Binding energy of helium – 4 is 28.57 MeV. Its binding energy per nucleon is
A.19.24 MeV
B.7.14 MeV
C.4.75 MeV
D.57.14 MeV
Category: Chemical Engineering Mcqs
For pure air at atmospheric conditions the Schmidt number is
A.< 1
B.1
C.>1
D.>>1
Pyrometer which react to all wavelengths of incident radiant energy are known as
A.Optical pyrometers
B.Ddisappearing filament type pyrometers
C.Polarising pyrometers
D.Total radiation pyrometers
E.Multicolour pyrometers
Flue gas thermal conductivities at temperature TA TB and TC ?C were obtained as 0.020 0.030 and 0.040 Btu/(hr. ft2 ?F/ft) respectively. This means that
A.TA = TB = TC
B.TA < TB < TC
C.TA > TB > TC
D.TA > TC > TB
Least value of Prandlt number can be expected in case of
A.Liquid metals
B.Salt solution
C.Sugar solution
D.Water
E.Petroleum products
Hygrometer is used to measure
A.Convective heat transfer coefficient
B.Heat exchanged due to vapour
C.Density of liquids
D.Relative humidity
E.None of the above
An element zMA undergoes an ?-emission followed by two successive ?-emissions. The element formed is
A.zMA-3
B.zMA-4
C.zMA-2
D.zMA-6
The process in a nuclear reactor is
A.controlled nuclear fission
B.uncontrolled nuclear fission
C.controlled nuclear fusion
D.uncontrolled nuclear fusion
For the hydrolysis of methyl acetate in presence of acids
A.the order of reaction is 1 and molecularity is 2
B.the order of reaction is 2 and molecularity is 2
C.the order of reaction is 2 and molecularity is 1
D.the order of reaction is 1 and molecularity is 1
If the bubbles formed on a submerged hot surface get absorbed in the mass of liquid, the process of boiling is termed as
A.Nucleate boiling
B.Film boiling
C.Pool boiling
D.Any of the above
E.None of the above
