* A 1.5mm displacement of tool point in boring operation will result in a change in the diameter equal to? A) 1.65 mm B) 2.5 mm C) 4 mm D) 3 mm Answer: D) 3 mm * The temperature to which a work piece is heated depends on the material and the type of forging process, the temperature range for forging low carbon steel is? A) 700 - 900 Degree Celsius B) 800 - 1300 Degree Celsius C) 450 - 820 Degree Celsius D) 450 - 600 Degree Celsius Answer: B) 800 - 1300 Degree Celsius * Which taper is used on spindle nose of the lathe head stock? A) Morse taper B) Brown and sharp taper C) Thermo Taper D) Yellow Taper Answer: A) Morse taper
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