1.investigate and explain the procedure by which mechanical engineers or motor mechanics fasten engine bolts using a ratchet.
2.what is the function of a feeler gauge?
3.what is the difference between a vice grip and a wrench in terms of their structure and functions?
4.why do some technicians use Allen keys instead of self tapping screws to fasten joints?
5.explain the method by which a micrometer is used to determine the depth or the size of an object.
6.describe why engineers or technicians may prefer a Vernier calliper to other measuring instruments.