Workshop Technology Questions

• The teeth of hacksaw blade are bent
• A moving mandrel is used in
• For cutting brass, the hacksaw blade should have __________ teeth per 25 mm.
• Cutting and forming operations can be performed in a single operation in a
• If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.
• Metal patterns require __________ draft allowance than wooden patterns.
• The width of slot cut by a hacksaw blade is __________ the width of the blade.
• The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.
• The oxy-acetylene gas used in gas welding produce a flame temperature of
• A ring gauge is used to
• A file with 50 - 60 teeth in 25 mm is called bastard file.
• A gimlet is a __________ tool.
• A process used for making thin phosphate coating on steel is called parkerising.
• In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.
• The parts of circular cross-section which are symmetrical about the axis of rotation are made by
• A progressive limit gauge has
• The advantage of thermit welding is that
• During cold working process
• When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.
• During drawing operation, the states of stress in cup would include