What is the effect of nose radius on surface roughness and vibration while performing the turning operation?
[3 marks]Explain the function of positive and negative bake rake angle of single point cutting tool.
[4 marks]Explain the working and auxiliary motion in machine tools with schematic diagram.
[7 marks]What is a mandreal? Enlist different types of mandreals.
[3 marks]What does mean by taper turning? Write down the formula of taper angle. Enlist the various taper tuning methods.
[4 marks]Why does alignment test carry out on lathe machine tool? Explain any two alignment test with schematic diagram.
[7 marks]Differentiate between engine lathe, turret lathe and capstan lathe.
[7 marks]Write function of drilling machine. Enlist various drilling operation.
[3 marks]Discuss the effect of unequal lips of drill on hole quality.
[4 marks]Analyze and discuss the effect of cutting parameter on material removal rate and tool wear in case of lathe machine.
[7 marks]Sketch out the jig-boring machine with notation.
[3 marks]Differentiate between the gang drilling machine and multi spindle drilling machine.
[4 marks]Analyze and discuss the effect of speed and feed on hole quality and tool wear of drill.
[7 marks]Differentiate between the boring and reaming process.
[3 marks]Write working principle of the shaper and planner with suitable schematic diagram.1
[4 marks]Explain the basic method of milling (up and down milling) with schematic diagram.
[7 marks]Define term “Milling”. Enlist the various milling attachment method.
[3 marks]Enlist milling machine operations and explain any two.
[4 marks]Explain the hydraulic mechanism in shaper with suitable diagram.
[7 marks]Write down the limitation of broaching machine
[3 marks]What is dressing of grinding wheel? Which operation is required to change shape of grinding wheel?
[4 marks]Explain the standard marking system for grinding wheels.
[7 marks]Write down the limitation of sawing machine
[3 marks]Explain the Glazing and Dressing.
[4 marks]Explain centreless grinding process with neat sketch & standard work feeding methods for centreless grinding with neat sketch.
[7 marks]