Deuterium differs from hydrogen in
A.chemical properties
B.physical properties
C.both physical and chemical properties
D.radioactive properties
Category: Chemical Engineering Mcqs
Which of the following have the same units?
A.Boltzmann constant and Planck’s constant
B.Stefan’s canstant and Boltzmann constant
C.Plank’s constant and Stefan’s constant
D.Planck’s constant and angular momentum
Which of the following petroleum products has maximum C/H ratio (by weight)?
A.Naphtha
B.Kerosine
C.Light diesel oil
D.Fuel oil
Sodium thiosulphate is used in photography to
A.remove unexposed silver halide
B.reduce the silver halide to silver
C.intensify faint images
D.remove metallic silver
A high value of Prandtl number indicates
A.rapid diffusion of momentum by viscous action compared to diffusion of energy
B.relative heat transfer by conduction to convection
C.rapid heat transfer by forced convection to natural convection
D.None of the above
Body A is kept in contact with body B. Heat will flow from A to B, if
A.The heat content of A is greater than that of B
B.The temperature of A is greter than that of B
C.The specific heat of A is greater than that of B
D.The specific heat of A is lower than that of B
E.None of the above
Which of the following particles is unstable?
A.neutrons
B.proton
C.electron
D.alpha particle
The binary diffusivity in gases is dependent upon
A.the temperature
B.the pressure
C.the nature of components
D.all of the above
The atom whose nucleus contains the largest number of neutrons is
A.92U235
B.92U238
C.92U239
D.94Pu239
Synthetic ammonia is produced by reacting nitrogen and hydrogen gases. The reaction is
A.endothermic
B.exothermic
C.irreversible
D.catalyzed by enzymes
