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A semi-elliptical laminated vehicle spring to took a load of 6000 N is to consist of seven leaves 65 mm wide, two of the leaves extending the full length of the spring. The spring is to be 1.1 m in length and located to the axle by two U-bolts 80 mm apart. The bolts hold the central portion of the spring so rigidly that they can be considered equivalent to a band having a width equal to the distance between the bolts. Consider a design stress for spring material as 350 MPa. Evaluate:
1. Thickness of leaves,
2. Deflection of spring,
3. Diameter of eye,
4. Length of leaves, and
5.Radius to which leaves should be initially bent.
Q. Describe the term ‘Critical Insulation thickness'. What is its significance? Derive an expression for the critical insulation radius of a spherical system. A bar of square cr
What are the factors responsible for the development of newer tool materials. Explain several materials used for cutting tools. List four kinds of tool wear.
Forecasting System Outputs: In a company, inventory level is reviewed biweekly. If the parts used in an assembly have the lead time of one and a half week, what period should
Design varies with scale of operation The design of a fermenter varies with scale of operation from lab (1-20L), to pilot (up to 5000L) to production (to >200,000L) scales. Th
Pressure Vessel materials shall be as specified on the Vessel Data Sheet. All attachments to vessels shall be of the same ‘P Number' material as that for the pressure envelope,
Why is back rake angle preferred to be negative for brittle materials?
Q. What is Clad plate and overlay welding? Strip back cladding on clad plate a minimum of 5 mm (3/16") from the edges of weld preparation before welding on the backing plate.
a) Describe Industrial Engineering. Discuss its scope and use in service and manufacturing industries. b) Deriving the stop watch study in a machine shop, ten observation of a d
Compaction This is carried out in several manners that might occupy the addition of a binder or lubricant and application of pressure. Sintering is densification of assembled
a) Draw a diagram of a simple carburettor and briefly explain its function. b) What are the basic characteristics of fuels for CI engines.
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