The relation between the emissive and absorptive power of a surface is developed under
A.Planck’s law
B.Kirchhoff’s law
C.Electrical analogy
D.Stefan-Baltzmann’s law
E.Law of radiations
A.Planck’s law
B.Kirchhoff’s law
C.Electrical analogy
D.Stefan-Baltzmann’s law
E.Law of radiations
A.greater than 3 kcal/(kmol.K)
B.less than 3 kcal/(kmol.K)
C.equal to 3 kcal/(kmol.K)
D.less than or equal to 3 kcal/(kmol.K) depending on the gas
A.(cost)1 = (cost)2 [(capacity)2/(capacity)1]
B.(cost)1 = (cost)2 [(capacity)1/(capacity)2]
C.(cost)1 = (cost)2 [(capacity)1/(capacity)2]0.6
D.(cost)1 = (cost)2 [(capacity)2/(capacity)1]0.6
A.Ethanol-water
B.Benzene-toluene
C.Hydrochloric acid-water
D.Acetone-chloroform
A.very low pressures only
B.low pressures accurately
C.large pressures only
D.all pressures except the small ones
A.high vapour pressure
B.corrosive nature
C.high boiling point
D.low vapour pressure
A.less than the external pressure
B.greater than the external pressure
C.equal to the external pressure
D.equal to the vapour pressure at the prevailing temperature.
A.the temporary distortion of a material under the action of applied stress
B.the permanent distortion of a material under the action of applied stress
C.related to plastics
D.none of the above
A.chelated iron compound
B.nickel
C.platinum
D.vanadium pentaoxide
A.Radium
B.Zirconium
C.Uranium
D.Polonium