Engineering Chemistry II Mock Test 5

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Question 1 of 10

1. Which of the following natural gas has the highest ignition temperature?

Natural gas obtained from coal fields

Natural gas obtained from sea

Natural gas obtained from oil fields

Natural gas obtained from rocks

Question 1 of 10

Question 2 of 10

2. At what temperature does the substitute natural gas is prepared?

More than 1700 ⁰C

500-800 ⁰C

1200-1650 ⁰C

100-400 ⁰C

Question 2 of 10

Question 3 of 10

3. H₂S is not present in natural gas.

False

True

Question 3 of 10

Question 4 of 10

4. Why is cresyl diphenyl phosphate added with petrol?

To increase the inductance period of the engine

To decrease the inductance period of the engine

To decrease the electrical conductivity of lead compounds

To increase the electrical conductivity of lead compounds

Question 4 of 10

Question 5 of 10

5. Which of the following does the catalytic converter consist for reduction of emissions from petrol driven vehicles?

Radioactive element support

Ceramics support

Non-metal support

Gels and sols support

Question 5 of 10

Question 6 of 10

6. What amount of lead is permissible for unleaded gasoline in India?

21 mg/L

17 mg/L

10 mg/L

13 mg/L

Question 6 of 10

Question 7 of 10

7. What is the work of TEL in addition in petrol engine?

It decreases the induction period by 50 %

It increases the induction period by 50-100 %

It increases the induction period by 400-500 %

It increases its induction period by 200-300 %

Question 7 of 10

Question 8 of 10

8. At most how much ml of TEL can be added, so as to increase the octane rating of aviation fuel?

15 ml per gallon

9 ml per gallon

7 ml per gallon

5 ml per gallon

Question 8 of 10

Question 9 of 10

9. From which of the following natural gas is majorly obtained?

From sun

From oil fields

From coal fields

From seas

Question 9 of 10

Question 10 of 10

10. Which of the following compound produces the least knocking?

Olefin

Diesel

Benzyl

Paraffin

Question 10 of 10