A fuel gas consisting mainly of carbon monoxide and hydrogen, made by passing steam over incandescent coke.
- ‘In the form of producer gas or water gas, it is widely used as a fuel in industrial operations.’
- ‘Accordingly, it is an object of the present invention to provide an effective furnace utilizing water gas as a fuel.’
- ‘Water gas had a lower calorific value than coal gas so the calorific value was often boosted by passing the gas through a heated retort into which oil was sprayed.’
We take a look at several popular, though confusing, punctuation marks.