Related Questions

When an object is 'heated' the molecules 'move faster', and the faster 'they move', 'the hot' the object.
A heated
B move faster
C they move
D the hot
Find out which quotation parts of the following sentences has an error. when an object 'heated'. The molecules 'move faster' and the faster 'the move', the 'hot' object.
A heated
B move faster
C they move
D hot
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.
A Higher
B Lower
C Same
D Unpredictable
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
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when
A Extracting solvent is cheaply & abundantly available
B One of the liquid components is heat sensitive
C Viscosity of liquid components is very high
D One of the liquid components has very high affinity towards the solvent
Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
A Higher
B Lower
C Equal
D Can't be compared
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
Liquids and gases never show
A diamagnetic property
B paramagnetic property
C ferromagnetic property
D electromagnetic property
In case of liquids and gases, the heat transfer takes place according to
A Conduction
B Convection
C Radiation
D None of these
With increase in temperature, the solubility of gases in liquids, at fixed pressure
A Increases
B Decreases
C Remains same
D Either A or B, depends on the system

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