PROBLEM 4: Determine the centroidal coordinates ( x-bar and y-bar) of the composite area shown in millimeters. Note: DRAW OR ILLUSTRATE THE SUB-AREAS AND INDICATE THE CENTROID OF EACH SUB-AREA BEFORE ANY NUMERICAL SOLUTIONS. 30 mm 40 mm 50 mm 60 mm -100 mm

How many auxiliary views of the print?

Hello ! I hope you are well.Why are we taking this specific cross section for the second part of the question ? Is it because it's the one where the nails are ?

3d

2) A washer is going to be manufactured by cutting operation out of 2024ST aluminum alloy sheet that has a thickness of 2.5 mm. The outside diameter of the washer is 25.0 mm, and the inside diameter is 12.0 mm. Make a rough sketch, define the geometries to be used and determine a. The punch and die size for the blanking operation b. The punch and die size for the punching operation c. The force required performing the blanking and punching operation simultaneously. The aluminum has a tensile strength = 300 MPa.

It is a good practice to include an isometric view without hidden lines as one of the views in your drawing. True? A. Good practice, same scale as principal views B. Good practice; scales can be modified C. Good practice, bust most use hidden lines D. No, isometric view should not be needed or included     ANSI standards dictate the style, dimensions and arrangement of engineering working drawing layouts: A. Yes, they must be followed to ensure…… B. No companies are expected to adhere to the standards but have the latitude to the customize according to individual needs.