Airport Engineering problems
- 1. The strength of winds is measured with the help of
Options- A. Benfort scale
- B. Wind indicator
- C. Barometres
- D. None of these. Discuss
Correct Answer: Benfort scale
- 2. The threshold markings are
Options- A. 4 m wide
- B. 1 m clear space between adjacents
- C. 45 m in length
- D. placed symmetrically on either side of the runway centre line
- E. all the above. Discuss
Correct Answer: all the above.
- 3. According to the International Civil Aviation Organisation (I.C.A.O.), the runway lengths of aerodromes, have been coded by
Options- A. Seven English alphabets
- B. Last Seven English alphabets
- C. First Seven English alphabets
- D. First seven natural numbers. Discuss
Correct Answer: First Seven English alphabets
- 4. For the taxiways, the following statement is true
Options- A. The maximum longitudinal grade is 3%
- B. The permissible rate of change of grade is 1%
- C. The permissible transverse grade is 1.5%
- D. All the above. Discuss
Correct Answer: All the above.
- 5. A gradient of + 0.08% is followed by a gradient of - 0.07%. If the permissible rate of change of grade is 0.003 per 30 metres, the length of the transition curve, is
Options- A. 150 m
- B. 140 m
- C. 160 m
- D. 175 m Discuss
Correct Answer: 150 m
- 6. According to I.C.A.O. the recommended length of air ports is decided on
Options- A. sea level elevation
- B. standard sea level temperature (15°C)
- C. effective gradient percentage
- D. all the above. Discuss
Correct Answer: all the above.
- 7. Pick up the incorrect statement from the following:
Options- A. Channelization of pavement is caused by constant use of tri-cycle gears of aircraft
- B. Blast pads are used over cohesionless soils to resist erosion due to tremendous speed of the jet blast
- C. Over-run areas of at least 300 m length on either side of the runway are provided
- D. None of these. Discuss
Correct Answer: None of these.
- 8. Beaufort scale is used to determine
Options- A. strength of winds
- B. direction of winds
- C. height of air-crafts
- D. none of these. Discuss
Correct Answer: strength of winds
- 9. Speed of
Options- A. sound at 0°C is 1190 km p.h.
- B. sound varies 2.4 km p.h. per degree centrigrade rise in temperature
- C. sound at 0°C is called one Mach
- D. an aircraft flying at 2975 km p.h., is called 2.5 Mach
- E. All the above. Discuss
Correct Answer: All the above.
- 10. Pick up the correct statement from the following:
Options- A. Runway edge from the landing side, is called threshold
- B. Localizer indicates to the pilot his position with respect to the proposed alignment
- C. The glide slope indicates the correct angle of descent
- D. L.O.M. and L.M.M. help the pilot to judge his position for the runway
- E. All the above. Discuss
Correct Answer: All the above.
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