Related Questions

The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by
A TOD > BOD > COD
B TOD > COD > BOD
C BOD > COD > TOD
D COD > BOD > TOD
The type of water filter normally employed/ preferred for treating small quantities of water in railway stations and individual industries is the __________ filter.
A Rapid sand
B Pressure
C Gravity
D Slow sand
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
The term Biological Oxygen Demand (BOD) is used in relation to
A Potable water
B Cooling water
C Distilled water
D Industrial effluents
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.
A 1 to 5
B 10 to 20
C 25 to 35
D 35 to 45
The coking process normally mostly used in Indian oil refineries is the __________ coking process.
A Delayed
B Flexi
C Fluid
D Contact
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is
A Black
B Silver grey
C Green
D Yellow
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of
A Carbon
B Arsenic
C Lead
D Sulphur
Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres.
A 100
B 1000
C 400
D 4000
Oxygen carrying pipelines in chemical industries are coloured with __________ colour.
A Yellow
B Black
C Blue
D Red

Next steps