Hello, sorry, I need an answer within 30 to 20 minutes, please

1- What are the parts not usually sectioned? (1 point) 2- Give the shape identification symbols for the following i. Diameter ii. Radius 111. Square iv. Spherical radius (2 point) 3- Gave the surface roughness symbol for i 1 Show how the roughness is indicated for a Surface to be coated, obtained by any method with N6 showing max, and min roughness. ii. Surface to be obtained without removal of material when directions of lay Crossed in two slant directions relative to the plane of projection of the view in which the symbol is used. (3 point) 4. When a number of machines are operated from a single power source, each one is provided with a pulley arrangement. (1 point) 5- For a transition fit of a key on key way the following dimension are adopted. (Mark the same on a schematic diagram following hole basis system). Width of key way is 25 mm and the tolerance is 21 microns. The largest size of key is 25.015 mm and the tolerance is 13 microns. If there is chance for clearance in assembly, what is the maximum value of it? What is the maximum interference possible? (7 point)