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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.
a) Illustrate with the help of neat sketch any three straight line mechanism. b) Describe Degree of Freedom and prove the relation for Grumbler's equation.
In this assignment you will apply what you have learned in previous training. Consider the part in figure, which constructed from a solid tube. The bracket is supported at surface
How does it function?
what is triangular law of vectors ?
Oxides These comprise alumina, magnesia, thoria, beryllia and zirconia. Other oxides that are utilized sparingly due to high cost comprise hafnia, ceria and yttria. Variety of
Standard for the specific standard technical areas These norms are based on previously described models. Typical categories of these norms are: (a) drafting, which describe
question no 2,page no 84 of strenght of materials by G H Ryder
Q. Flange Bevel And Lap Ring Weld? The fillet weld attaching the lap ring to the shell shall be an equal leg fillet weld, with the leg dimension equal to the nominal shell thic
A single plate clutch, effective on both sides is needed to transmit 25 KW at 3000 r.p.m. Calculate the outer and inner diameters of frictional surface if the coefficient of fricti
Ancillary Railway Structures: Overhead Transmission Lines When the line is electrified, the electric loco has to pick up the electric current from a cable that runs
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