What should be used to mark the start point before drilling a hole in steel?
A. diamond point chisel
B. pin punch
C. center punch
D. aligning punch
Answer: C
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What software will enable designers and clients to visually walk through a project, designing as they go, before work starts?
a. AutoCAD c. LANDCAD b. virtual reality d. GIS
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Determine the signal f(t) whose Fourier transform is shown in Fig. 18.38. (Hint: Use the duality property.)
 figure 1.png)
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Oil viscosity refers to which of these?
A) The size of the oil container B) Whether the oil is for gas or diesel engines C) The color of the oil D) The thickness of the oil
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A mechanical engineer's scale is commonly used when drawings are in:
A. fractional or decimal inches B. fractional or decimal inches C. miles D. all of the above
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