Ash content of a diesel fuel should not exceed
A.10%
B.1%
C.0.50%
D.0.01%
Category: Environmental Engineering Mcqs
Plants that grow in absence of sublight in water, are called
A.Algae
B.Shrubs
C.Fungi
D.Any of the above
E.All of the above
In power plant an electrostatic precipitators is installed between
A.Forced draft fan and furnace
B.Furnace and chimney
C.Primary air and secondary air
D.Induced draft fan and forced draft fan
E.Air preheater and water treatment plant
The rate at which atoms of radioactive sources disintegrate is measured in terms of
A.Cuire
B.Atomic number
C.Wavelength
D.Frequency
The process of kolling at the pathogenic bacteria of water-borne diseases to make it safe for hospital use, is known as
A.Zeoliting
B.Debacterialisation
C.Sterilization
D.Aeration
E.Chlorination
Which one among the following terms best describes the method of converting a spherical surface into a plane surface?
A.Photogrammetry
B.Projection
C.Cartography
D.Geodesy
Carbondioxide has all the following properties EXCEPT that it is :
A.colourless
B.odourless
C.tasteless
D.readily soluble in water
Which of the following area of work needs lowest level of illumination?
A.Engraving
B.Cloth inspection
C.Assembly of instrument
D.Paper converting processes
Water gas is a mixture of
A.CO and H2
B.N2 and H2
C.CO2 and N2
D.SO2, CO2 and N2
How many kg of air will contain one kg of oxygen?
A.1 kg
B.4.35 kg
C.8.70 kg
D.12.5 kg
