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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.
Q. Determine the proper torque values from the Flange? Determine the proper torque values from the Flange Closure Sheet. Apply the torque, using a hand torque-measuring wrench,
Data translation requirements: An apparent indication that CAD data translation is now an accepted part of the complex mechanical design world is the emerging trend towards bu
what is the application
An engine uses air as the operating substance. At the beginning of compression the pressure is 90 KN /m 2 and the temp. is 40 0 C. During the adiabatic compression, the volume is
Problem You are playing tetherball because you are seven years old and you have nothing better to do. If the tetherball has a mass of 1 kg and the rope is 1.5 m long and can w
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LACASHIR E BOILER : It is fire tube, internally fired, stationary, horizontal, natural circulating type boiler. Evaporative capacity can be up to 8500 kg/hr. and can opera
Those that produce microbial cells e.g.Baker's yeast or mycoprotein. Those that produce microbial enzymes e.g. alpha amylase for starch processing, glucose isomerase for the pro
I have got a rusted chassis of a car.I wonder if you can estimate the remaining strength in a longitudial steel beam 6 cm wide x 12 height.
Normally galvanized pipes are not used for steam. Mild steel with screwed or welded fittings are the norm. Pressure and temperature are very significant factors to be considered in
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