70 marks practice paper MPR-22446

Dear Friends,
Please solve 70 marks practice paper MPR-22446 with guidelines given in the solving theory examination papers.

All the best!!!

Practice Question Paper (ESE)

Course Title : Manufacturing Processes                                Marks : 70

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

a) Define cutting speed and feed

b) Draw sketch of split pattern

c) Define spot facing operation performed on drilling machine

d) List any two mechanisms used for slotting machine

e) State the function of core in casting

f) List practical applications of Brazing process

g) Suggest process for manufacturing key-way slots in gear

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

a) Explain the mechanism of chip formation

b) Draw labeled sketch of quick return mechanism used in shaper

c) State the significance of shrinkage allowance and draft allowance in patterns

d) Compare between Direct and indirect extrusion (any four points)

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

a) State the specifications of drill machine and standard drill

b) Calculate taper angle when the work piece has larger diameter as 40 mm and smaller  diameter is 30 mm for length of 30 mm

c) State any four welding defects with their causes

d) Explain injection molding process with sketch

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

a) A steel drill of 12 mm diameter used for drilling  20 mm thick plate with  feed of 0.25 mm/rev and cutting speed for steel is 30 m/min, Calculate the machining time

b) Explain angular shaping operation with sketch

c) Explain with neat sketch the calendaring process of plastic manufacturing.

d) Explain green sand and dry sand used in moulding

e) Compare closed die and open die forging

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

a) List taper turning methods and explain setting over tail stock method with sketch

b) State any six safety practices/precautions to be followed in foundry shop.

c) Explain three high and cluster rolling mill with sketch

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

a)  Explain principle and construction of slotting machine with sketch

b) Explain spot welding and projection welding process

c) Select and justify process for manufacturing 1. Plastic bottles  2. Hollow cylinder

    3. Thin films/sheets of polymer   4. Polymer Bottle caps