FERTILISER TECHNOLOGY QUIZ

None of the listed here

Carburising

Oxidizing

Neutral

Upper deviation

Fundamental deviation

Actual deviation

Lower deviation

Second cut file

Bastard file

Smooth file

Rough file

90% sand and 10% clay

30% sand and 70% clay

50% sand and 50% clay

70% sand and 30% clay

Submerged arc welding

Manual arc welding

MIG welding

TIG welding

Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

Ram the sand harder at the back of the mould and softer on the pattern face

Produce uniform packing of sand in the mould

Produce uniform sand hardness throughout the mould

Direct current with straight polarity is used

Any one of the listed here

Alternating current is used

Direct current with reversed polarity is used

Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

Is extensively used for making bolts and rivets

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work

Controlling the direction of flow lines

All of these

Refining grain size

Reducing original block into desired shape

Planishing

Squeezing

Drawing

Coining