Maharashtra State Board of Technical Education 2009 Diploma Fabrication Engineering of Advanced Fabrication Process. - Question Paper

Sample ques. Paper
Course Name : Fabrication Technology & Erection Engineering
Course Code : FE
Semester : Sixth
Subject : Advanced Fabrication Processes
Marks : 80 Time: three Hrs.
Instructions:
1. All ques. are compulsory
2. Illustrate your answers with neat sketches wherever necessary
3. Figures to the right indicate full marks
4. presume suitable data if necessary
5. Preferably, write the answers in sequential order
Q.1 Solve any FOUR. four X four = 16 Marks
a) What is metal sawing operation?
b) discuss stiffening in a corrugated sheet metal compared to a plane sheet metal.
c) What is the difference ranging from Blanking and Pierceing operation?
d) discuss with neat sketch the use of angle stiffeners in duct-work.
e) elaborate high strength friction grip bolts?
f) Draw a neat tagged sketch showing the assembly of a bolted joint
Q.2 Solve any TWO. two X six = 12 Marks
a) Differentiate ranging from reciprocating Power hacksaw, cold saw and bench saw with
respect to:
· Cost of the machine.
· Sawing time
· Labour skill
b) provide the basic principle & applications of flame cutting operation.
c) Write safety precautions for reciprocating power hacksaw.
Q.3 Solve any TWO. two X six = 12 Marks
a) With neat sketches discuss the procedure for defective rivet removal.
b) With neat sketches discuss the technique of cutting thick plates away from the edge.
c) elaborate Web Stiffeners? Draw a sketch and state its need.
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Q.4 Solve any FOUR. four X four = 16 Marks
a) List 2 advantages and 2 disadvantages of Fly press over Power press.
b) discuss with neat sketch "box-making" on a press brake.
c) What is pre-forming in rolling operation and state its need.
d) discuss with neat sketch, load indicating bolt head and washer.
e) elaborate composites? provide suitability of composites for fabrication compared to
conventional materials.
f) elaborate the thermosetting resins used for composites? elaborate the additives for
FRP?
Q.5 Solve any TWO. two X six = 12 Marks
a) provide the constructional differences in pinch kind roll and pyramid kind roll.
b) With a neat sketch discuss spring back in metals, related to bending operation.
c) elaborate folding machines? provide their specification. List the step in folding a sheet
metal job.
Q.6 Solve any TWO. two X six = 12 Marks
a) What is pipe bending? How it is carried out?
b) With neat tagged sketches, discuss hand riveting method.
c) Classify the composites. provide 2 applications of every.
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Earning:   Approval pending.