PTU B.Tech Mechanical 3rd Sem Paper 2012 Machine Drawing

PTU B.Tech Mechanical 3rd Semester Paper 2012 Machine Drawing Punjab Technical University Exam 2012 3rd Semester Machine Drawing Test September and March Question Paper Free Download Punjab Technical University Machine Drawing Question Papers 2012 PTU B.Tech Mechanical 3rd Sem Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech Mechanical 3rd Semester Paper 2012 Machine Drawing Punjab Technical University September 2012 and March 2012 Exam B.Tech Mechanical 3rd Semester Sample Model Question Papers Free Download PDF

 Machine Drawing

 a) What is meant by progressive dimensionless and continuous
dimensioning?
b) How the tolerances are specified and indicated on drawings?
c) Explain with the help of suitable sketches the method of dimensioning:
(I) Arcs and (ii) Angles.
d) What is the use of multi-start threads?
e) Show by sketches how the size of weld is given.
f) What is the function of an eccentric in an engine?
g) What is meant by the lift of the valve? What should be the maximum lift?
h) What is the function of a tool post of a lathe machine?
i) In a simple bushed bearing how the rotation and axial movement of the bush is prevented.
j) What is the function of tailstock in lathe machine?

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PTU B.Tech Mechanical 3rd Sem Paper 2012 Machine Drawing


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