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General Questions (70)

61. 2) What is absolute humidity? 1.The temperature to which humid air must be cooled at constant pressure to become saturated. 2.The actual amount of the water vapour in a mixture of air - water. 3.The ratio of the water vapour actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailing temperature and pressure. The correct answer is the actual amount of water vapour in a mixture of air and water
62. With ISA conditions, what is the temperature at 30,000ft ? A. Troposphere, Tropopause, Ionosphere, Exosphere B.Stratosphere, Ionosphere, Exosphere Tropopause C. Troposphere, Stratosphere, Ionosphere, Exosphere this is a copy of the question and I don't think it has the correct answers for this question. Answers are not related
63. 4) An aircraft travels at a constant speed of 800 km/h for 30 minutes. How far it would have traveled in 30 minutes? 250 km 500 km 1000 km
64. The purpose of a patch cord used with an OTDR is
a. to compensate for any contraction of the Fiber optic cable during test.
b. to overcome the dead zone problem caused by reflection at OTDR launch connector.
c.to attenuate OTDR output power which could cause damage to the cable under test.
65. Question from: Prathan
Radiant heat of a body, heated from a radiant source is
a. inversely proportional to the square of the distance.
b. proportional to distance.
c. inversely proportional.
66. Question from: Prathan
If heat is constant, and if pressure increases on a liquid what will the volume do?
67. If a tuning fork is struck and held close to the ear and slowly rotated about the vertical axis in one rotation how many times is there no sound?
68. Vortex generators a. move the transition point forward. Why is this right? Vortex generators don't delay the appearance of the transition point? Please advice
69. Why cabin window shades have to be pulled up before takeoff and landing?
70. Why there are no parachutes on passenger aircraft?
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