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Q. Basic requirements of a control scheme of steam generators?
The basic requirements of a control scheme are:
• Master steam pressure control by feedback to the water flow controllers on each boiler. There is one water flow controller per pass for each boiler.
• Ability to balance the steam load, as necessary, between the boilers. This should allow any combination of boilers to be taken out of service without seriously affecting the operation of the control scheme.
• Air-fuel cross-limiting on each boiler to prevent operation with excess combustibles.
• Combustion air-gas ratio control for each boiler which may easily be enhanced with excess oxygen control.
The control scheme should easily be interpreted, and have the capacity to display actual airflows, gas flows, ratios, etc. This feature is particularly important to maintain the service factor of the control scheme.
Connecte d Rod: It is attached to piston at its small end by means of gudgeon pin. The big end bearing is connected to crank pin. It is made up of forged steel.
Internal combustion models of engine: The engines which develop power by combustion of fuel within the engine are called internal combustion engines. The examples of internal
Data given for gear problem T P = 30 TG = 80 φ = 20o m = 12 mm Addendum = 10 mm then determine the length of path of contact, length of Arc of contact and contact Ratio.
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State elongation of a conical bar due to its self weight?
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isentropic flow
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