RN DGCA OCT 2012 1. Bond ing radio equipment to airframe will provide- #Low impedance path 2. Ratio to max. to min. which is equal to SWR- #Swr=ZO/ZI & SWR=ZI/ZO which ever is larger 3. During T/O "Glideslope" Glideslope warning comes due to- #Below ILS departure 4. Speed of computer depends on- #memory 5.In flight interphone if press P.T.T._ #All PA speakers are mute + Mike is connected to line 6 INS Consists of Gyroscope & acclerometer it will assist the aircraft in # Level flight 7. In encoding ATC transponder altitude C pulse give binary code & A,B,D give pulse- # Gray code 8. VSWR in short circuited transimission line equal to- # Infinity 9.When captain like to communicate with flight crew on ASP, Capt will select- #Select INT switch on& select PA on RX. panel 10.GPWS take refernce from A/C configuration radio altimeter- #Landing gear & flaps 11Which couplers are considered of series of lens & partially refractive index- #Beam splitting Coupler 12. Optical couplers are used for- #Isolate 13. Conductor of wiring should carry out- #Crimping 14. ELt activated by- #Parallel to a/c axis 15.An ADF 180 ambiguity is removed by- #sense antenna 16. In high speed A/C wire anteena replaced by prob & notch antenna by- #Inductance of the notch is resonated by high voltage variable capacitance 17. Stablized master oscillator consist of- #Voltage control oscillator 18. What is the frequency of 10m long wavelength- #30MHZ 19.Track- # Direction in which A/C moves 20. In general impedance of a/c Ant. is- #50 ohm 21. In ILS amber illuminate on- # MIddle marker 22. In EICAS system caution Amber light indicate- # Level B 23. Padding capacitor used in- # Tracking 24. In ATC Transponder Mode A does not provide- # Altitude 25. Which is non-omnidirectional- # Log periodic 26. In CRT voltage signal is feed to- # Yplate 27. Fading mostly occur in- # HF 28. If an Ant. can receive both Horizontally and vertically beam but their intensity is uequal in baoth direction, known as # Elliptical polarization 29. To reduce corona effect we use- # Static discharger 30. When flag such as NAV, HDG, GS are disappeared on HSI, the indication is- #The function is inoperative 31. In VOR which is not omnidirectional- # Variable signal 32. In ILS system 150hz predominate in Localizer- # Blue light 33. which device convert electrical power to EM waves- # Transmitter 34. De-Modulate is device for- # Remove Intelligence from the signal 35. In ILS Lateral Guideness provide by- # Localizer 36. A alternator has 6 pole, what is the no. of cycle/rotation- A.6 B.12 C.3 D.none of the above 37.. When A.C & D.C intersecting this point is known as- # Operating point 38. Cockpit lighting is known as- # Flood lighting 39. LED- # P-N junction diode + Emite light when connected in forward bias 40. Vor Ant Installed in a/c- # On vertical stablizer 41. For 900us, range should be- # 135NM 42. Pin selection of AN/MS connector is normally installed- # Ground side of ckt 43. Long Range Nav(LORAN) detect a/c location by- # Ground side og ckt 44. Radio altimeter produce No voice when # When a/c on the ground 45. In Radio Altimeter OFF Flag comes when- # Due to Power Failure 46.In Wx Radar, Time taken by pulse Transmitted & received back- # Is Directly proportional to the Distance 47. Rear Port Display utilizes- # Dynamic CRT 48. When Transmitter Impedance lines equal- # SWR will be Minimum 49. A/c Bonding Check in- # Resistance Value 50. Differnce b/t Micro Processor & Micro Computer- # Micro Processor has small memory & Micro Computer has large memory 51. Range of VORTAC Beacon- # Inversely Proportional to distance from the way point 52. In ADF Loop, Transformer & Rotor are single uniot is- # Goniometr 53.IN a/c equipment installation in cockpit increase its- # Empty Weight 54.Intensity of CRT does not depends on- # Time taken by the electron beam to strike the screen 55.For proper propagation of waves in a wave guide, wave length used is- # Less than cutt-off wave lenght 56.High resistance is measure by- # Meghaohmeter 57.Interpol not used for- # Reduce Field Strength 58.Mark the correct statement regarding VOR- A. Vor provide bearing to the a/c to the ground station B. A+ frequency range is 108-112mhz #. A+ Frequency range is 108-118mhz D. B+ reference & Variable phase are used. 59.ELT battery operate syatem upto- #48hr. 60.1. Bonding is done with help of soldering for joining jumper to the a/c structure 2. Bonding is done by crimping for loining jumper to the a/c structure #only 2 is correct 61.The maxm. no. of joints in bonding at a pt. A.2 B.3 C.4 D.5 62.Which Motor used for Starting Piston Engines- # series wound 63.Which motor used for starting piston engines- # Series wound 64.Disadvantage og Half wave rectifier- # difficult to filter o/p 65.A transformer have 250/3000 voltage ratio, if magnetic field density is 1.2wb/m, emf/turns of coil is 8V, then In secondary- # 375 66.FLY-BY-WIRE system- # Is a system in which control surface moves electrnically 67.Hot microphone is CVR- # Is always ON irrespective of any selection 68.Delta-Delta connection- #phase voltage = line voltage 69.IF Stage used in Fm receiver- # Convert input freq. in yo fix freq. 70.MTCS A. Biltester used for internal checkup of component as specified by manufacture B. RAMP test is used for checking the external component of an a/c as specified by manufacture #. B+Person shold posses valid license 71.Wx. Radar Display- # Pencil shape 72.AL Wire Ant. used in a/c due to- A. High strength/weight ratio B. Low resistance C. Less chance of corrosion D. all of the above 73.ADF Errors- # Night effect, loop alingment errors 74.When Radar Rx. Received Reflected Echo waves- A. Target seems less distance than actual B. target seems more diatance than actual C. Target not visible at this stage D. None of the above 75. Disadvantage of Wx. Radar- A. Not provide range B. Not provide Distance C. Both A=B D. None of the above 76. In ADF, Matching/ Equilazation ckt install- # close to the Ant. 77.Noise is likely to be felt at # RF i/p Stage 78.Mark the correct statement A. In waveguide the velocity of propagation is less than that in free space # A+ and not be TEM propagation C. A+ and TEM not propagate 79.Coil A has Air core & Coil B has Iron core than- # Coil B has Higher inductance than Coil A 80.Marker Beacon is Tested using- # Lamp switch 81.In HF System it is working at only one freq. the possiblity of fault is in- # ATU 82.After an ADF Ant. installed- # Loop must be celebrated
Posted on: Sat, 08 Jun 2013 18:49:29 +0000
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