Related Questions

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
The ratio of two specific heats of air is equal to
A 0.17
B 0.24
C 0.1
D 1.41
The ratio of molar specific heats for mono-atomic gas is
A 1
B 1.4
C 1.67
D 1.87
In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.
A Increase
B Decrease
C Remain unchanged
D None of these
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.
A Change
B Do not change
C Both (A) and (B)
D None of these
As compared to air standard cycle, in actual working, the effect of variation in specific heats is to
A Increase maximum pressure and maximum temperature
B Reduce maximum pressure and maximum temperature
C Increase maximum pressure and decrease maximum temperature
D Decrease maximum pressure and increase maximum temperature
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when
A Flow is uniform and steady
B Process is isentropic
C Process is isothermal
D Process is isentropic and specific heat does not change with temperature
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
A Equal to one
B Less than one
C Greater than one
D None of these
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
The universal gas constant (or molar constant) of a gas is the product of
A Molecular mass of the gas and the gas constant
B Atomic mass of the gas and the gas constant
C Molecular mass of the gas and the specific heat at constant pressure
D Molecular mass of the gas and the specific heat at constant volume

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