What does CC or liter mean when describing the power of an engine

Welcome to all,
What does CC or liter mean when describing the power of an engine

What the Numbers Mean in Engine Specifications?
When you’re reading about cars, you’re going to run into engine specifications, i.e. a 2.0 liter 4-cylinder turbo producing 160 horsepower and 175 lb-ft of torque. Cylinders? Torque? What do all those numbers mean?
Let’s briefly see
1. What is Cylinder?
2. What is Displacement?
3. What is Turbochargers?
4. What is Horsepower?
5. What is Torque?

Ok, Lets go

What is Cylinder?
A cylinder is the power unit of an engine; it’s the chamber where the gasoline is burned and turned into power.

Most cars and SUV engines have four, six, or eight cylinders. Generally, an engine with more cylinders produces more power, while an engine with fewer cylinders gets better fuel economy.

Cylinders will either be arranged in a straight line (an inline engine, i.e. “inline 4”, “I4” or “L4”) or in two rows (a V engine, i.e. “V8”).

WHAT IS MEANT BY ENGINE DISPLACEMENT (LITERS AND CUBIC CENTIMETERS)

Engines are measured by displacement, usually expressed in liters (L) or cubic centimeters (cc). Displacement is the total volume of all the cylinders in an engine. An engine with four cylinders of 569cc each totals 2276cc, and will be rounder off and referred to as a 2.3 liter engine. Larger engines tend to produce more power.

WHAT IS MEANT BY TURBOCHARGERS

A turbocharger is a device that is used to boost the power of an engine. A four-cylinder engine with a turbocharger can produce as much power as a six-cylinder engine, but uses less fuel when driven gently. (For more information, see How Turbochargers and Superchargers Work.) Engines with a turbo sometimes get a T after their displacement; “2.0T” denotes a 2-liter engine with a turbocharger.

WHAT ARE THE HORSEPOWER AND TORQUE?
Horsepower and torque measure the amount of power an engine develops, with horsepower being the most commonly-used measurement. The difference between horsepower and torque is widely misunderstood (and difficult to explain).
Torque, which is measured in pound-feet (lb-ft or ft-lbs), measures pulling power; when you step on the gas pedal and the seat pushes into your back, you are feeling torque. Trucks need lots of torque to get their heavy loads moving. Horsepower is a function of torque and engine speed (RPM), and indicates how much sustained work the car can do. Racing cars need high horsepower to maintain high speeds. Generally, bigger-displacement engines develop more torque, but small engines can spin faster, which increases their horsepower output.

All that said, other factors, such as how much the car weighs, will affect acceleration. How the vehicle feels when you drive it is more important than the horsepower and torque ratings.
Thanks
Mech Plaza aka பட்டறை

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