Manufacturing And Production Technology
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.

Single riveted
Double riveted
None of these
Both (A) and (B)

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Manufacturing And Production Technology
The primary purpose of a sprue in a casting mould is to

Feed molten metal from the pouring basin to the gate
Act as a reservoir for molten metal
Feed the casting at a rate consistent with the rate of solidification
Help feed the casting until all solidification takes place

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