881UPSC1997General ScienceEnglish
Which one of the following has the highest fuel value?
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Correct option: A — Hydrogen
Free · past papers · answers included
General Science MCQ practice free online · page 89
Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.
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- 882UPPSC2009General ScienceEnglish
Octane number is a measure of the quality of
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Correct option: B — Petrol
- 883UPPSC1990General ScienceEnglish
Which of the following is a natural fuel?
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Correct option: D — Petroleum
- 884UPPSC2014General ScienceEnglish
Which of the following fossil fuels is the cleanest fuel?
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Correct option: C — Natural gas
- 885UPPSC2015General ScienceEnglish
Cetane number is used as a quality parameter mainly for which of the following?
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Correct option: C — Diesel
- 886UPPSC1994General ScienceEnglish
The fuel used in a diesel engine
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Correct option: A — Vapour of diesel and air
- 887BPSC2000General ScienceEnglish
Cooking gas is mainly
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Correct option: C — Methane
- 888UPPSC2016General ScienceEnglish
Which one of the following gases, released from biogas plant is used as a fuel gas?
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Correct option: C — Methane
- 889UPPSC2010General ScienceEnglish
Biogas mainly consists of
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Correct option: C — Cardon dioxide and Methane
- 890UKPSC2012General ScienceEnglish
The main component of biogas is
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Correct option: B — Methane
General Science practice — common questions
Page 89 of this set has 10 questions on it.
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Where do these General Science MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".