The Factors That effect the Detonation - Multiple Choice Questions and Answer

The Factors That effect the Detonation - Multiple Choice Questions and Answer Points : the factors that effect the detonation, mcqs, evaluation, objective type question and answer, multiple choice questions and answer 1. Detonation and pre-ignition are the same conditions of abnormal combustion
a) Yes
b) No

2. Octane rating of a given grade of gasoline is a measure of its
a) Detonation resistance
b) Pie-ignition resistance

3. Engines with higher compression ratio (over 9:1), turbochargers, supercharges or with accumulated carbon deposits in combustion chamber may require 89 or higher-octane fuel.
a) True
b) False

4. Compression ratios over 10.5:1 may create detonation problem even with 93 octane perineum gasoline.
a) True
b) False

5. Is the following grading true or false.
a) Premium gasoline 85 octane = High octane
b) High antiknock
c) Regular gasoline 95 octane = Low octane

6. A hot engine is more likely to suffer knock than one, which round at normal temperature.
a) True
b) False

7. A squish piston better control the knocking.
a) True
b) False

8. If a low octane fuel is put into a high compression cylinder what will happen.
a) It will not start
b) It will not crack role
c) It will start knocking

9. Spark knock is generally understood to cause by
a) Timing Problem
b) Higher Compression Ratio
c) High speed of engine

10. Spark knock and pre-ignition produce about the same symptoms pinging under load.
a) Yes
b) No