UPSC 2025 › Science & Technology › Defence Technology
3 questions · 2025 · answers as per the UPSC key
UPSC 2025 · Q42 · Science & Technology › Defence Technology · Save
With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All types of UAVs can use battery only as a source of power supply.
How many of the statements given above are correct?
(a) Only one
(b) Only two
(c) All the three
(d) None
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Answer: (d) None
UPSC 2025 · Q46 · Science & Technology › Defence Technology · Save
What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?
(a) These are alternatives to hydrofluorocarbon refrigerants
(b) These are explosives in military weapons
(c) These are high-energy fuels for cruise missiles
(d) These are fuels for rocket propulsion
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Answer: (b) These are explosives in military weapons
UPSC 2025 · Q84 · Science & Technology › Defence Technology · Save
With reference to India’s defence, consider the following pairs : I. II. III.
How many of the pairs given above are correctly matched?
(a) Only one
(b) Only two
(c) All the three
(d) None
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Answer: (b) Only two