Related Questions

A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.
A Same
B Lower
C Higher
D None of these
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is
A Low
B High
C Same
D Low/high depending on make and type
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio
A Increases
B Decreases
C First increases and then decreases
D First decreases and then increases
The work ratio of simple gas turbine cycle depends on
A Pressure ratio
B Maximum cycle temperature
C Minimum cycle temperature
D All of the above
The work ratio of simple gas turbine cycle depends upon
A Maximum cycle temperature
B Minimum cycle temperature
C Pressure ratio
D All of these
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
A Heat rejection is lower
B Expansion and compression are isentropic
C Combustion is at constant volume
D Maximum temperature is higher
The efficiency and work ratio of a simple gas turbine cycle are
A Very low
B Low
C High
D Very high
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio
A Increases
B Decreases
C Remain same
D First increases and then decreases
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2

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