Rankine cycle operating on low pressure limit of p1 & high pressure limit p2

Related MCQs

• Rankine cycle operating on low pressure limit of p1 and high pressure limit of p2
• Considerfollowing options for a simple Rankine cycle i) increasing pressure at exist of turbine ii) increasing average temperature of heat addition iii) decreasing pressure at exit of turbine iv) superheating of steam v) decreasing pressure during superheating. Which combination of above will increase Rankine efficiency?
• In a regenerative Rankine cycle as compared to simple Rankine cycle
• A steam power plant working on Rankine cycle produces steam in the boiler at a rate of 100 kg/s with enthalpy of 3280 kJ/kg from water whose total heat content is 420 kJ/kg. The plant has Rankine efficiency of 24.65 while pump requires 5 kJ/kg of work. The turbine generates power of
• Essential parts of a power plant operating on a Rankine cycle are
• Examine follwing two statements & choosethe correct relationship i) for a steam power plant Rankine cycle is preferred over Carnot cycle ii) a pump which will handle the mixture of vapour & liquid is difficult to construct
• A Rankine cycle is less efficient than Carnot cycle because
• A regenerative Rankine cycle may approach efficiency of a Carnot cycle between same temperature by
• In a simple Rankine cycle steam was expanded from 100 bar & 380°C to 1 bar 0.8 dry state. The pump motor consumes 10 kJ/kg of energy. The efficiency of cycle is
• In a reheat Rankine cycle steam with enthalpy of 3300 kJ/kg is expanded in h.p turbine to a state where enthalpy is 2650 kJ/kg. The steam is further expnaded from a state where enthalpy is 2950 kJ/kg to enthalpy of 2525 kJ/kg & latent heat of 2201 kJ.kg. The work of the cycle & amount of reheat respectively are