A lathe mandrel is a hardened and tempered steel work-holding device.it is used for the further machining of a workpiece between centers after it has been bored or reamed while held in a chuck . The mandrel is ground to a taper of

I need help with this assignment for drafting I don’t understand it.

I need answers to questions 4, 5, and 6 pertaining to the print provided. Note: A tutor keeps putting 1 question into 3 parts and wasted so many of my questions. Never had a issue before until now, please allow a different tutor to answer because I was told I am allowed 3 of these questions.

A mild steel specimen of  Initial diameter of  30.5 mm is turned to final diameter of 27 mm for an initial length of 153 mm on a lathe machine.      Using the given data find the following.   (i)  Feed of 0.4 mm/rev &  Depth of cut is  0.5 mm (ii)During machining the tool's approach length is 5 mm, over run length is 2mm  (iii) Time required to complete one single turning operation is 3.5 minutes        (a)Find number of passes to finish the entire turning operation (b) Total time required to complete the turning operation in minutes

• Part A Draw the shear diagram for the baam. Folow the sign convention. Fig.m 1) Clok on "add Vertioal line off to add dicoontinulty linec. Then ollok on "add cagment" button to add funotions between the lines. Note 1- You chould not draw an "extra" vertical line at the looation of appled moment. Note 2- Be cure to Indicate the oorreot types of the funotione between the linec, eg. fin your ancwer the type of a funotion Ie "Ilnsar inoressing ciope" for the funotion that actually has linear deoreacing clopa, the ancwer wll be graded as Incorrect Uce the button "ohange cagment" f nsoeccary. 0000 15 kN 10 kN/m 20 kN m 2m 1m No cloments selected v N) 30 20 Im) 20 Add discontinulty ines and seloct segments to add to the canvas Submit dg Aer • Part B Draw the momant diagram for the baam. Follow the sign convention. Cliok on "add vertioal line off to add dicoontinulty linec. Then ollok on "add cagment" button to add funotions between the lines. Note 1- The ourve you chooce from the drop-down…

To help facilitate machinig and inspection, what is permitted on both ends of this object?