Aerospace Engineering Gate 2013 Questions with Answer

Ques 53 GATE 2013

Which one of the following flight instruments is used on an aircraft to determine its attitude in flight?

Ques 54 GATE 2013

Which one of the following is favorable for an airplane operation?

Ques 55 GATE 2013

A glider is launched from a 500m high hilltop. Following data is available for the glider: Zero lift drag coefficient C_D0=0.02, aspect ratio AR=10 and Oswald efficiency factor e=0.95 The maximum range of the glider in km is

Ques 56 GATE 2013

Which one of the following criteria leads to maximum turn rate and minimum radius in a level turn flight?

Ques 57 GATE 2013

Data for an airplane are given as follows: weight W = 30 kN, thrust available at sea-level T₀ = 4000 N, wing planform area S = 30 m², maximum lift coefficient C_L max = 1.4, and drag coefficient C_D = 0.015 + 0.024C_L². Assume air density at sea-level ρ_∞ = 1.22 kg/m³.
Stall speed of the airplane in m/s is

Ques 58 GATE 2013

Data for an airplane are given as follows: weight W = 30 kN, thrust available at sea-level T₀ = 4000 N, wing planform area S = 30 m², maximum lift coefficient C_L max = 1.4, and drag coefficient C_D = 0.015 + 0.024C_L². Assume air density at sea-level ρ_∞ = 1.22 kg/m³.
Minimum and maximum speeds of the airplane in level flight condition at sea-level in m/s are respectively

Ques 59 GATE 2013

Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::

Ques 60 GATE 2013

All professors are researchers
Some scientists are professors

Which of the given conclusions is logically valid and is inferred from the above arguments:

Ques 61 GATE 2013

If 3≤X≤5 and 8≤Y≤11 then which of the following options is TRUE?

Ques 62 GATE 2013

Velocity of an object fired directly in upward direction is given by V=80-32 t. where t (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

Ques 63 GATE 2013

In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?

Ques 64 GATE 2013

|-2X+9|=3 then the possible value of |-X|-X² would be:

Ques 65 GATE 2013

Consider the low earth orbit (LEO) and the geo synchronous orbit (GSO). Then