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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.
Spindle complaint Gear shift : Check spindle comp. Gear shift for bend, rust, arms for bend and arm spring condition and availability.
Applications of spot welding As spot welding can be employed for Al, Cu, Ni and Mg alloys. It is not advisable to spot weld steels with carbon content greater than 0.25 % unles
when the water is artificially pressurized in a water turbine, what is its power and the speed of rotation of a rotor?
Fuel Feed System: Fuel feed system is provided to serve the air fuel mixture to the engine in an appropriate ratio so that it can burn efficiently and transmit power to crank shaf
explain in detaile about PART PRINT ANLYSIS)
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Find out stress - strain and elongation of bar: A circular rod having diameter 20 m and 500 m long is subjected to the tensile force of 45kN. The modulus of elasticity for st
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Problem: Newton's First Law Newton's First Law of Motion says that, in the absence of external forces, an object at rest stays at rest and an object in motion continues at cons
Determine the RF on the scale: A length of 3 km on the ground is presented via 6 cm length on a map. Determine the RF on the scale on that it has been drawn. RF = Length o
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