IC Engine Mock Test 8

10%

Question 1 of 10

1. Diatomic oxygen is highly reactive and initiates a number of different reactions.

True

False

Question 1 of 10

Question 2 of 10

2. The amount of flow in EGR, can be as high as ____________ of the total intake.

20%

40%

35%

30%

Question 2 of 10

Question 3 of 10

3. ____________ is collected during engine startup time when the catalytic converter is cold, and then later released back into the exhaust flow when the converter is hot.

H₂O

CO₂

Question 3 of 10

Question 4 of 10

4. A charcoal canister is used for trapping gasoline vapours.

False

True

Question 4 of 10

Question 5 of 10

5. The thermo-syphon cooling system can be used in high output engines due to its inability to meet the requirement of large flow rates of water.

False

True

Question 5 of 10

Question 6 of 10

6. The operation of the purge control valve is taken care of by the exhaust ____________ pressure.

none of the mentioned

front

back

middle

Question 6 of 10

Question 7 of 10

7. The blowby HC emissions are about 30% of the total HC emission from the engine.

True

False

Question 7 of 10

Question 8 of 10

8. The warm-up performance of air-cooled engine is not better.

True

False

Question 8 of 10

Question 9 of 10

9. Platinum and palladium catalyst promotes the removal of _____________ of the gaseous CO in the exhaust.

50-100%

40-90%

30-80%

none of the mentioned

Question 9 of 10

Question 10 of 10

10. What are the major pollutants emitted from the exhaust due to incomplete combustion?

hydrocarbons

all of the mentioned

carbon monoxide

oxides of nitrogen

Question 10 of 10