UPTU B.Tech 2nd Semester Paper 2012 Machine Design Gautam Buddh Technical University Exam 2012 2ndYear Machine Design Test Question Paper Free Download Gautam Buddh Technical University Machine Design Question Papers 2012 UPTU B.Tech 2nd Semester Question Paper 2012 for all students Previous Year old Past Papers of UPTU B.Tech 2nd Semester Paper 2012 Machine Design Gautam Buddh Technical University Exam B.Tech 2nd Semester Sample Model Question Papers Free Download PDF
Attempt any two of the following : 10×2=20
(a) A 20° full depth straight teeth bevel gear rotates at 600 rpm and transmits 10 kW power to other gear rotating at 200 rpm. The outer module is 3.5 mm and the number of teeth on pillion IS 24. Ratio between the cone distance and face width is 3. Check the sakty of design for steady loading if allowable static stress in bending is 105 MPa.
h For a hardened steel worm and gear the center distance is 480 mni, Transmission ratio is 20. Find the axial module and lead angle.
(C) Answer the following in brief
(1) Explain the forces acting on a bevel gear t( )oth.
(2) Importance of heat dissipation in worm and worm gear.
UPTU B.Tech Question Paper 2012 Machine Design 2nd Sem