Q. With reference to the black box found in an aircraft, consider the following statements:
1.It is a black-painted flight recorder machine that records information about an aircraft during its flight.
2.Every aircraft has two such black boxes inside it.
3.Metals like steel or titanium are used to manufacture the body of a black box so that it can survive the crashes.
How many of the above statements are correct?
Answer: B
Notes:
Explanation: Statements 2 and 3 are correct
Statement 1 is incorrect: Black Box is a small machine that records information about an aircraft during its flight. It is basically a flight recorder. This bright orange or yellow rectangular box is crafted to withstand explosions, fire, water pressure, and high-speed crashes.
Statement 2 is correct: Black boxes in an aircraft: Every commercial aircraft carries two such recorders – the cockpit voice recorder (CVR) and the flight data recorder (FDR).
Statement 3 is correct: It is made of strong substances such as steel or titanium and is insulated from factors such as extreme heat and cold.
Source: The Mint
