Q. No.What does the more stringent norms for fuel mean?
(1) Reducing sulphur and aromatic content in petrol and diesel fuel
(2) Reducing lead in petrol
(3) Increasing CNG use
(4) All of these
(1) Reducing sulphur and aromatic content in petrol and diesel fuel
(2) Reducing lead in petrol
(3) Increasing CNG use
(4) All of these
According to Euro III norms, Sulphur can be controlled at...a…... in diesel while to …b…... in petrol
(1) a-50 ppm
(2) a-150 ppm
(3) b-150 ppm
(4) a-200 ppm
Aromatic hydrocarbons should be 42 per cent of the concerned fuel. This was according to
(1) Euro II Norms
(2) Euro III Norms
(3) Euro IV Norms
(4) Euro I Norms
The goal according to roadmap is to reduce sulphur content to …….in petrol and diesel.
(1) 42 per cent
(2) 150 ppm
(3) 50 ppm
(4) 30 per cent
According to an estimate a substantial fall in carbon-dioxide and Sulphur dioxide level has been found in Delhi between
(1) 1997-2010
(2) 1997-2005
(3) 1990-1997
(4) 2005-2010
How much amount of impurities are present in waste water which make it unfit for human use?
(1) 0.01%
(2) 0.1%
(3) 0.2%
(4) 2%
The impurities of sewage actually has
(1) Suspended solids
(2) Colloidal material
(3) Dissolved material
(4) All of these
Which of the following is not a part of suspended solids in waste water?
(1) Sand
(2) Silt
(3) Clay
(4) Fecal matter
Which of the following is not a part of colloidal material in waste water?
(1) Fecal Matter
(2) Bacteria
(3) Cloth
(4) Silt and paper fibres
Biodegradable organic matter of domestic sewage is used as a substrate by
(1) Bacteria and Other microbes
(2) Industries
(3) Lichens
(4) All of these
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