Workshop Technology Questions

• 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
• The temperature produced by oxy-hydrogen flame is about
• In blanking operation, the clearance is provided on
• The operation of giving impressions of figures, letters or designs on sheet metal parts, is known as embossing.
• In arc welding, the temperature of heat produced by the electric arc is of the order of
• A hacksaw blade is specified by its
• A casting defect which occurs due to improper venting of sand is known as
• When the dimension is expressed as , then the basic size is
• The process of increasing the cross-section of a bar at the expense of its length, is called
• Extrusion
• Sand wash is a casting defect which
• The metal extrusion process is generally used for producing