A 6 15/16” long piece is cut from the piece of steel angle iron illustrated. If there is 1/8” of waste caused by the kerf of the oxy-acetylene cutting process, what is the length of the remaining piece of angle iron?
Reduce all fractions to their simplest forms. Convert all improper fractions to mixed numbers. Provide answers in the following format:
Fraction: 3/4
Mixed number: 1 5/8
ANS: 9 7/16
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Which of the following meshes is fabricated from a single sheet of metal?
a. Hex mesh b. Lattice mesh c. Metal fiber mesh d. Expanded metal mesh
As much as ____ can be added to the argon to increase the power in the arc without affecting the desirable qualities of the spray mode.
A. 10% oxygen B. 20% nitrogen C. 50% carbon dioxide D. 80% helium
In a conventional gas furnace, the hot flue gases are ____.
A. forced out a PVC vent with a blower B. recycled through a secondary heat exchanger and then vented through a draft diverter C. forced through a type B vent by a blower D. vented by natural convection
The switch in the circuit of Fig. 8.88 is moved from position a to b at t = 0. Assume that the voltage across the capacitor is equal to zero at t = 0 and that the switch is a make before break switch. Determine i(t) for t > 0.
 FIGURE 1.png)