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Q.Explain working of Steam Drum?
Total solids concentration in the steam at steam manifold outlet shall not exceed 0.5 ppm during steady operation at MCR. Fabricator must indicate the maximum acceptable total dissolved solids concentration in the boiler water when operating normal drum water level.
The normal water operating level in the steam drum shall be not less than 25 mm (1") below the drum center line. In the drum, the surface area of the normal operating water level shall be sized based on 100% MCR, such that the maximum surface release rate shall not exceed 3,900 kg/m2h (800 lb/ft2h).
Water hold-up between fabricator's stated normal water level and top downcomer level shall be sufficient to enable operating at 100% MCR for at least five minutes in the event of loss of boiler feed water supply. This resident time design shall include ramping rate of 20% MCR per minute.
The water surge volume in the steam drum shall be adequate to accommodate the resultant swell from increase in load of 20% of MCR per minute without actuating the low water level cut-off.
Evaluate the maximum bending stresses: A beam of I-section illustrated in Figure is simply supported over a span of 10 m. It carries an uniform load of 4 kN/m over the whole s
we can use in proove of energy is a propertyof system we can use (E) instead of (dQ-dW)
Modal Dispersion in Step-Index Fibers Determine the core radius of a multi-mode step index fiber with a numerical aperture NA = 0.1 if the number of modes M = 5000 when the wave
Spot welding of different metals Though, mild steel is t he metal most commonly used, any prime metal or alloy can be successfully spot welded provided that machine with suitab
Pole: this is the centre of finite rotation of the coupler. Relative Pole: this is the pole of coupler associated to other moving link. Accuracy Points: The points at w
Q. Erosion-Corrosion In Sand Slurry Line? All sands are collected in the Inlet Slug Catcher and routed to the Desand Tank for separation. Sand Slurry lines are subject to erosi
Calculate the angular acceleration of the pulleys: The compound pulley system has a mass of 30 kg and a radius of gyration of 450 mm. Calculate the tension in each cord and th
What is Metal Cutting Tool? A cutting tool (or cutter) is any tool which is used to remove material from the work piece by means of shear deformation. Cutting may be completed
Determine the Processing Time of IGES File Size/Processing Time: IGES was heavily criticized for requiring large files that took hours or even days to parse, given the averag
difference between stress intensity factor and stress concentration factor
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