Workshop Technology
For welding plates of thickness more than 12.5 mm, its edges

Should have a double-V or U-groove on one side
Do not require bevelling
Should have a double-V or U-groove on both sides
Should be bevelled to a single-V or U-groove

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
The diaphragm moulding machine is used to

Produce uniform packing of sand in the mould
Give uniform sand hardness throughout the mould
Ram the sand harder at the back of the mould and softer on the pattern face
Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

ANSWER DOWNLOAD EXAMIANS APP