231) Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

Answer is:

16

increases

decreases

remains same

none of these

Answer is:

butt joint with single cover plate

butt joint with double cover plate

lap joint with one ring overlapping the other

any one of the above

Answer is:

brittle materials

ductile materials

brittle as well as ductile materials

elastic materials

Answer is:

shear strength is equal to crushing strength

shear strength is greater than crushing strength

shear strength is less than crushing strength

none of the above

Answer is: