The sand used for making cores is

More Questions from Workshop Technology

• The process of decreasing the cross-section of a bar and increasing its length, is called
• In piercing operation, the clearance is provided on
• The property of sand due to which the sand grains stick together, is called
• According to Indian standard specifications, 100 H6/g 5 means that.
• A pattern is used to make the mould cavity for pouring the molten metal for casting.
• In order to produce uniform packing of sand in the moulds, a __________ is used.
• The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
• The temperature of the inner luminous cone of neutral flame is about
• In order to ram the sand harder at the back of the mould and softer on the pattern face, a __________ is used.
• The surface to be left unmachined is marked on the pattern by

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