A
Kerosene and dinitrogen tetroxide
B
Solid aluminum powder and ammonium perchlorate
C
Liquid methane as fuel and liquid oxygen as oxidiser
D
Liquid hydrogen and liquid fluorine
Correct answer: (c) Liquid methane as fuel and liquid oxygen as oxidiser
Explanation
Option C is correct because Methalox specifically designates a rocket propellant combination using liquid methane as fuel and liquid oxygen as oxidiser. Options A, C, and D describe alternative chemical propellants not associated with this definition.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
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2018 · Q95 · General Studies · 2 marks
With reference to India's satellite launch vehicles, consider the following statements: 1. PSLVs launch the satellite useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location in Earth. 3. GSLV Mk III is a four-staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines. Which of the statements given above is/are correct? -
2022 · Q34 · General Studies · 2 marks
Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media?