MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_FUEL_DETONATES_READILY??$ |
| A. | Benzene |
| B. | Iso-octane |
| C. | Normal heptane |
| D. | Alcohol |
| Answer» D. Alcohol | |
| 2. |
The_knocking_tendency_in_spark_ignition_engines_can_be_decreased_by_adding_dopes_like_tetra_ethyle_lead_and_ethylene_dibromide.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following fuel has little tendency towards detonation? |
| A. | Benzene |
| B. | Iso-octane |
| C. | Normal heptane |
| D. | Alcohol |
| Answer» C. Normal heptane | |
| 4. |
Anti-knock for compression ignition engines is |
| A. | napthene |
| B. | tetra ethyl lead |
| C. | amyl nitrate |
| D. | hexadecane |
| Answer» D. hexadecane | |
| 5. |
A mixture containing 65% of iso-octane and 35% of normal heptane will have |
| A. | cetane number 65 |
| B. | octane number 65 |
| C. | cetane number 35 |
| D. | octane number 35 |
| Answer» C. cetane number 35 | |
| 6. |
The two reference fuels used for cetane rating are |
| A. | cetane and iso-octane |
| B. | cetane and alpha-methyl naphthalene |
| C. | cetane and normal heptane |
| D. | none of the mentioned |
| Answer» C. cetane and normal heptane | |
| 7. |
A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of |
| A. | 75% iso-octane and 25% normal heptane |
| B. | 75% normal heptane and 25% iso-octane |
| C. | 75% petrol and 25% diesel |
| D. | 75% diesel and 25% petrol |
| Answer» B. 75% normal heptane and 25% iso-octane | |
| 8. |
The normal heptane(C7H16) is given a rating of ____________ octane number. |
| A. | 0 |
| B. | 50 |
| C. | 100 |
| D. | 120 |
| Answer» B. 50 | |