Which of the following pollutant affects lungs?
A.Silica
B.Benzene
C.Lead
D.Aldrin
Category: Environmental Engineering Mcqs
The aeration of water is done for the removal of
A.Colour
B.Turbidity
C.Bacteria
D.Odour
E.Hardness
Electric fuses provide protection against
A.sparking
B.overloads
C.single phasing
D.low current and voltage
Electrostatic precipitators are largely used in
A.water treatment plants
B.sewage disposal plants
C.Thermal power plants
D.nuclear power plants
The desirable temperature inside an air conditioned auditorium is
A.0?C
B.5?C
C.10?C
D.20?C
The process of removal of permanent hardness of water is
A.Zeolite process
B.Sedimentation process
C.Filtration process
D.Boiling process
E.Lime process
Acute poisoning may be the result of entry into the body of large of concentrated doses of poison through
A.Breathing
B.Swalowing
C.Skin absorption
D.Injection
E.Any of the above
All of the following pollutants are produced as a result of decaying organic matter EXCEPT
A.Ammonia
B.Sulphur dioxide
C.Methane
D.Hydrogen sulphide
BF3 counter can detect which of the following radiations?
A.Alpha particles
B.Neutrons
C.X-rays
D.Beta rays
While smoke from a diesel engine can be expected during
A.Start up or idling
B.High load operating
C.High speed operation
D.All of the above
E.None of the above
