Related Questions

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that
ক Carnot cycle can't work with saturated steam
খ Heat is supplied to water at temperature below the maximum temperature of the cycle
গ A Rankine cycle receives heat at two places
ঘ Rankine cycle is hypothetical
In Rankine cycle the work output from the turbine is given by
ক change of internal energy between inlet and outlet
খ change of enthaply between inlet and outlet
গ change of entropy between inlet and outlet
ঘ change of temperature between inlet and outlet
Rankine cycle efficiency of a good steam power plant may be in the range of
ক 15 to 20 per cent
খ 35 to 45 per cent
গ 70 to 80 per cent
ঘ 90 to 95 per ceut
Rankine cycle comprises of two isothermal and two __________ processes.
ক Isobaric
খ Polytropic
গ Isentropic
ঘ None of these
Efficiency of Rankine cycle can be increased by
ক Decreasing initial steam pressure and temperature
খ Increasing exhaust pressure
গ Decreasing exhausts pressure
ঘ Increasing the expansion ratio
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
ক Heat rejection is lower
খ Expansion and compression are isentropic
গ Combustion is at constant volume
ঘ Maximum temperature is higher
Rankine efficiency of a steam power plant
ক improves in summer as compared to that in winter
খ improves in winter as compared to that in summer
গ is unaffected by climatic conditions
ঘ none of the above
Rankine's theory is used for
ক Brittle materials
খ Ductile materials
গ Elastic materials
ঘ Plastic materials
The Rankine's constant for a mild steel column with both ends hinged is
ক $$\frac{1}{{750}}$$
খ $$\frac{1}{{1600}}$$
গ $$\frac{1}{{7500}}$$
ঘ $$\frac{1}{{9000}}$$
For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory
ক Is always less than 1
খ Is always greater than 1
গ Can be more than 1
ঘ Can be less than 1

Next steps