Related Questions

A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as
A Back pressure turbine
B Pass out turbine
C Low pressure turbine
D Impulse turbine
In the cross compounding of the gas turbine plant
A H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine
B H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine
C Both the arrangements can be employed
D All are connected in series
By compounding the expansion of steam in two or more cylinders, the length of stroke
A Does not change
B Increases
C Decreases
D None of these
By compounding the expansion of steam in two or more cylinders, the ratio of expansion
A Does not change
B Increases
C Decreases
D None of these
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
A Delivers unit discharge under unit head
B Delivers unit discharge under unit speed
C Develops unit power under unit head
D Develops unit power under unit speed
The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is
A Same
B Higher
C Lower
D None of these
Gas turbine as compared to steam turbine
A Requires less space for installation
B Has compressor and combustion chamber
C Has less efficiency
D All of these
High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:
A ΔH = 0 and ΔS = 0
B ΔH ≠ 0 and ΔS = 0
C ΔH ≠ 0 and ΔS ≠ 0
D ΔH = 0 and ΔS ≠ 0
The action of steam in a steam turbine is
A Static
B Dynamic
C Static and dynamic
D Neither static nor dynamic
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as
A Regenerative heating
B Reheating of steam
C Bleeding
D None of these

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