what you do when you get that error, is to change the position of the feed dogs and change them back again. Then rotate the wheel. It works!
1TR = 3.5KW in Single phase and 1.2KW in 3-phase