UPTU Old Year Question Papers
VIII Semester LT Examination 2006-07
Leather Trades Engineering
Note : (1) Attempt all questions
(2) Each questions carry equal marks.
1. Attempt any four parts of the following:
|(a)||Discuss clutch mechanism.|
|(b)||Describe crank slider mechanism.|
|(d)||What are helically bladed cylinders?|
|(e)||Write in brief about Balancing and vibration.|
2 Attempt any four parts of the following:
|(a)||Describe hydraulic mechanism.|
|(b)||Write about air compressors|
|(c)||What is a Buffing machine and dust control equipment?|
|(d)||What are area measuring machines in leather industry?|
|(e)||Discuss “Spray machines” in leather industry.|
|(f)||Write about drying.|
3. Attempt any two parts of the following:
(a) What are beam house operations? Describe in detail Tannery liming and dyeing drums, material of construction and its sketch. What is a shaving and buffing machine ?
(b) Describe in detail the construction of a tannery splitting machine with neat sketch. What are pits and paddles?
(c) Describe a Hydraulic Press
4. Attempt any two parts of the following:
(a) Discuss internal transport in a tannery
(b) What safety precautions you need to take in a leather manufacturing unit ?
(c) Write about drainage and disposal in tanneries.
5. Attempt any two of the following:
(a) Discuss maintenance of Tannery machinery.
(b) Write about electrical, steam and waterlines arrangement for a modern tannery.
(c) Discuss automation and mechanization of tanneries.