Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich outcome occurs when a catalytic converter deactivates?
A)Increased harmful exhaust emissions result✓
B)Improved engine fuel efficiency happens
C)Decreased engine operating temperature occurs
D)Enhanced regulation of air-fuel ratio happens
💡 Explanation
Increased harmful exhaust emissions result because catalyst deactivation reduces oxidation-reduction efficiency. This is due to catalyst poisoning, rather than improved fuel efficiency or regulation, because those require a fully functional converter.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which mechanism causes increased drag when a vehicle exceeds a critical Reynolds number?
- Which effect increases when an accelerometer experiences constant thrust?
- Which consequence results when a high-powered laser vaporizes fuel with particulate matter?
- Which mechanism allows current flow between two isolated conductors separated by a thin insulator?
- Which effect increases when lubricating oil viscosity sharply decreases within a high-speed gearbox?
- Which risk increases when a substation transformer exceeds design voltage?
