Oxides of nitrogen in Petrol engine exhaust can be reduced by the foll – McqOptions

MCQOPTIONS

1.	Oxides of nitrogen in Petrol engine exhaust can be reduced by the following methods:1. Use of 5% lean mixture2. Advancing the spark timing3. Recirculating a fraction of exhaust gas4. Using an oxidation catalyst in the exhaust manifoldWhich of the above statements is/are correct?
A.	1 and 2
B.	2 only
C.	3 and 4
D.	3 only
Answer» E.

Discussion

No Comment Found

Related MCQs

Oxides of nitrogen in Petrol engine exhaust can be reduced by the following methods:1. Use of 5% lean mixture2. Advancing the spark timing3. Recirculating a fraction of exhaust gas4. Using an oxidation catalyst in the exhaust manifoldWhich of the above statements is/are correct?
Oxides of nitrogen in the engines exhaust can be reduced by the following methods:1. Decrease in compression ratio2. Exhaust gas recirculation3. Use of 5% lean mixture4. Use of oxidation catalysts in exhaust manifold.The correct methods are
In Diesel engines, the control of black smoke in the exhaust can be achieved by:1) Running the engine at lower load.2) Maintaining the injection system perfect.3) Using Diesel fuel of higher Cetane number.Which of the above statements are correct?
Pune-based organisation________ conducted a study using a 15% M - 15 methanol blend in vehicles and tested them for 3,000 km to evaluate emissions in real-world conditions as well as to check the performance of the vehicles.