With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:

Question

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?

1. A. Only one
2. B. Only two
3. C. All the three
4. D. None (Correct answer)

Correct Answer

Option D — None

Detailed Solution & Explanation

The correct answer is None.

Key Points

• Not all UAVs can do vertical landing — fixed-wing UAVs require runway or catapult/arrested recovery (Statement I incorrect).
• Not all UAVs can hover — fixed-wing drones cannot hover in place (Statement II incorrect).
• Many UAVs use petrol, diesel, hydrogen, or solar power, not just batteries (Statement III incorrect).
• None of the three statements is correct.