@⇒ Environmental Engineering ⇒ Chemical Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?
A.	NO_x [Wrong Answer]
B.	Hg [Wrong Answer]
C.	SO₂ [Correct Answer]
D.	F [Wrong Answer]
View Answer 15 -6 Explanation:- Answer : C Discuss it below : Click here for more comments


Q2.	Main pollutants released from iron & steel industry is
A.	CO, CO₂ & SO₂. [Correct Answer]
B.	H₂S, NO & SO₃. [Wrong Answer]
C.	CO₂, H₂S & NO₂. [Wrong Answer]
D.	SO₃, NO₂ & CO₂. [Wrong Answer]
View Answer 10 -4 Explanation:- Answer : A Discuss it below : Click here for more comments


Q3.	Presence of excess flourine in water causes
A.	dental cavity [Wrong Answer]
B.	tooth decay [Wrong Answer]
C.	fluorosis [Correct Answer]
D.	respiratory disease [Wrong Answer]
View Answer 12 -3 Explanation:- Answer : C Discuss it below : Click here for more comments


Q4.	The widest explosive limit is of __________ , thereby making it the most explosive gas.
A.	acetylene [Correct Answer]
B.	petrol vapor [Wrong Answer]
C.	hydrogen [Wrong Answer]
D.	carbon monoxide [Wrong Answer]
View Answer 11 -4 Explanation:- Answer : A Discuss it below : Click here for more comments


Q5.	Most of the atmospheric air pollutants are present in large quantity in
A.	stratosphere [Wrong Answer]
B.	thermosphere [Wrong Answer]
C.	trophosphere [Correct Answer]
D.	mesosphere [Wrong Answer]
View Answer 9 -4 Explanation:- Answer : C Discuss it below : Click here for more comments

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