# Practice Test: Question Set - 05

1. Conical surface of the approach area rises outwards
(A) 1 in 10
(B) 1 in 15
(C) 1 in 20
(D) 1 in 25

2. Speed of
(A) Sound at 0°C is 1190 kmph
(B) Sound varies 2.4 kmph per degree centigrade rise in temperature
(C) Sound at 0°C is called one Mach
(D) All the above

3. The maximum length and pavement strength of the runway is that of
(A) A 1
(B) B 2
(C) B 3
(D) G 7

4. Total correction for elevation, temperature and gradient for a runway should not be more than
(A) 15 %
(B) 20 %
(C) 25 %
(D) 35 %

5. In instrument landing system
(A) L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
(B) L.O.M. and Localizer are installed on one side and L.M.M. on the other side
(C) Localizer and L.M.M. are installed on one side and L.O.M. on the other side
(D) None of these

6. In Instrumental landing system, the middle markers are located
(A) Along the extended centre line of runway end
(C) At the runway threshold

7. The bearing of the longest line of a wind rose is S 45° E, the bearing of the runway will be numbered
(A) 135°
(B) 31
(C) 13
(D) Both (c) and (d)

8. Two single runways may be arranged so as to have
(A) L-shape
(B) T-shape
(C) X-shape
(D) All the above

9. Pick up the correct statement from the following:
(A) Air screw converts the energy given by the engine into speed
(B) The propellers which are driven by turbine engines, are technically called turboprops
(C) The aircrafts which obtain the thrust directly from turbine engine, are called turbo-jets
(D) All the above

10. Which of the following factors are taken into account for estimating the runway length required for aircraft landing?
• 1. Normal maximum temperature
• 2. Airport elevation
• 3. Maximum landing weight
Select the correct answer using the codes given below Codes:
(A) 1, 2, 3 and 4
(B) 1, 3 and 4
(C) 2 and 3
(D) 1, 2 and 4

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