Introduction to Knock
Kickstart your understanding of the term ‘knock’ with this comprehensive guide.
What is a Knock?
A knock is a sharp tapping sound made by an object striking another object. It can be created intentionally or unintentionally and is typically associated with a firm and abrupt impact.
Types of Knocks
- Knock on the door
- Engine knock
- Knockout punch in boxing
Causes of Engine Knock
Engine knock, also known as detonation, occurs when the air-fuel mixture in the combustion chamber ignites before the spark plug fires. This can result in engine damage if not addressed promptly.
Examples of Knocks
1. Sarah heard a knock on the door and hurried to answer it.
2. The mechanic identified the engine knock and recommended using higher-octane fuel to prevent further damage.
Case Study: Engine Knock Solution
In a recent case, a car owner experienced engine knock while driving uphill. After consulting with a mechanic, the issue was resolved by adjusting the timing and using fuel additives to improve engine performance.
Statistics on Knocks
According to a survey conducted by Automobile Magazine, engine knock is one of the top concerns for vehicle owners, with 35% reporting experiencing it at some point.