Workshop Technology Questions

• The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
• Most of the oxy-acetylene welding is done with
• In a compound die
• A rip saw
• Notching is the operation of
• In order to check the clearance between two mating surfaces, a __________ gauge should be used.
• In order to cut mild steel, the cutting angle of chisel should be
• For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
• The operation of bending a sheet of metal along a curved axis, is known as
• A two high rolling mill consists of two rolls which rotate
• The shrinkage allowance for cast iron pattern is
• In order to get uniform thickness of the plate by rolling process, one provides
• The correct sequence for preparing a billet for extrusion process is pickling, alkaline cleaning, phosphate coating and lubricating with reactive soap.
• In a unilateral system of tolerance, the tolerance is allowed on
• A file removes the metal during
• A neutral flame is obtained by supplying
• The cutting edge of a chisel should be
• In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.
• A mortise gauge is a
• Gagger is used for cleaning the moulding sand.