To study the making of cores using core sand
Temperature up to which cores are backed by preheating them is:
The force which is experienced by the cores while pouring molten metal is:
For the casting of aluminium, chaplets used are made up of:
To remove the cores from the finished casting, which of the following process can be used?
In sodium silicate-CO2 cores, the purpose to pass CO2 gas to the rammed sand is: