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ROTARY CONVERTERSHistorically, these type of power sources were developed first for arc welding applications and even now these types are popular. These rotary converters are of two types: namely motor driven and engine driven. The engine driven type also comes in two models. Diesel engine driven generators (with auxiliary power output for grinder, etc) are very useful in heavy duty structural applications and for pipeline work. Petrol Engine driven generators which are light and portable are useful for light duty and repair works at site. The efficiency of rotary converter is rather low (60 % for motor driven & Engine driven) and the maintenance is also costly due to wear and tear of rotating machinery.
Piston Rings: Piston rings (Figure), fitted into the grooves around the piston, provide a tight sealing effect between the piston and the cylinder wall thus preventing leakage of
(a) Derive a mathematical expression to determine the efficiency of Bell Coleman Cycle. (b) A dense air refrigeration cycle acts between pressures of 4 bar and 16 bar. The air t
The round tensile specimen given below has a diameter of 0.5 in. A load, F, is applied and the deflection, g , is calculated. Given the following d = 0.5 in
Atmospheri c Pressure (P atm ): It is pressure exerted by atmospheric air on any surface. It can be measured by a barometer. The standard values of it are; 1 P atm = 760
Deadlock States Deadlock is a detrimental phenomenon in the shop floor; here part flow is inhibited because of unsuitable scheduling decisions made via the computer controller.
need abstract
High growth has been observed since 2001-02 in automobile production. Annual growth was 16.0 percent in April-December, 2004; the growth rate in 2003-04 was 15.1 percent (Table 1.
Application of cad
material properties
temparature stresses in composite bars
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