Variometer is used for _______

increase lift

thrust reversal

increase thrust produced

informing pilot when glider is in lift

Correct Answer : informing pilot when glider is in lift

Explanation : Variometer is used to provide information to the pilot about glider. It is used to provide data about when glide is in lift. Thrust reversal are used to increase drag during landing and to reduce landing distance.

Recently Updated in Aircraft Design Questions

If stall speed is 120 knots then, find average velocity at flare.

110.25

125.4

137.5

147.6

Correct Answer : Option (D) : 147.6

Explanation : Average velocity at Flare = 1.23*stall speed = 1.23*120 = 147.6 knots.

Find the approach speed for military aircraft. Considered stall speed is 22unit.

12 ft

20 m

26.4 unit

45 unit

Correct Answer : Option (C) : 26.4 unit

Explanation : For military aircraft, Approach speed = 1.2*stall speed = 1.2*22 = 26.4 unit.

For military aircraft touchdown speed is 100 knots then, approximate value of stall speed.

90.90

100

200

223

Correct Answer : Option (A) : 90.90

Explanation : Stall speed = touchdown speed/1.1 = 100/1.1 = 90.90.

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