GATE AE Question Paper 2012 Aerospace Engineering.
GATE i.e. Graduate Aptitude Test in Engineering Aerospace Engineering 2012 Exam Has been Conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE AE 2012 examination is the procedure to get the admission in M.Tech
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GATE AE Question Paper 2012 Aerospace Engineering
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Q.3 An aircraft in trimmed condition has zero pitching moment at
(A) its aerodynamic centre. (B) its centre of gravity.
(C) 25% of its mean aerodynamic chord. (D) 50% of its wing root chord.
Q.4 In an aircraft, constant roll rate can be produced using ailerons by applying
(A) a step input. (B) a ramp input.
(C) a sinusoidal input. (D) an impulse input.
Q.5 For a symmetric airfoil, the lift coefficient for zero degree angle of attack is
(A) – 1.0 (B) 0.0 (C) 0.5 (D) 1.0
Q.6 The critical Mach number of an airfoil is attained when
(A) the freestream Mach number is sonic.
(B) the freestream Mach number is supersonic.
(C) the Mach number somewhere on the airfoil is unity.
(D) the Mach number everywhere on the airfoil is supersonic.
Q.7 The shadowgraph flow visualization technique depends on
(A) the variation of the value of density in the flow.
(B) the first derivative of density with respect to spatial coordinate.
(C) the second derivative of density with respect to spatial coordinate.
(D) the third derivative of density with respect to spatial coordinate.
Q.8 The Hohmann ellipse used as earth-Mars transfer orbit has
(A) apogee at earth and perigee at Mars. (B) both apogee and perigee at earth.
(C) apogee at Mars and perigee at earth. (D) both apogee and perigee at Mars.
Q.9 The governing equation for the static transverse deflection of a beam under an uniformly distributed load, according to Euler-Bernoulli (engineering) beam theory, is a
(A) 2nd order linear homogenous partial differential equation.
(B) 4 th order linear non-homogenous ordinary differential equation.
(C) 2 nd order linear non-homogenous ordinary differential equation.
(D) 4 th order nonlinear homogenous ordinary differential equation.
Q.14 During the ground roll manoeuvre of an aircraft, the force(s) acting on it parallel to the direction of motion
(A) is thrust alone. (B) is drag alone.
(C) are both thrust and drag. (D) are thrust, drag and a part of both weight and lift.
Q.15 An aircraft in a steady climb suddenly experiences a 10% drop in thrust. After a new equilibrium is reached at the same speed, the new rate of climb is
(A) lower by exactly 10%. (B) lower by more than 10%.
(C) lower by less than 10%. (D) an unpredictable quantity.
Q.16 In an aircraft, the dive manoeuvre can be initiated by
(A) reducing the engine thrust alone. (B) reducing the angle of attack alone.
(C) generating a nose down pitch rate. (D) increasing the engine thrust alone.
Q.17 In an aircraft, elevator control effectiveness determines
(A) turn radius.
(B) rate of climb.
(C) forward-most location of the centre of gravity.
(D) aft-most location of the centre of gravity.