Workshop Technology
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

Washing it with water
Washing it with dilute acid
Using file card
Rubbing on wood

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
In permanent mould casting method

Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
Molten metal is poured and allowed to solidify while the mould is revolving
Molten metal is forced into mould under high pressure
None of these

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Workshop Technology