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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.
Reactions at grouted end of cantilever beam: Q: Find reactions at grouted end of cantilever beam shown in figure given below Draw free body diagram of the beam
Q. Define Maximum Allowable Working Pressure? The MAWP to be marked on the Section VIII nameplate is defined as the maximum gauge pressure permissible at the top of a completed
Q. Shut-off valves on major zone? Are shut-off valves on major zone branches and on the bottom and top of riser? Are balancing valves on return branches? Are control valves on
Con e of Friction: When the body is having impending motion in direction of P , the frictional force will be limiting friction and the resultant reaction R wil
Find velocity of the vehicle: A car having mass 400kg is moving with velocity of 20m/sec. A force of 200N that acts on it for 2 mins. Find velocity of the vehicle: (1) W
Explain the Application of Electro Chemical Machining? 1. EBM has been used to perforate holes in glass fiber spinning head made from a heat resistant supper alloy. 2. Slott
Hello to whom it may concern. I am currently having much trouble with a physics problem. I have an inverted L beam lying on a table. At the end of the flat piece laying on the t
(a) What are the need of a surface condensing ? Write disadvantages and advantages of Jet condenser and surface condenser. (b) A surface condenser is designed to handle 10000 Kg
The Ordinate Dimension Command We can use The Ordinate command to annotate co-ordinate points with X or Y values. This might be useful for setting-out on site plans.
calculate the dryness fractin of steam which has 1.5kg of water in suspension with 50kg of steam
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