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The steam that leaves the super-heater is expanded from 130bar at 535°C to 25.2bar at 310°C in a high pressure turbine. The steam from the exit of the HP turbine is reheated to 535°C in the boiler. The reheated steam is then expanded to 8.5bar at 378°C in the intermediate pressure turbine, after which a certain percentage of the steam is bled off to a feedwater heater. The remaining steam is then expanded through a low pressure turbine to 0.05 bar and a dryness fraction of 0.94. All 'steam' entering the feed pumps shall be a saturated fluid. Produce a schematic diagram of the system, together with an appropriate T-s diagram. Using steam tables only, calculate
(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
Shielded Metal Arc Welding Single pass fillet welds upto ¼" (6.4 mm) maximum and ¼" groove welds made with a single pass or a single pass each side, may be made by using a
Relation between stress and strain: The relation between stress and strain is generally shown by plotting a stress-strain (σ -e) diagram. Stress can be plotted on ordinate (ve
a) What are essential needs of a job evaluation plan. Illustrate the point plan method b) Describe factor comparison method of job evaluation. a) What are basic objectives an
Determine the shear stress in each section - cells: In Figure, the mean dimensions of the two cells are 100 mm × 50 mm and 50 mm square. t 1 = 3 mm, t 2 = 6 mm,
what is function of orifice
A motor cycle with rider, weight of 250 Kg., the centre of Gravity of the machine and rider combined being 60 cm above from ground level when the machine is standing upright. Each
Estimate temperature of air at exit from compressor: The air compressor compresses atmospheric air at 0.1MPa and 27 0 C 10 times the inlet pressure. During compression heat
Compute the centroidal moment of inertia: Compute the centroidal moment of inertia of a thin homogeneous bar AB of length l and having a mass of m kg Solution The mass
Are a Moment of Inertia Moment of force about a point is product of the force ( F ) and perpendicular distance ( d ) between point and line of action of that is F.d. This mome
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