Solved Question Paper of Recruitment Test (Computer Based Recruitment Test) conducted by UPSC for the Post of Air Safety Officer in the Office of the Directorate General of Civil Aviation held on 11.08.2019.

11.


Answer: (B)

12.


Answer: (B)

13.


Answer: (C)

14.

(A) 4.00 kW
(B) 4.05 kW
(C) 4.50 kW
(D) 4.55 kW

Answer: (B)

15. How many ground-based radio transmitters are required for an instrument landing system?
(A) 2
(B) 3
(C) 4
(D) 5

Answer: (A)

16.

Answer: (C)

17.

Answer: (C)

18. As an airplane flying with constant velocity moves from a cold air mass into a warm air mass, how does the Mach number change?
(A) It increases
(B) It remains the same
(C) It decreases
(D) It randomly varies

Answer: (C)

19. A hot fluid is being conveyed through a long pipe of 4 cm outer diameter and covered with
2 cm thick insulation. It is proposed to reduce the conduction heat loss to the surroundings to
one-third of the present rate by further covering with same insulation material. What is the
additional thickness of insulation?
(A) 8 cm
(B) 10 cm
(C) 12 cm
(D) 14 cm

Answer: (C)

20. A skier leaves the end of a horizontal ski jump at 22 m/s and falls through a vertical distance of 3.2 m before landing. Neglecting air resistance, how far horizontally does the skier travel in the air before landing?
(A) 8.08 m
(B) 17.80 m
(C) 10.50 m
(D) 27.23 m

Answer: (B)