Production Engineering Questions

• The hardness of a grinding wheel is specified by
• In a shaper, the length of stroke is increased by
• The rear teeth of a broach
• Thread grinding requires work speed from
• An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
• As the cutting speed increases, tool life decreases.
• Crater wear is predominant in
• The top and sides of the table of a shaper usually have
• The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.
• The abrasive recommended for grinding materials of high tensile strength is
• Glazing in grinding wheels can be decreased by
• Threading is an operation of
• Down milling is also called
• Which of the following operations can be performed with milling cutters?
• Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.
• In machining metals, chips break due to __________ of work material.
• In continuous chip cutting, the maximum heat is taken by the cutting tool.
• The depth of cut in drilling is __________ the drill diameter.
• When the backgear is engaged in a backgeared headstock, the spindle speed reduces considerably.
• High speed steel drills can be operated at about __________ the speed of high carbon steel drills.