The machining allowance provided on patterns depends upon
In a hot chamber die casting machine
The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.
In submerged arc welding, an arc is produced between a
The chisel used for cutting key ways is
The fullers are used
Surface plate is used to check the trueness of flat surfaces.
In shielded arc welding
The temperature at which the new grains are formed in the metal is called
The cold chisels are made by
The property of sand due to which it evolves a great amount of steam and other gases is called
A zinc diffusion process is called
In a die casting method, the molten metal is forced into mould under high pressure.
In a centrifugal casting method, the impurities are collected in the centre of the casting.
Thread rolling is restricted to
The centrifugal casting method, is used for casting articles of
The accuracy of micrometers, calipers, dial indicators can be checked by a
In sheet metal blanking, shear is provided on punches and dies so that
The type of file used for a wood work is
A taper provided on the pattern for its easy and clean withdrawl from the mould is known as