QUESTION 37 Which of the following are true for the limitations and impracticalities of the compressor of the Carnot vapour cycle? a. Limitation of the thermal efficiencies due to operation temperature. O b. The challenge of device that can handle steam with high moisture content. Oc. Incident of wear and corrosion on device blades. O d. Limitation in reaching a suitable maximum temperature. Oe. Difficulty in designing a compressor that handles two phases. Of. Difficulty in accomplishing a working fluid in a single phase at a high temperature. Og. Difficulty in controlling the condensation process to desired quality at pump inlet. QUESTION 38 For the same compression ratio O a. Thermal efficiency of Otto cycle cannot be predicted O b. All the statements O c. None of the statements O d. Thermal efficiency of Otto cycle is greater than that of Diesel cycle O e. Thermal efficiency of Otto cycle may be greater or lesser than that of Diesel cycle Thermal officiency of Otto cycle is lose than that of Diocol cyclo

QUESTION 37 Which of the following are true for the limitations and impracticalities of the compressor of the Carnot vapour cycle? a. Limitation of the thermal efficiencies due to operation temperature. O b. The challenge of device that can handle steam with high moisture content. Oc. Incident of wear and corrosion on device blades. O d. Limitation in reaching a suitable maximum temperature. Oe. Difficulty in designing a compressor that handles two phases. Of. Difficulty in accomplishing a working fluid in a single phase at a high temperature. Og. Difficulty in controlling the condensation process to desired quality at pump inlet. QUESTION 38 For the same compression ratio O a. Thermal efficiency of Otto cycle cannot be predicted O b. All the statements O c. None of the statements O d. Thermal efficiency of Otto cycle is greater than that of Diesel cycle O e. Thermal efficiency of Otto cycle may be greater or lesser than that of Diesel cycle Thermal officiency of Otto cycle is lose than that of Diocol cyclo

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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For the NH3/H2O cycle the following relationship give the solution flow rate per unit refrigeration rate: WFS_A * X - WFS_G(X-1) = 1 whereWFS_A = mass fraction of NH3 in solution form the absorberWFS_G = mass fraction of NH3 in solution from the generator X-1 =mass of solution from the generator per unit mass of refrigerant flowFor large systems, a reasonable pressure drop between the evaporator and absorber is 1.5 psiConsider a large NH3/H2O plant operating per the schematic below: Known/given:i. Refrigeration load = 500 tonsii. Evaporator temperature (state point 10) = 41.1 Fiii. Evaporator pressure (state point 10) = 75 psiaiv. Absorber pressure (state point 11) = 73.5 psia (per rule of thumb above regarding pressure drop between the evaporator and absorber)v. Strong aqua solution temperature (state point 3) = 105 Fvi. Condenser temperature (state point 8) = 100 Fvii. Condenser and tower pressure (state point 7) = 211.9 psiaviii. Concentration split, WFS_G - WFS_A =6% by weight…
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For the NH3/H2O cycle the following relationship give the solution flow rate per unit refrigeration rate: WFS_A * X - WFS_G(X-1) = 1 where WFS_A = mass fraction of NH3 in solution form the absorber WFS_G = mass fraction of NH3 in solution from the generator X-1 =mass of solution from the generator per unit mass of refrigerant flow For large systems, a reasonable pressure drop between the evaporator and absorber is 1.5 psi Consider a large NH3/H2O plant operating per the schematic below: Known/given: i. Refrigeration load = 500 tons ii. Evaporator temperature (state point 10) = 41.1 F iii. Evaporator pressure (state point 10) = 75 psia iv. Absorber pressure (state point 11) = 73.5 psia (per rule of thumb above regarding pressure drop between the evaporator and absorber) v. Strong aqua solution temperature (state point 3) = 105 F vi. Condenser temperature (state point 8) = 100 F vii. Condenser and tower pressure (state point 7) = 211.9 psia viii. Concentration split, WFS_G - WFS_A =6%…