Answer is:
Addendum
Explanation:
Radial distance of a gear tooth from the pitch circle to the top of the tooth is known as Addendum.
Answer is:
3 degree
Answer is:
Tin and Zinc
Explanation:
Gun metal is an alloy of copper, Tin and Zinc
Answer is:
Copper and Zinc
Explanation:
Brass is an alloy of Copper and zinc