Air Pollution and its Control
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BIOXII16: ENVIRONMENTAL ISSUES

345073 The velocity of air between the platesin a electrostatic precipitator must be ____ enough to allow the dust to fall. A scrubber can remove gases like ____

1 low, sulphur dioxide
2 low, carbon di oxide
3 high, sulphur dioxide
4 high, carbon di oxide
BIOXII16: ENVIRONMENTAL ISSUES

345074 Identify 1, 2, 3, 4 in the figure of electrostatic precipitator
supporting img

1 1- Negatively charged wire, 2- Clean air, 3- Dust particles, 4-Dirty air
2 1- Discharge corona, 2- negatively charged wire, 3- clean air, 4- dust particles
3 1-Dust particles, 2-Negatively charged wire, 3- Dirty air, 4-Discharge corona
4 1-Discharge corona, 2-Dust particles, 3-Clean air, 4-Negatively charged air
BIOXII16: ENVIRONMENTAL ISSUES

345046 Statement A :
In Delhi, according to an estimate, a substantial fall in \(\mathrm{CO}_{2}\) and \(\mathrm{SO}_{2}\) level has been found in Delhi between 1997 and 2009.
Statement B :
Bharat Stage IV is applicable for 4-wheelers and 2- wheelers throughout the country since April 2017.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345047 Electrostatic Precipitator (ESP)
I. Removes particulate matter from the exhausts of thermal power plants
II. It has a removal efficiency of \(99 \%\)
III. ESP has thin wires and stack of thin metal plates
Which of the statements given above are correct?

1 I and II
2 I and III
3 II and III
4 I, II and III
BIOXII16: ENVIRONMENTAL ISSUES

345048 Among the following which one causes maximum indoor chemical pollution?

1 Burning coal
2 Burning cooking gas
3 Burning mosquito coil
4 Room spray
NCERT Exemplar
NEET DIGITAL LIBRARY
BIOXII16: ENVIRONMENTAL ISSUES

345073 The velocity of air between the platesin a electrostatic precipitator must be ____ enough to allow the dust to fall. A scrubber can remove gases like ____

1 low, sulphur dioxide
2 low, carbon di oxide
3 high, sulphur dioxide
4 high, carbon di oxide
BIOXII16: ENVIRONMENTAL ISSUES

345074 Identify 1, 2, 3, 4 in the figure of electrostatic precipitator
supporting img

1 1- Negatively charged wire, 2- Clean air, 3- Dust particles, 4-Dirty air
2 1- Discharge corona, 2- negatively charged wire, 3- clean air, 4- dust particles
3 1-Dust particles, 2-Negatively charged wire, 3- Dirty air, 4-Discharge corona
4 1-Discharge corona, 2-Dust particles, 3-Clean air, 4-Negatively charged air
BIOXII16: ENVIRONMENTAL ISSUES

345046 Statement A :
In Delhi, according to an estimate, a substantial fall in \(\mathrm{CO}_{2}\) and \(\mathrm{SO}_{2}\) level has been found in Delhi between 1997 and 2009.
Statement B :
Bharat Stage IV is applicable for 4-wheelers and 2- wheelers throughout the country since April 2017.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345047 Electrostatic Precipitator (ESP)
I. Removes particulate matter from the exhausts of thermal power plants
II. It has a removal efficiency of \(99 \%\)
III. ESP has thin wires and stack of thin metal plates
Which of the statements given above are correct?

1 I and II
2 I and III
3 II and III
4 I, II and III
BIOXII16: ENVIRONMENTAL ISSUES

345048 Among the following which one causes maximum indoor chemical pollution?

1 Burning coal
2 Burning cooking gas
3 Burning mosquito coil
4 Room spray
NCERT Exemplar
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BIOXII16: ENVIRONMENTAL ISSUES

345073 The velocity of air between the platesin a electrostatic precipitator must be ____ enough to allow the dust to fall. A scrubber can remove gases like ____

1 low, sulphur dioxide
2 low, carbon di oxide
3 high, sulphur dioxide
4 high, carbon di oxide
BIOXII16: ENVIRONMENTAL ISSUES

345074 Identify 1, 2, 3, 4 in the figure of electrostatic precipitator
supporting img

1 1- Negatively charged wire, 2- Clean air, 3- Dust particles, 4-Dirty air
2 1- Discharge corona, 2- negatively charged wire, 3- clean air, 4- dust particles
3 1-Dust particles, 2-Negatively charged wire, 3- Dirty air, 4-Discharge corona
4 1-Discharge corona, 2-Dust particles, 3-Clean air, 4-Negatively charged air
BIOXII16: ENVIRONMENTAL ISSUES

345046 Statement A :
In Delhi, according to an estimate, a substantial fall in \(\mathrm{CO}_{2}\) and \(\mathrm{SO}_{2}\) level has been found in Delhi between 1997 and 2009.
Statement B :
Bharat Stage IV is applicable for 4-wheelers and 2- wheelers throughout the country since April 2017.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345047 Electrostatic Precipitator (ESP)
I. Removes particulate matter from the exhausts of thermal power plants
II. It has a removal efficiency of \(99 \%\)
III. ESP has thin wires and stack of thin metal plates
Which of the statements given above are correct?

1 I and II
2 I and III
3 II and III
4 I, II and III
BIOXII16: ENVIRONMENTAL ISSUES

345048 Among the following which one causes maximum indoor chemical pollution?

1 Burning coal
2 Burning cooking gas
3 Burning mosquito coil
4 Room spray
NCERT Exemplar
For More Updates join with Us
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BIOXII16: ENVIRONMENTAL ISSUES

345073 The velocity of air between the platesin a electrostatic precipitator must be ____ enough to allow the dust to fall. A scrubber can remove gases like ____

1 low, sulphur dioxide
2 low, carbon di oxide
3 high, sulphur dioxide
4 high, carbon di oxide
BIOXII16: ENVIRONMENTAL ISSUES

345074 Identify 1, 2, 3, 4 in the figure of electrostatic precipitator
supporting img

1 1- Negatively charged wire, 2- Clean air, 3- Dust particles, 4-Dirty air
2 1- Discharge corona, 2- negatively charged wire, 3- clean air, 4- dust particles
3 1-Dust particles, 2-Negatively charged wire, 3- Dirty air, 4-Discharge corona
4 1-Discharge corona, 2-Dust particles, 3-Clean air, 4-Negatively charged air
BIOXII16: ENVIRONMENTAL ISSUES

345046 Statement A :
In Delhi, according to an estimate, a substantial fall in \(\mathrm{CO}_{2}\) and \(\mathrm{SO}_{2}\) level has been found in Delhi between 1997 and 2009.
Statement B :
Bharat Stage IV is applicable for 4-wheelers and 2- wheelers throughout the country since April 2017.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345047 Electrostatic Precipitator (ESP)
I. Removes particulate matter from the exhausts of thermal power plants
II. It has a removal efficiency of \(99 \%\)
III. ESP has thin wires and stack of thin metal plates
Which of the statements given above are correct?

1 I and II
2 I and III
3 II and III
4 I, II and III
BIOXII16: ENVIRONMENTAL ISSUES

345048 Among the following which one causes maximum indoor chemical pollution?

1 Burning coal
2 Burning cooking gas
3 Burning mosquito coil
4 Room spray
NCERT Exemplar
NEET DIGITAL LIBRARY
BIOXII16: ENVIRONMENTAL ISSUES

345073 The velocity of air between the platesin a electrostatic precipitator must be ____ enough to allow the dust to fall. A scrubber can remove gases like ____

1 low, sulphur dioxide
2 low, carbon di oxide
3 high, sulphur dioxide
4 high, carbon di oxide
BIOXII16: ENVIRONMENTAL ISSUES

345074 Identify 1, 2, 3, 4 in the figure of electrostatic precipitator
supporting img

1 1- Negatively charged wire, 2- Clean air, 3- Dust particles, 4-Dirty air
2 1- Discharge corona, 2- negatively charged wire, 3- clean air, 4- dust particles
3 1-Dust particles, 2-Negatively charged wire, 3- Dirty air, 4-Discharge corona
4 1-Discharge corona, 2-Dust particles, 3-Clean air, 4-Negatively charged air
BIOXII16: ENVIRONMENTAL ISSUES

345046 Statement A :
In Delhi, according to an estimate, a substantial fall in \(\mathrm{CO}_{2}\) and \(\mathrm{SO}_{2}\) level has been found in Delhi between 1997 and 2009.
Statement B :
Bharat Stage IV is applicable for 4-wheelers and 2- wheelers throughout the country since April 2017.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII16: ENVIRONMENTAL ISSUES

345047 Electrostatic Precipitator (ESP)
I. Removes particulate matter from the exhausts of thermal power plants
II. It has a removal efficiency of \(99 \%\)
III. ESP has thin wires and stack of thin metal plates
Which of the statements given above are correct?

1 I and II
2 I and III
3 II and III
4 I, II and III
BIOXII16: ENVIRONMENTAL ISSUES

345048 Among the following which one causes maximum indoor chemical pollution?

1 Burning coal
2 Burning cooking gas
3 Burning mosquito coil
4 Room spray
NCERT Exemplar