From a 3D viewing point, a circle appears to be an ellipse. Under what conditions can a circle appear completely round?
a. When it is parallel to the XY plane
b. When it is created using the Ttr (tan tan radius) option
c. When it is located on a plane parallel to the viewing plane
d. All of the above
C
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Develop an expression for the environmental lapse rate in relation to M, g, R, and ?.
What will be an ideal response?
The environmental lapse rate dT/dz characterizes the local variation of temperature with elevation in the earth’s atmosphere. Atmospheric pressure varies with elevation according to the hydrostatic formula,
where M is molar mass, ? is molar density, and g is the local acceleration of gravity. Assume that the atmosphere is an ideal gas, with T related to P by the polytropic formula:
List the potential hazards of using the wrong hose for the task.
What will be an ideal response?
The document listing the types and dimensions of materials needed for a job is called the _____.
a. punch list b. specifications c. inventory list d. materials requisition
African Americans did all of the following during World War II EXCEPT
A. fight in integrated combat units. B. rally behind the slogan "Double V" (victory over dictators abroad and racism at home). C. move north and west in large numbers. D. form a militant organization called the Congress of Racial Equality. E. serve in the Army Air Corps.