Top 50+ Solved Engine Emission and their Control MCQ Questions Answer
Q. Which stage of vehicle emission norms presently applicable in India in Internal CombustionEngine?
a. Bharat Stage V
b. Bharat Stage IV
c. Bharat Stage III
d. Bharat Stage II
Q. Which of the following is one of the major exhaust emissions from CI engines compared toSI engines?
a. Oxides of nitrogen
b. Particulates
c. CO and CO2
d. Unburnt hydrocarbon
Q. Which of the following causes the photochemical smog?
a. Excess O2
b. CO and CO2
c. Soot and particulate matter
d. NOx and HC
Q. During which condition of the vehicle does NOx emission in SI engine will be lowest?
a. Cruising
b. Idling
c. Accelerating
d. Decelerating
Q. For what purpose is the Rhodium used?
a. To reduce CO and HC
b. To reduce NOx
c. To reduce CO
d. To reduce HC
Q. Why are lead compounds added in petrol?
a. Reduce knocking
b. Reduce HC emission
c. Reduce exhaust temperature
d. Increase power output