Workshop Technology
A basic hole is one whose

Lower deviation is zero
Lower and upper deviations are zero
Upper deviation is zero
None of these

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
The purpose of a gate is to

Delivers molten metal into the mould cavity
Act as a reservoir for the molten metal
Delivers molten metal from pouring basin to gate
Feed the molten metal to the casting in order to compensate for the shrinkage

ANSWER DOWNLOAD EXAMIANS APP