70 marks practice Question paper MPR -22446

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Practice Question Paper (ESE)

Course Title : Manufacturing Processes                                Marks : 70

Q.1) Attempt any FIVE of the following.                                                                  10 Marks

a) Name any four lathe operations

b) Define orthogonal cutting

c) State the application of extrusion process

d) List types of rolling mills

e) State the composition of solder filler metal

f) State the significance of red colour in pattern colour coding

g) Name the process used for manufacturing of machine beds/frames

Q.2) Attempt any THREE of the following.                                                              12 Marks

a) Explain the nomenclature of single point cutting tool with example

b) State the mechanism used in shaper machine with sketch

c) State the causes for casting defects 1. Blow holes 2. Shift

d) Compare between rolling and forging process (any four points)

Q.3) Attempt any THREE of the following.                                                              12 Marks

a) Explain the operation for 1. Finishing of  drilled hole  2. Conical seat at top surface of hole

b) Explain any one process for turning of taper or conical job

c) Differentiate between TIG and MIG welding (any four points)

d) Explain the principle of blow moulding and write any two applications

Q.4) Attempt any THREE of the following.                                                              12 Marks

a) State specifications of lathe machine

b) Explain the working principle of slotting machine with neat sketch

c) Draw sketch of gating system and state function of runner and sprue

d) Draw and Explain cupola furnace used for melting of metal

e) Explain cluster rolling mill and write its advantages

Q.5) Attempt any TWO of the following.                                                                  12 Marks

a) Explain the function of 1.Mandrel 2. Four jaw chuck 3.Steady rest  4.Face plate 

    5. Dead   center   6. Angle plate   used in lathe machine

b) Explain stepwise process for making casting

c) Explain with neat sketch Drop forging and Machine forging

Q.6) Attempt any TWO of the following.                                                                  12 Marks

a) Explain in brief the machining process for key way cutting on shaft and angular slots

b) State principle of gas welding and explain carburizing and neutral flame

c) Select and justify process for manufacturing 1. Thin metal sheets 2. Seamless metal pipe/tubes 

    3. Connecting rods