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Diesel Mechanic Practice Test: Emission Control
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Diesel Mechanic Practice Test: Emission Control
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25 Questions

1. Which one of the hydro carbon (HC) emitted due to lack ofoxygen?
2. What does EPA refers toenvironment?
3. What is the purpose of the EVAPcanister?
4. Which type of fuel is recommended for catalytic converter installedengines?
5. What is the effect of high sulphur content in fuel?
6. Which type of vehicle emissions is measured in“g/Kwh”?
7. Which pollutants reduces the oxygen flow in blood and is especially dangerous towards heart disease Related diseases ?
8. Which type of engine uses SCR for emission control?
9. Which emission react with other compounds in the atmosphere to produce photo chemicalsmog?
10. When does a fresh charge escapes from the petrol engineexhaust?
11. What is the source of emission of pollutants in the atmosphere ?
12. An automobile has ------ areas the emit pollutants in the atmosphere.
13. As a source of pollution, which engine produces high level nitrogen oxide ?
14. Which is a colourless, odourless tasteless and high toxicgas?
15. Fuel emits vapour through the…….
16. Which gas doesn’t burn and is emitted without any conversion in a petrol engine ?
17. What is acronym for SCR in emission controlsystem?
18. Which type of the emission control system that blow by gases are feed in to the inlet manifold of a runningengine?
19. What is the major constituents of blow by gas?
20. Which type of vehicle emission is measured in“g/Km”?
21. The amount of carbon monoxide in fuel according to Indian stage –IV standards-----
22. Where is connected the EVAP canister outlet?
23. How is half burnt air –fuel mixture emitted?
24. When was stage-IV standard implemented in India?
25. SCR denotes --------

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