Discussion
Consider the following pairs of fuel change and its purpose:
Removal of lead - Allowing catalytic converters to survive
Reduction of sulphur - Allowing filters and reduction catalysts to work
Control of volatility - Limiting evaporative emissions
Raising aromatic content - Reducing particulate
How many of the pairs given above are correctly matched?
Answer: B
Correct answer: Only three
The first three pair each fuel change with what it enabled: lead removal for catalytic converters, sulphur reduction for filters and reduction catalysts, and volatility control for evaporative emissions.
The fourth has the sign wrong. Aromatics are limited rather than raised, because they promote soot formation and benzene emission. Every genuine fuel change in the list removes something; raising a constituent that makes particulate would be a step backwards.
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development