Which of the following is actually associated with CNG

(1) Cheaper

(2) Cannot be adulterated

(3) Burns more efficiently

(4) All of these

Subtopic:  Air Pollution |
 98%
Level 1: 80%+
Hints

Which of the following is not used for controlling air Pollution in Delhi?

(1) Phasing out of old vehicle

(2) Use of unleaded petrol

(3) Use of low sulphur petrol and diesel

(4) Use of electrostatic precipitator in Vehicles

Subtopic:  Air Pollution |
 83%
Level 1: 80%+
Hints

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

Subtopic:  Air Pollution |
Level 4: Below 35%
Hints

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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

Subtopic:  Air Pollution |
 57%
Level 3: 35%-60%
Hints

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

Subtopic:  Air Pollution |
 78%
Level 2: 60%+
Hints

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

Subtopic:  Air Pollution |
 62%
Level 2: 60%+
Hints

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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

Subtopic:  Air Pollution |
 70%
Level 2: 60%+
Hints

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%

Subtopic:  Water Pollution: I | Water Pollution |
 79%
Level 2: 60%+
Hints

The impurities of sewage actually has

(1) Suspended solids

(2) Colloidal material

(3) Dissolved material

(4) All of these

Subtopic:  Water Pollution: I | Water Pollution |
 97%
Level 1: 80%+
Hints

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Which of the following is not a part of suspended solids in waste water?

(1) Sand

(2) Silt

(3) Clay

(4) Fecal matter

Subtopic:  Water Pollution: I | Water Pollution |
 76%
Level 2: 60%+
Hints