The pH value of sea water is usually
A.1
B.Between 3 and 5
C.Between 5 and 7
D.Between 8 and 8.3
E.Between 13.7 and 14
Category: Environmental Engineering Mcqs
Which of the following turbidimeter gives direct readings in ppm
A.Jackson turbidimeter
B.Hellige turbidimeter
C.Baylis turbidimeter
D.All of the above
E.None of the above
The discharge of hydrocarbons from automobile exhaust is maximum when the vehicle is
A.Idling
B.Cruising at low speeds
C.Accelerating
D.Decelerating
E.Cruising at high speeds
Which organisms cause infections diseases?
A.Viruses
B.Worms
C.Protozoa
D.Fungi
E.All of the above
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
