Grinding cost is maximum when
A.phosphate rock is ground to -200 mesh
B.phosphate rock is ground to -150 mesh
C.phosphate rock is ground to -100 mesh
D.phosphate rock is ground to -20 mesh
Category: Chemical Engineering Mcqs
The compressibility factor (Z) of a gas is defined as
A.the ration of the actual volume of the gas to the volume predicted by ideal-gas law
B.the ratio of the volume predicted by ideal-gas law to the actual volume of the gas
C.the difference between the actual volume of the gas and the volume predicted by ideal-gas law
D.none of the above
The density of nucleus is about
A.10-10 times the density of atom
B.1012 times the density of atom
C.10-8 times the density of atom
D.1010 times the density of atom
For an ideal monoatomic gas the specific heats ratio is
A.1.4
B.1.67
C.1.33
D.1
The general formula of aromatics is
A.CnH2n
B.CnH2n+2
C.CnH2n-6
D.CnH2n-4
What whould be shape of an ideal thermometer?
A.Spherical
B.Cylindrical
C.Cubical
D.Rectangular
Thermal diffusivity is
A.A mathematical formula only
B.A physical property of the material
C.A configuration for heat conduction
D.A dimensionless parameter
E.A function of temperature
India conducted an underground nuclear test at
A.Pushkar
B.Kalapakkam
C.Norora
D.Pokharan
The voltage required for good desalting of curde petroleum is approximately
A.1000 volts per inch of distance between electrodes
B.2000 volts per inch of distance between electrodes
C.3000 volts per inch of distance between electrodes
D.4000 volts per inch of distance between electrodes
