Engineering Questions with Answers - Multiple Choice Questions
MCQs on Instrument Shop – Flight Recorders-2
1 - Question
What is the full form of CVR?
a) Crew voice recorder
b) Cockpit voice recorder
c) Cabin voice recorder
d) Central voice recorder
View Answer
b
Explanation: CVR refers to cockpit voice recorder. It is an instrument that preserves the recent history of sounds in the cockpit, including any conversation between the pilots.
2 - Question
Flight recorders are typically designed to withstand an impact of ___________
a) 3400g
b) 340g
c) 34,000g
d) 34g
View Answer
a
Explanation: Flight recorders are typically designed to withstand an impact of 3400g. This is so that the instrument is capable of surviving the conditions likely to be encountered in a severe aircraft accident.
3 - Question
Flight Data Recorder (FDR) is also known as ___________
a) Orange Box
b) Black Box
c) Red Box
d) Green Box
View Answer
b
Explanation: Flight data recorder; commercial aircraft cockpit data recorders are also commonly known as a “black box”, they store flight information and audio from the cockpit. They’re often recovered from a plane crash to determine the cause of the incident.
4 - Question
Since when have been flight data recorders, a mandatory requirement in commercial aircraft in the United States?
a) 1997
b) 1907
c) 1967
d) 2007
View Answer
c
Explanation: Since 1967, flight data recorders have been a mandatory requirement in commercial aircraft in the United States. The instruments are extremely critical for safe flying of aircrafts.
5 - Question
Which color paint is used to coat the exterior of the FDR?
a) Bright orange
b) Bright pink
c) Bright red
d) Bright black
View Answer
a
Explanation: Bright orange paint is used to coat the exterior of the FDR. The paint is heat resistant and provides high visibility in case of a wreckage.
6 - Question
Which of the following is not a channel used by CVRs?
a) Cargo
b) Pilot
c) Copilot
d) Crew
View Answer
a
Explanation: Cargo is not a channel used by CVRs. In total, there are 4 channels in a commercial type recorder: Pilot, Copilot, Crew, and Centre-Area. In case of a crash or mishap, the cumulative information from these channels is essential to evaluate the cause of the tragedy.
7 - Question
The FDR unit is usually mounted in the aircrafts ___________
a) Fuselage section
b) Nose section
c) Tail section
d) Wing section
View Answer
c
Explanation: The FDR unit is usually mounted in the aircrafts tail section. This is because, the FDR is most likely to survive a crash, if placed in this section.
8 - Question
What is the full form of FDAU?
a) Flight Data Analyzing Units
b) Flight Data Acquisition Units
c) Flight Drag Acquisition Units
d) Flight Drag Analyzing Units
View Answer
b
Explanation: FDAU refers to Flight Data Acquisition Units. These are units that record important flight parameters, including control and actuator positions, engine information and time of day.
9 - Question
How often are FDR verification checks performed?
a) Annually
b) Weekly
c) Monthly
d) Bi-weekly
View Answer
a
Explanation: FDR verification checks are performed annually. These verification checks or readouts are a requirement by aviation regulation authorities around the world.
10 - Question
Modern FDRs emits a radioactive “ping”.
a) False
b) True
View Answer
a
Explanation: False, modern FDRs emits an ultrasonic “ping”. This is to assist in detection when the instrument is submerged. The ping is emitted by an underwater locator beacon.