Related Questions

Removal of oil and grease from sewage, is known
A Screening
B Skimming
C Filtration
D None of these
If the sewage contains grease and fatty oils, these are removed in
A Grit chambers
B Detritus tanks
C Skimming tanks
D Sedimentation tanks
Oil and grease present in an emulsified state in waste water discharged from industries can be removed by
A Biological oxidation
B Skimming off
C Settling out using chemical reagents
D Chlorination
Penetration test on bitumen is used for determining its
A Grade
B Viscosity
C Ductility
D Temperature susceptibility
Panel test determines the __________ of refractories.
A Fusion point
B Spalling resistance
C Slag penetration resistance
D Refractoriness under load (RUL)
Spray test determines the __________ of refractories.
A Resistance to slag penetration
B Resistance to CO attack
C RUL
D Permanent linear change
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.
A 2.5
B 0.5
C 10
D 20
The name given to the test that determines whether a machine can think is the:
A Gaussian test
B McCarthy test
C Turing test
D Boolean test
E None of the above
Soundness test of cement determines
A Quality of free lime
B Ultimate strength
C Durability
D Initial setting
Float and sink test determines the possibility of cleaning of coal by a process based on the
A Gravity separation
B Wettability
C Particle shape
D None of these

Next steps