Why Do Steam Locomotives Puff Black Smoke?
A The color of exhaust you see coming out of a steam locomotive's smoke stack indicates how efficiently it is burning fuel. Darker or blacker smoke is an indication that small fuel particles (coal, wood, fuel oil, etc.) have made it through the firebox unburned and are therefore wasted.
What is the smoke that comes out of a train?
The chimney (smokestack or stack in American and Canadian English) is the part of a steam locomotive through which smoke leaves the boiler. Steam locomotive exhaust systems typically vent cylinder exhaust through the chimney to enhance draught through the boiler.
Chimney (locomotive) - Wikipedia
What was the reason for the white smoke in locomotives?
White Smoke: White smoke coming from the exhaust usually points to one point of failure: the injectors. Usually, white smoke indicates that the diesel fuel is not burning correctly. Unburned diesel fuel will make its way through the exhaust completely unused.
Causes of Diesel Engine Smoke - By Color - Capital Reman Exchange
Why do steam engines chug?
Each ''chug'' is the noise made by escaping steam as the engine's valve gear releases steam at the end of one stroke of one cylinder. For example, in a two-cylinder steam locomotive, the connecting rods turn the driving wheels at one revolution per complete cylinder cycle.
Q&A - The New York Times
Why do steam locomotives puff smoke?
The puff, chuff, or cho of a steam locomotive is caused by the last pressure of steam in the cylinders being exhausted into the chimney. The purpose of this is to create draught through the firebox.
Why do steam trains go puff puff? - Quora