Manufacturing And Production Technology
A bottoming tap has

Its end tapered for about eight or ten threads
None of these
Full threads for the whole of its length
Its end tapered for about three or four threads

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP