Oxygen

Nitrogen

Hydrogen

Methane

**One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________…****The general law for the expansion or compression of gases, is****The total energy of a molecule is shared equally by the various degrees of freedom possessed by it.…****The absolute zero pressure can be attained at a temperature of****The torsional rigidity of a shaft is expressed by the****The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant…****A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The…****When a thin cylindrical shell is subjected to an internal pressure, the volumetric strain is (where…****A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3,…****Kelvin-Planck's law deals with****The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents****The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar…****The ratio of lateral strain to the linear strain within elastic limit is known as****The percentage reduction in area of a cast iron specimen during tensile test would be of the order of****Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific…****In a steady flow process, the ratio of****Coke is produced****A series of operations, which takes place in a certain order and restore the initial conditions at the…****The absolute zero pressure will be****The atomic mass of oxygen is****Euler's formula holds good only for****Which of the following statement is correct?****The absolute zero temperature is taken as****Which of the following statement is correct?****For a perfect gas, according to Boyle's law (where p = Absolute pressure, v = Volume, and T = Absolute…****The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.****Within elastic limit, stress is****The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ =…****When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of…****The point of contraflexure is a point where**