[Xmat]

1. The CMP must be devised and maintained by,
A. Design organization
B. Manufacturer
C. Aircraft operator
2. Convert 19.75 decimal into binary.
A. 10011.11
B. 10010.11
C. 10100.11
D. 10011.01

3. Mark the correct statement.
A. Humidity is not related to the static charge.
B. When it is 65% humidity, it can generate 1.5 kilovolt when walking on a carpet. But if the humidity is 20%, it can generate 35,000 kilovolt.
C. The ESD present around a device is not harmful unless you touch the device and all the static charge is dissipated and it definitely destroys the device.

4. The resolution of LED is not more than,
A. 64 cell
B. 16 cell
C. 32 cell

5. In FADD, F stands for,
A. Floating
B. Floppy

6. When a light is passed through air, glass from air to glass, what happens?
A. Refraction
B. Reflection

7. In ARINC 429, how much bit is used in level field?
A. 32 bit
B. 16 bit
C. 8 bit

8. Periodic refreshment is required in
A. SRAM
B. DRAM
C. DROM

9. Write the full form of ECAM.
A. Electronic Centralized Aircraft Monitor
B. Electronic Crew Alerting Mechanism
C. Electronic Crew Avoidance Mechanism

10. How much colors are there in EFIS?
A. 2
B. 4
C. 6

11. The DAC used in a successive approximation ADC is usually:
A. ramp type
B. binary weighted type
C. successive approximation type

12. In the T arrangement, which of these instruments is not there?
A. Airspeed indicator
B. Engine Indicating and Crew Rating System
C. Gyro-slaved heading indicator

13. The main advantage of using a serial bus in an aircraft is:
A. there is no need for data conversion
B. it supports the highest possible data rates
C. Reduces size and weight

14. In level E failure,
A. Major failure
B. Minor failure
C. No effect

15. Lightning strike damage is minimum when,
A. The lightning has struck the aircraft and dissipated through a good conductor.
B. The lightning has struck the aircraft and dissipated through a good non-metallic structure.
C. It doesn’t affect the AKAL bonding.

16. Which of these is not an ESDS component?
A. PCB
B. Aircraft tire
C. Thin film resistor

17. The wrist band resistance should be
A. 1 megaohm
B. 1 ohm
C. 1 kiloohm
D. 1 gigaohm

18. The Traffic Alert and Collision Avoidance System (TCAS) provides traffic information through which of the following communication links?
A. Air-to-air correspondence
B. Ground-to-ground correspondence
C. Ground-to-air correspondence

19. Without the gates, the output is similar to negative AND.
A. NOR
B. AND
C. OR

20. The function of the final anode of a CRT is:
A. accelerating the electron beam
B. deflecting the electron beam
C. controlling the brightness of the display

21. Flight Management System (FMS)
A. Increases the workload
B. Automates the flight work and decreases the workload
C. Does not automate the flight work and increases the workload

22. Mark the correct statement about ESD.
A. Insulator should be out of the ESD area.
B. The static charge can be eliminated but cannot be controlled.
C. The conductor, the component should be grounded, but the person should not be grounded.

23. Logic, if logic gate has four input, how many combinations would be there in the input?
A. 16
B. 32
C. 12

24. The work of cladding in fiber optic is:
A. Guide the light in the core.
B. Protect the fiber optic.
C. Reduce the optical interference.
D. Ensure that the refractive index remains constant.

25. Factors necessary to produce EMI
A. Noise source
B. Means of coupling
C. Susceptible receiver
D. All of the above

26. EMI reduction
A. Suppress interference at source
B. Reduce noise coupling
C. Increasing susceptibility threshold
D. All of the above

27. To eliminate the EMI, which of the following is used?
A. Low pass filter
B. High pass filter
C. Low pass rectifier

28. Maximum frequency limit of optical fiber is:
A. 1 megahertz
B. 1 gigahertz
C. 40 megahertz
D. 40 gigahertz

29. Fly-by-wire, mark the correct statement.
A. The pilots give the mechanical input which goes to the electrical, which is converted electrical and which goes to the computer.
B. Pilots give mechanical input which goes to the hydraulic, which goes to the computer.
C. Wire is not used in fly-by-wire.

30. An Analogue-to-Digital converter is based on voltage steps of:
A. 1^N
B. 2^N
C. 3^N
D. 4^N

31. ESD is maximum when which of these two triboelectric series materials are rubbed?
A. Negative and neutral
B. Positive and neutral
C. Negative and positive

32. Convert 423 decimal into hexadecimal.
A. 1A7
B. 7A1
C. 1B7
D. 7B1

33. EICAS — Mark the correct statement.
A. The work of EICAS is that it records the parameter of the failure and makes a report.
B. Only pilot can see the failure.
C. Only the aircraft maintenance personnel can see the failure.

34. MIL-STD-1553B has a bit rate of how much?
A. One megabyte per second
B. 10 megabytes per second
C. 100 megabytes per second

35. Automatic Test Equipment (ATE)
A. It usually incorporates computer control with display that indicates what further action is necessary in order to maintain the equipment.

36. The size of single face double layer DVD is:
A. 8.5 gigabytes
B. 9.5 gigabytes
C. 10.5 gigabytes

37. Which of these means, which of these is equal, is to find the information?
A. Random memory
B. Parallel memory
C. Sequential memory

38. Which of these provide a zero output when both the inputs are one?
A. XOR gate
B. NAND
C. NOR

39. In-flight entertainment system, the latest in-flight entertainment system of technology provides:
A. Audio
B. Audio and visual
C. Audio, video, mobile communication, and internet access

40. Convert 000, 111, 11 into hexadecimal.
A. 1F
B. F1
C. F2
D. 2F

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