Workshop Technology Questions

• In a gas welding of mild steel using an oxy-acetylene flame, the total amount of acetylene consumed is 10 litre. The oxygen consumption from the cylinder is
• The operation of cutting of a flat sheet to the desired shape is called
• The mode of deformation of the metal during spinning is
• In TIG arc welding, the welding zone is shielded by an atmosphere of
• Cold working distorts grain structure and does not provide an appreciable reduction in size.
• Hot piercing is extensively used for making bolts and nuts.
• The hot working of metals is carried out
• Swab is used for
• The welding process used in joining mild steel shanks to high speed drills, is
• The acetylene cylinder is usually painted with
• The metal patterns as compared to wooden patterns require less
• If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
• The diaphragm moulding machine is used to
• The difference between the upper limit and lower limt of a dimension is called
• When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
• When the file is moved to and fro over the work, it is known as
• The two rolls in a two high rolling mills are of __________ size.
• The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
• The sand used for making cores is
• The process of decreasing the cross-section of a bar and increasing its length, is called