The behaviour of gases can be fully determined by  (a) 1 law  (b) 2 laws  (c) 3 laws  (d) 4 laws

The behaviour of gases can be fully determined by
 (a) 1 law
 (b) 2 laws
 (c) 3 laws
 (d) 4 laws
by

1 Answer

Answer :

Answer : d
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The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by  A. Boyle’s law  B. Charles’ law  C. Gay-Lussac law  D. all of these

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Last Answer : Answer: D

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Last Answer : Second law

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Last Answer : Second law

Which of the following laws is applicable for the behavior of a perfect gas  (a) Boyle’s law  (b) Charles’law  (c) Gay-Lussac law  (d) all of the above  (e) Joule’s law.

Description : Which of the following laws is applicable for the behavior of a perfect gas  (a) Boyle’s law  (b) Charles’law  (c) Gay-Lussac law  (d) all of the above  (e) Joule’s law.

Last Answer : Answer : d

“The total volume of a mixture of non-reacting gases is equal to the sum of the partial volumes.” This statement is known as ______.  A. Law of Dulong and Petit  B. Maxwell-Boltzmann law  C. Amagat’s law  D. Avogadro’s law

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Last Answer : Amagat’s law

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Last Answer : Avogadro’s

According to Avogadro’s law  A. the product of the gas constant and the molecular mass of an ideal gas is constant  B. the sum of partial pressure of the mixture of two gases is sum of the two  C. equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules  D. all of the above

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Last Answer : Answer: C

According to Avogadro’s law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.  A. equal to  B. directly proportional to  C. inversely proportional to

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The statement that molecular weights of all gases occupy the same volume is known as  (a) Avogadro’s hypothesis  (b) Dalton’s law  (c) Gas law  (d) Law of thermodynamics  (e) Joule’s law.

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Last Answer : Answer : a

According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant  (a) Joule’s law  (b) Boyle’s law  (c) Regnault’s law  (d) Gay-Lussac law  (e) Charles’ law.

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Last Answer : Answer : e

Boyle’s law i.e. pV = constant is applicable to gases under  (a) all ranges of pressures  (b) only small range of pressures  (c) high range of pressures  (d) steady change of pressures  (e) atmospheric conditions.

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Last Answer : Answer : b

According to Dalton’s law, the total pres sure of the mixture of gases is equal to  (a) greater of the partial pressures of all  (b) average of the partial pressures of all  (c) sum of the partial pressures of all  (d) sum of the partial pressures of all divided by average molecular weight  (e) atmospheric pressure.

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Last Answer : Answer : c

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Last Answer : Answer : c

An ideal gas as compared to a real gas at very high pressure occupies  (a) more volume  (b) less volume  (c) same volume  (d) unpredictable behaviour  (e) no such correlation.

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Last Answer : Answer : a

Which of the following represents the perpetual motion of the first kind  (a) engine with 100% thermal efficiency  (b) a fully reversible engine  (c) transfer of heat energy from low temperature source to high temperature source  (d) a machine that continuously creates its own energy  (e) production of energy by temperature differential in sea water at different levels.

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Last Answer : Answer : d

A certain fluid is flowing in a 0.5m x 0.3 channel at the rate of 3 m/s and has a specific volume of 0.012 m³/kg. Determined the mass of water flowing in kg/s.  a. 267 kg/s  b. 378 kg/s  c. 375 kg/s  d. 456.5 kg/s m = Aν/V

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Last Answer : Answer : d

For which of the following substances, the gas laws can be used with minimum error  (a) dry steam  (b) wet steam  (c) saturated steam  (d) superheated steam  (e) steam at atmospheric pressure.

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Last Answer : Answer : d

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Last Answer : Answer : d

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Last Answer : z = pV/ RT

Which of the following have the highest thermal conductivities?  a. liquids  b. gases  c. metals  d. solids other than metals

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The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is  (a) 29.27 J/kmol°K  (b) 83.14J/kmol°K  (c) 848J/kmol°K  (d) All J/kmol °K  (e) 735 J/kmol °K.

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Last Answer : Answer : b

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is  (a) 29.27 kgfm/mol°K  (b) 8314kgfm/mol°K  (c) 848kgfm/mol°K  (d) 427kgfm/mol°K  (e) 735 kgfm/mol°K.

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Last Answer : Answer : c

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure  (a) enthalpy  (b) volume  (c) mass  (d) entropy  (e) specific volume.

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Last Answer : Answer : b

To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is  (a) divided by its molecular weight  (b) multiplied by its molecular weight  (c) multiplied by its density  (d) multiplied by its specific weight  (e) divided by its specific weight.

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Last Answer : Answer : b

According to Avogadro’s Hypothesis  (a) the molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature  (b) the sum of partial pressure of mixture of two gases is sum of the two  (c) product of the gas constant and the molecular weight of an ideal gas is constant  (d) gases have two values of specific heat  (e) all systems can be regarded as closed systems.

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Last Answer : Answer : a

Gases have  (a) only one value of specific heat  (b) two values of specific heat  (c) three values of specific heat  (d) no value of specific heat  (e) under some conditions one value and sometimes two values of specific heat.

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Last Answer : Answer : b

The same volume of all gases would represent their  (a) densities  (b) specific weights  (c) molecular weights  (d) gas characteristic constants  (e) specific gravities.

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Last Answer : Answer : c

Kinetic theory of gases assumes that the collisions between the molecules are  (a) perfectly elastic  (b) perfectly inelastic  (c) partly elastic  (d) partly inelastic  (e) partly elastic and partly inelastic.

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Last Answer : Answer : a

According to kinetic theory of gases, the absolute zero temperature is attained when  (a) volume of the gas is zero  (b) pressure of the gas is zero  (c) kinetic energy of the molecules is zero  (d) specific heat of gas is zero  (e) mass is zero.

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Last Answer : Answer : c

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Last Answer : Newton’s Law of Cooling

The volume of a gas is directly proportional to the number of molecules of the gas.  a. Ideal gas law  b. Boyle-Mariotte Law  c. Avogadro’s Hypothesis  d. Gay-Lussac’s Law of combining Volumes

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At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

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The volume of a gas under constant pressure increases or decrease with temperature.  a. Gay- Lussac’s Law  b. Ideal Gas Law  c. Charles’ Law  d. Boyle’s Law

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As temperature goes to “0”, the entropy approaches a constant  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

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If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

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What Law states that the pressure of gas is inversely proportional to its volume at constant temperature?  a. Charles’ law  b. Gay-Lussac’s Law  c. Boyle’s Law  d. Dalton’s Law

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The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

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The pressure of the confined gas is held constant, the volume directly proportional to the absolute temperature.  a. Charle’s Law  b. Boyle’s Law  c. Zeroth Law  d. Gas Law

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The Law of Thermodynamics that provides the basis for measuring the thermodynamic property of temperature.  a. Charle’s Law  b. Boyle’s Law  c. Zeroth Law  d. Gas Law

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The 1st Law of Thermodynamics on what principle?  a. Conservation of Energy  b. Conservation of mass  c. Enthalpy  d. Isometric

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