Related Questions

When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.
A Sum
B Difference
C Arithmetic mean
D Geometric mean
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.
A Compressibility
B Molecular weight
C Humidity
D None of these
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,
A Will be higher
B Will be lower
C Will remain unaffected
D May be higher or lower depending upon the nature of non-condensable gases
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
A Decreases
B Increases
C Remains same
D Depends on other factors
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?
A Charles' Law
B Joule's Law
C Regnault's Law
D Boyle's Law
If two gases have same reduced temperature and reduced pressure, then they will have the same
A Volume
B Mass
C Critical temperature
D None of these
For very great pressures, viscosity of moss gases and liquids
A Remain same
B Increases
C Decreases
D Shows erratic behavior
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 minimum temperatures from Monday through Sunday in the first week of December in a region are observed to be 20c,40c,40c,50c,70c90c,100c. What is the range of the temperatures?
A -100c
B -80c
C 80c
D 100c
Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
A Less than
B Same as
C More than
D Half

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