Phases of Combustion - Multiple Choice Questions and Answer

Phases of Combustion - Multiple Choice Questions and Answer Points : Phases of Combustion, problems in internal combustion engines, ic, engine, auto diesel, mcqs, evaluation, objective type question and answer, multiple choice questions and answer 1. A octane number is opposite of gasoline.
a) Octane number
b) Viscosity number

2. A octane rating indicates the ______ starling ability of diesel fuel.
a) Cold
b) Delay

3. A spark plug would not ignite diesel fuel.
a) Properly
b) At all

4. If gasoline were used in a diesel it would.
a) Detonate
b) Explode the engine

5. Diesel in thick and hard to ignite.
a) True
b) False

6. Diesel knock is caused when fuel does not ignite quickly enough when injection begins.
a) True
b) False

7. ______ is the time it takes diesel oil to heat up, vaporizing and begin to burn.
a) Ignition lag
b) Diesel knock
c) Delay period

8. Higher the _________ rating faster is the burning of the ________ fuel.
Octane, gasoline

9. If delay period or lag time is too long there will be:
a) Louder than normal knock
b) Slower than normal knock

10. Ignition lag does affect diesel combustion.
a) True
b) False