The speed of sound through water is nearly
A.344 m/s
B.750 m/s
C.1500 m/s
D.3000 m/s
Category: Environmental Engineering Mcqs
Bit is the unit of
A.Amount of rain recorded
B.Memory of computer
C.Quantity of electricity
D.Intensity of an earthquake
E.None of these
A fuel of octane rating 85 matches the antiknock qualities of a mixture consisting of
A.85% petrol + 15% diesel
B.15% petrol + 85% diesel
C.85% benzene + 15% methyl chloride
D.85% octane + 15% heptane
Which of the following is a cold cathode lamp?
A.Sodium vapour lamp
B.High pressure mercury vapour lamp
C.Low pressure mercury vapour lamp
D.Neon lamp
Term REM is used for
A.solar radiation
B.flame photography
C.radiation exposure
D.none of the above
Which of the following is unlikely to be the pollutant from a sulphuric acid plant?
A.Sulphur dioxide
B.Sulphur trioxide
C.Acid mist
D.Hydrogen sulphide
E.All of the above
In the jet propulsion, efficiency of the propulstion depends upon
A.The speed of the vehicle
B.Height at which the vehicle is travelling
C.Density of the medium in which the vehicle is travelling
D.All of the above
Which of the following is/are renewable sources of energy?
A.Fall or flow of water
B.Sun
C.Wood
D.All of the above
Corrosive action of water could be due to its
A.alkalinity
B.hardness
C.dissolved oxygen
D.Any of the above
For the combustion of 1 kg of carbon, the quantity of oxygen required is
A.2.62 kg
B.3.67 kg
C.8 kg
D.11.6 kg
