Correct Answer : sailplane
Explanation : Typically, a high performance unpowered aircraft is termed as sailplane. A glider is crude, low performance unpowered aircraft. This is based on typical sailplane terminology.
Correct Answer : Option (D) : 147.6
Explanation : Average velocity at Flare = 1.23*stall speed = 1.23*120 = 147.6 knots.
Correct Answer : Option (C) : 26.4 unit
Explanation : For military aircraft, Approach speed = 1.2*stall speed = 1.2*22 = 26.4 unit.
Correct Answer : Option (A) : 90.90
Explanation : Stall speed = touchdown speed/1.1 = 100/1.1 = 90.90.
