How do you determine the mass of bleed steam in an open heater ?
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2. How do you determine the mass of bleed steam in an open heater ?
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- What is the advantage of having high steam quality compare to low steam quality?Which of the following is not an assumption for the ideal vapor compression process? a.Isobaric heating in evaporator b.Isobaric cooling in condenser c.Isenthalpic throttling d.Isentropic expansionA. Describe the four processes, which occur in the vapor-compression-refrigeration cycle that youtested.B. How did you figure out the enthalpy at the various entry / exit stages? (I know you lookedat the chart or table provided! I understand that you may have used interpolation.) I want you toexplain briefly how you determined, what principle(s) you used to determine the enthalpy at thevarious points.Sketch a p-h diagram. On this sketch of the p-h diagram you must sketch and show SOME constanttemperature lines, constant pressure lines, constant enthalpy lines, constant entropy lines, quality factorand other significant features of the p-h diagram to show your understanding of the p-h diagram. Labelx & y axis, indicate the units, indicate the critical point. Label various regions,
- 1. The area under the PV diagram is - 2. The ---and- 3. A vapor that is about to condensate is called: 7. In o Compressed vapor o Superheated vapor Saturated vapor Saturated Liquid-Vapor mixture 4. In Rankine cycle, the fluid enters the turbine as- and leaves as- 5. A---- is a reservoir that supplies heat while ----absorbs the rejected heat. 6. A measure of the total energy that is not available to produce work are a common type of irreversibility. neglected. while the area under the TS diagram is o Enthalpy o Reversibility o Isentropic efficiency Entropy -- the kinetic energy of the moving fluid is significant and can't be o Turbine and compressor o Heat exchangers o Nozzle and diffuser Mixing chambers 8. The 2nd law of thermodynamic state that energy has a 9. It is an ideal process that serves as a model for the actual processes. o Adiabatic Isentropic o Polytropic o Isothermal 10. Energy in thermodynamics is categorized into two groups: - False 12. The thermal efficiency of an ideal…How does a shell-and-coil condenser remove heat from the refrigerant?What is the function of a refrigeration unit in condensing systems?
- Question 2: (a) The pressure at which the steam should be reheated. (b) The thermal efficiency of the cycle. (c) Total heat input (Qin) (d) Total turbine work output (Wtur.out) (e) Draw the T-S diagram Notes: Assume the steam is reheated to the inlet temperature of the high-pressure turbine. • The moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.5% Boiler 650 C 17.5 MPa ww Reheater High-P turbine P₁ = Ps= Preheat Pump Low-P turbine Condenser e 15 KPawhat are the different type of Boilers?What are the advantages and limitations of surface condensers over jet condensers?