Quizzes for review

A fuel gas that is manufactured from material such as coal or wood by partial combustion with air, usually modified by injection of water or steam to maintain a constant temperature and obtain a higher heat content gas by enrichment of air gas with hydrogen.

音声機能が動作しない場合はこちらをご確認ください
See correct answer

producer gas

The old locomotive was converted to run on producer gas, a low-cost fuel made by partially burning coal and enriching the resulting gas with steam to increase its heating value.

See correct answer

The old locomotive was converted to run on producer gas, a low-cost fuel made by partially burning coal and enriching the resulting gas with steam to increase its heating value.

音声機能が動作しない場合はこちらをご確認ください

English - English

Word Edit Setting
  • Users who have edit permission for words - All Users
  • Screen new word creation
  • Screen word edits
  • Screen word deletion
  • Screen the creation of new headword that may be duplicates
  • Screen changing entry name
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Sentence Edit Setting
  • Users who have edit permission for sentences - All Users
  • Screen sentence deletion
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Quiz Edit Setting
  • Users who have edit permission for quizzes - All Users
  • Users authorized to vote on judging - Editor
  • Number of votes required for decision - 1
Editing Guideline

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★