DHL Interview ATPL Questions with 100% Correct Answers

DHL Interview ATPL Questions with 100% Correct Answers What is the VOR change over distance? - answer60NM What is the minimum distance between parallel runways? - answer915m what the key points of using Mode 2 for parallel runways? - answerOnly straight in approaches allowed interception angle of no more that 30 degrees must be straight and level 1NM for localiser must be straight and level 2NM for Glideslope Minimum separation of 3NM on same Loc Min separation of 2 NM on adjacent Loc Missed approach tracks diverge by at least 30 degree what is the minimum time a flight plan must be filed before departure - answer60 minutes how does a pilot create a slip or a skid and how it is indicated on the turn co-ordinator? - answerSlip - opposite rudder to direction of turn = ball will be at the same side of the turn Skid - too much rudder in the direction of the turn = ball will be on the opposite side to the turn what time must ATC clocks be within? - answer30 seconds what are the Airspace separations rules for Class A - answerIFR Only What are the Airspace separation rules for Class B - answerIFR and VFR seperated What are the Airspace separation rules for Class C - answerIFR separated from IFR IFR Separated from VFR VFR Info about VFR Speed limited below FL100 250kts IFR ( speed limit only on ATC instruction) What are the Airspace separation rules for Class D - answerIFR Separated from VFR IFR Info about VFR VFR Info about VFR Speed limit below FL100 250kts what its the difference between class D and Class E airspace for VFR - answerNo ATC required No SVFR What is Load Shedding - answerReducing electrical load on the system by turning of unnecessary electrical components how would an artificial feel unit be connected? - answerIn Parallel otherwise if it failed it would stop the system what are booster pumps - answerlow pressure centrifugal boots that supply fuel to the engines. why are booster pumps important? - answerthey prevent cavitation of the engine driven pumps at high altitude. what is the purpose of baffle valves - answerto prevent fuel flowing the the wing tips to keep it in the centre near the pumps what is a feeder box - answera box arounds the booster pumps that keeps the pumps submerged in fuel to prevent cavitation how do you switch off the magneto - answerground the primary circuit how is the twin jet fuelled - answerby fuel being pumped from the fuel truck what type of fire extinguisher do you use on propane fire - answerfoam what is the difference between IAS and CAS (calibrated Airspeed) - answercorrected for instrument positional errors what is the difference between CAS and TAS (true Airspeed) - answerCorrected for changes in air Density when is ground effect felt? - answerhalf the wingspan from the ground what is interference drag? - answerDrag caused by interaction of boundary layers at major aircraft components what are high aspect ratio wings - answerlong thin wings what are low aspect ratio wings - answershort fat ones why are all jet liners wings swept - answerthey are better at close to mach where does the Pulmonary artery pump blood to? - answerthe lungs what is reduced when someone hyper ventilates - answerCO2 how long such you void flying for after giving blood? - answer24 hrs what percentages of accidents are caused by human error - answer70% What is the tropopause? - answerThe boundary between the troposphere and the stratosphere. Where temp no longer increases with height what does the air need to be at the summit of a mountain to cause mountain waves? - answerstable what does they wind need to be doing with increasing altitude to cause mountain waves? - answerincreasing why won't cirrus clouds cause icing - answerthey are already ice crystals what side of the polar jet stream in the most turbulence on? - answerthe cold side what is Grivation - answerthe combination of Grid convergence and magnetic variation what is ISA? - answerTemp 15 Pressure 1013.35 Density 1225 - 2 c per 1000ft 27ft per 1 Hpa What is pressure Altitude? - answerthe vertical distance from ISO how many nautical miles is one degree of latitude? - answer60NM where is the magnetic pole? - answerNorth Canada what cool would the magnetic pole be? - answerblue what is the formula for rate of descent and ground speed for a 3 degree glide slope - answer5 x Ground speed = Rate of Descent what air is used to cool the air in the boot leg air conditioning system? - answerRamp air what are the advantages of cruising at high altitudes - answerfaster more efficient above bad weather what does the pack flow control valve - answercontrols the flow of bleed air in to the Air con packs how many heat exchangers are there is bootstrap system - answer2 primary main(secondary) For the localiser, what frequency is on the left and right lobes - answerleft - 90 hz - Yellow right - 150 hz - Blue for the glides slope, what is the frequency of the lobes above and below? - answerabove - 90hz - yellow below - 150hz - blue what are the colours for the outer, middle and inner marker for the ILS - answerouter - blue middle - yellow inner - white how is an ILS with a DME indicated on a approach chart - answerit will have a D before the ILS freque