Identify the correct statements for the Gib and cotter joint:
(A) In gib and cotter joint two cotters are used.
(B) Cotter is a permanent fastener.
(C) Usually taper ratio of cotter is taken as 1:30.
(D) The thickness of gib is same as that of cotter.
(E) Both gib and cotter have taper on their all edges.
Choose the correct answer from the options given below: