The main limitation of flux cored arc welding is that ____.
A. the molten weld pool is difficult to control
B. visibility is impaired by the shielding gas nozzle
C. it is confined to ferrous metals and nickel-based alloys
D. high deposition rates are not possible
Answer: C
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Explain how construction causes the danger of erosion to increase in a given location?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. The mixed cell reference could be done in one of two ways: (1) You can keep the column as absolute (unchanged) and have a relative row, or (2) you can keep the row as absolute and have a relative column. 2. The Excel functions are grouped into various categories, including mathematical and trigonometric, engineering, statistical, financial, and logical functions. 3. The Excel function =sin(A1) will calculate the sine of the value in cell A1. The value in cell A1 must be in degrees. 4. A simple way to learn about the VBA’s object-oriented commands and syntax is by using the Record Macro option.
The inductive reactance in an AC circuit is ____ proportional to the applied voltage and ____ proportional to the current.
A. directly, inversely B. inversely, directly C. directly, directly D. inversely, inversely
For the circuit of Figure P3.19, write the mesh equations in matrix form. Notice the form of the [R] and [V] matrices in [R] [I ] = [V], where
Write the matrix form of the mesh equations again by using the following formulas:
rii = resistances around loop i
ri j = ? resistances shared by loops i and j
Vi = source voltages around loop i
