Related Questions

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
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches
A ∞
B 0
C 1
D 0.24
If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day?
A P
B Q
C R
D S
The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
A Isotactic
B Saturation
C Inversion
D Throttling
Although it cannot be proven, - the expansion of the universe will slow down as it approaches a critical readius.
A presumably
B presumption
C presumed
D presumable
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
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 density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
Reheating in a multistage expansion gas turbine ________ compressor work.
A Has no effect on
B Decreases
C Increases
D None of these
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are
A Isothermal
B Isentropic
C Polytropic
D None of these

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