Module 5 (B2) Module 5 (B2) quiz contains 72 question based on the syllabus for module 5 examination for B2 category. The time limit for the quiz is 90 min. The number of attempts allowed are unlimited. All the best. Name 1. In order to maintain HIRF protection, bonding checks between airframe and electrical components carrying voltages greater than 50 volts RMS or DC or main earth return should not exceed: 1 ohm 0.05 ohm 1 mega ohm 2. The physical bus media specified in ARINC 629 is: shielded twisted pair coaxial cable fiber optic 3. The three beams in a color CRT are associated with the colors: green, blue and yellow red, yellow and blue red, green and blue 4. The EFIS fitted to a large air raft usually consists of: a single multi-function display a primary display with several standby instruments. separate primary flight and navigation displays 5. A typical fiber optic connector is: coupling type, with lens fitted F-type connector push-pull connector 6. The octal number 73 is equivalent to the decimal number: 59 111 47 7. To shield a fiber optic from EMI you must: earth both transducer and couplings use an opto-isolator shield it with a braided shield 8. which one of the following devices is most susceptible to damage from stray static charges: a MOSFET transistor a TTL logic gate a power rectifier 9. A binary digit is: Bit. Word. Map. 10. The data bus is: A coaxial cable. A pair of twisted wires with shielding. A single wire. 11. Fly By Wire systems in the fully active mode, the actuators will: both be in damping mode, awaiting control inputs one in active mode, one in damping mode both be active 12. A software Configuration Management Plan (CMP) must be created and maintained by: the CAA or AA the relevant DO the aircraft operator 13. Each individual integrated circuit produced from a wafer is known as a: gate die blank 14. Control of software is by: engineers the National Aviation Authority the aircraft manufacturers 15. Which one of the following is used to minimize reflections present in a bus cable? coupler panels shielded twisted pair cables bus terminators 16. The physical bus media specified in MIL- STD-1773B is: coaxial cable shielded twisted pair fiber optic 17. The binary number 10110011 is equivalent to the hexadecimal number: 113 93 B3 18. An IRS platform has: three accelerometers two accelerometers two or three accelerometers depending on the system 19. Pitch Control of a fly by wire system is achieved by: stabilizer and elevator stabilizer only elevators only 20. The fiber optic link between, flight control computers and the actuator control electronics is: A single way system. A four root system. A two way system. 21. The most important characteristics of any microprocessor is: C.P.U. Memory capacity. Word length. 22. Engine parameters are displayed on: EHSI FMSCDU ECAM 23. What is the advantage of a single mode fibre optic over ordinary wire? Not prone to damage Large bandwidth Small bend radius 24. After executing the assembly language instruction MOV AX,07FEh the binary data in the AL register will be: 11111110 00000111 11101111 25. Electromagnetic deflection of a CRT uses: X- and Y-plates inside the CRT oils inside the CRT oils around the neck of the CRT 26. Engine parameters such as turbine speed, are displayed on: ECAM EADI. EHSI 27. Convert the binary number 110010 to decimal : 80 34 50 28. The display which produces light, when electrically activated is known as: Active display. Passive display. Fail passive display. 29. With radio coupled autopilot, what are the inputs: ADF and ILS ILS and VOR ADF and VOR 30. A four to one multiplexer has: Two select inputs one select input four select inputs 31. A semiconductor memory consists of 256 rows and 256 columns. The capacity of this memory will be: 256 bits 512 bits 64K bits 32. The accepted error from INS/IRS is: 1 mile/hour + 3 miles 2 miles per hour + 3 miles 3 miles / hour + 3 miles 33. Secondary heading information is obtained from: the compass the pitot-static system. the gyro 34. A bus that supports the transfer of data in both directions is referred to as: asynchronous universal bidirectional 35. Binary Number: 110010 : 50 80 34 36. The electromagnetic compatibility(EMC) stated that. The equipment must not exceed specified emission level for a wide range of radio frequencies. Or Must not be susceptible to external source of high level of radio frequency energy over very wide frequency band. All above answers are stated in EMC. The equipment must be able to withstand the very high electromagnetic pulse arising from lightning strikes. 37. The binary number 100010001 is equivalent to the octal number: 111 421 273 38. HIRF is prevented from entering a fiber optic cable by: enclosing it in a metal braid grounding the fiber at both ends using an opto-isolator coupling 39. Computer classified by hardware, as: Hybrid computer. Analog ,digital, hybrid computer. Analog computer. Ana Digital computer 40. The M.P.U. stands for: Microprocessor unit. Maintenance Power Unit Micro computer unit. 41. The maximum data rate supported MIL-STD- 1553 is: 12.5 Kbps 1 Mbps. 100 Kbps 42. Before an IRS can complete the alignment sequence : the shutdown present position must be entered either the last or current position must be entered the current present position must be entered 43. The DAC used in a successive approximation ADC is usually: ramp type successive approximation type. binary weighted type 44. IRS accelerometers are mounted: 90o to each other 60o to each other 45o to each other 45. On a Fly By Wire system, what controls the stab trim: ELAC and SEC ELAC SEC 46. The label field in an ARINC 429 data word consists of: eight bits five bits three bits 47. IRS alignment: takes up to 10 minutes and the present position can be entered at any time during alignment takes up to 10 minutes and the previous flight shut down present position is used for the alignment takes up to 10 minutes and present position must be entered before alignment. 48. The electrostatic charge or: Electrical energy at rest. Electrical energy, which has current flow. Electrical energy, which has no voltage. 49. The Aircraft control surface is driven by: Discrete Signal. Digital signal. Analog signal. 50. What warnings can an FMS provide? Ground faults only Spurious faults Discrete warnings 51. Basic air data instruments are: airspeed indicator, altimeter, and magnetic compass airspeed indicator, altimeter, and vertical speed indicator airspeed indicator, vertical speed indicator, and artificial horizon. 52. The inputs and outputs of a CADC are: pitot in; static, altitude, mach, CAS and VS out pitot and static in; altitude, CAS, mach and VS out pitot and static in; altitude, attitude, CAS and VS out 53. The configuration, of LED s, which are used on aircraft displays are: Seven segment LED display. Seven segment or Dot matrix. DOT matrix. 54. A flight data recorder can obtain information from aircraft Instruments: provided there is adequate damping by direct connection to the instruments provided there is adequate isolation 55. Which standby instruments are driven from the aircraft‟s pitot- Static system? airspeed indicator, vertical speed indicator, and magnetic compass airspeed indicator, altimeter, and vertical speed indicator airspeed indicator, altimeter, and angle of attack indicator. 56. The Cathode ray tube (CRT) is: An evacuated glass tube. A diode. An liquid crystal display. 57. The effects of HIRF an be reduced by: screening, bonding and filtering. screening and filtering screening only 58. The term "glass cockpit" refers to: the use of LCD and C T displays the use of toughened glass windows 59. When compared with DIP packaging, PLCC offers: greater reliability larger size more pins 60. When compared with CRT displays, AMLC displays have: smaller volume and greater reliability larger volume and lower reliability larger volume and greater reliability 61. The two sets of flight regulations that a pilot may fly by are: VF and IFU. VF and IF VHF and IF 62. What are the elements of an optical fiber? All above answer are correct. Central core of suitable glass material. Outer cladding with lower refracting index. 63. Light travels along a fiber optic by: dispersion reflection refraction 64. HIRF. Means: High injected ray frequency. High internal radiated frequency. High intensity radiated field. 65. The human eye is most sensitive to: green light blue light red light 66. Making an invertors from a NAND or NOR gate is achieved by: inverting the input connecting the inputs connecting two in series 67. When is a radio altimeter active? Up to 2,500 ft Up to 10,000 ft Up to 100 ft 68. ARINC 573 is designed for use with: Weather radar. INS FDR 69. What are the basic modes of fiber optics? Answer “A” and “B” both correct. Single mode fiber. Multimode fiber. 70. What is serial to parallel and vice-versa called: Switching Multiplex/ De-multiplex Encoder/Decoder 71. An integrated circuit bus transceiver contains 64 logic gates and buffers. This chip is an example of: SSI MSI LSI 72. For a fiber optic cable connector that is not regularly disconnected you would use the: butt type ceramic lens type ball lens type 1 out of 1
