Actuators are devices that perform work commanded by a computer.
Answer the following statement true (T) or false (F)
True
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(a) Consider that two infinitely long parallel edge dislocations are viewed on a simple two dimensional x?y diagram, such as Fig. 4.37. This first of these dislocations is located at x = 0, y = 0 and is positive. Its slip plane is horizontal and this contains the x?axis. The other dislocation is negative and also lies in a horizontal slip plane separated from that of the first dislocation by a vertical distance (y) of 10b, where b is the Burgers vector for both dislocations. Now assume the first dislocation is fixed in place, and the second can move parallel to the x?axis. With the aid of a computer, plot ??, the x component of the force (per unit length) between the dislocations, as function of x from x = ?50 nm to x = +50 nm. Let u =86 Gpa, b = 0.248 nm, and v =0.3.
(b) Discuss the significance of the variation of Fx with distance as the mobile dislocation moves from x= - ? to x= +?.
Today, most wheel cylinders are rebuilt, rather than replaced
Indicate whether the statement is true or false
When the direction of oil flow in the stator is the same as that in both the impeller and the turbine, this is known as:
A. rotary flow B. vortex flow C. full stall D. stator lock
If a standard-size modular brick weighs 4? pounds, what is the weight in pounds of three cubes of standard-size modular brick containing 5 banded groups each containing 105 brick?
What will be an ideal response?