Materials are limited to ductile materials because the threads are cold formed.
Also, materials with good deformation characteristics are necessary for rolling; these materials include softer (more ductile) metals and exclude brittle materials, such as cast iron.
30) Thread rolling is restricted to
Answer is:
ductile materials
Explanation:
Related Workshop Technology MCQ with Answers
Answer is:
pull saw or draw saw
Explanation:
A saw which cuts wood during the return stroke of the saw is known as pull saw or draw saw.
Answer is:
marking tool
Explanation:
A mortise gauge is a Marking tool.
A mortise gauge is a woodworking tool used by a carpenter or joiner to scribe mortise and tenon joints on wood prior to cutting. Mortise gauges are commonly made of hardwood with brass fittings.
Answer is:
is used for cutting along the grains of wood
Explanation:
A rip saw is a wood saw that is specially designed for making a rip cut, a cut made parallel to the direction of the wood grain.
Answer is:
boring
Explanation:
Gimlet is a small tool for boring holes, consisting of a shaft with a pointed screw at one end and a handle perpendicular to the shaft at the other end.