Which organisms cause infections diseases?
A.Viruses
B.Worms
C.Protozoa
D.Fungi
E.All of the above
Category: Environmental Engineering Mcqs
On board ships, the source of drinking water may be
A.Rain water
B.Sea water
C.Desalted sea water
D.Pumped deep sea water
E.Any of the above
Curies is a measure of
A.biological effect of radiation which a man can sustain
B.the rate at which atoms of radioactive sources disintegrate
C.86 ergs of energy per gram of air
D.ions percent in an ionised gas
Which thermometer is used to indicate the lowest temperature?
A.Clinical thermometer
B.Alcohol thermometer
C.Resistance thermometer
D.Liquid thermometer
Which of the following gas has least proportion in atmospheric air?
A.Argon
B.Carbondioxide
C.Neon
D.Helium
Type of radiation expected from earbon 14 is
A.Alpha
B.Beta
C.Gamma
D.Alpha, Beta, Gamma
The first aid for a victim of electric shock is
A.bandage
B.sprinkling of water on the face
C.glass of milk and cold water
D.artificial respiration
Which of the following pollutant affects lungs?
A.Silica
B.Benzene
C.Lead
D.Aldrin
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
