**GATE AE Question Paper 2011 Aerospace Engineering.**

GATE i.e. Graduate Aptitude Test in Engineering Aerospace Engineering 2011 Exam Has been Conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE AE 2011 examination is the procedure to get the admission in M.Tech

GATE Aerospace Engineering i.e. AE Question Paper, This GATE AE 2011 Question will help all the students for their exam preparation, here the question type is MCQ i.e multiple choice question answers, if this GATE AE 2011 question paper in pdf file for GATE AE you can download it in FRAE, if GATE Aerospace Engineering 2011 paper in text for GATE AE you can download GATE AE 2011 page also just Go to menu bar, Click on File->then Save.

**GATE AE Question Paper 2011 Aerospace Engineering**

**GATE AE Question Paper 2011 Aerospace Engineering**

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**Q.6. In three-dimensional linear elastic solids, the number of non-trivial stress-strain relations, strain-displacement equations and equations of equilibrium are, respectively,**

(A) 3, 3 and 3

(B) 6, 3 and 3

(C) 6, 6 and 3

(D) 6, 3 and 6

**Q. 7 An Euler-Bernoulli beam in bending is assumed to satisfy**

(A) both plane stress as well as plane strain conditions

(B) plane strain condition but not plane stress condition

(C) plane stress condition but not plane strain condition

(D) neither plane strain condition nor plane stress condition

**Q.8 A statically indeterminate frame structure has**

(A) same number ofjoint degrees of freedom as the nmnber of equilibrium equations

(B) munber of joint degrees of freedom greater than the nuunber of equilibrium equations

(C) number of joint degrees of freedom less thaii the munber of equilibrium equations

(D) unknown number of joint degrees of freedom. which cannot be solved ulsing laws of mechanics

**Q.12 An impulsive latuich of a rocket minimizes the loss of burn-out velocity due to**

(A) aerodynamic drag force only

(B) gravitational force only

(C’) both aerodynamic drag and gravitational forces

(D) reaction jet control force

**Q.13 Multi-staging in rockets improves the bum-out performance by increasing mainly stage-wise**

(A) payload mass ratios (B) structural mass efticiencies

(C’) propellant masses (D) control system masses

**Q. 15 Lift on an aircraft climbing vertically up is**

(A) equal to its weight (B) zero

(C) equal to the drag (D) equal to the thrust

**Q. 16 If an aircraft is performing a positive yawing manoeuvre. the side slip angle**

(A) is always zero (B) is never zero (C) is always negative (D) could be any value

**Q.17 For an aiiplane to be statically stable. its centre of gravity must always be**

(A) ahead of wing aerodynamic centre (B) aft of tile wing aerodynamic centre

(C) ahead of neutral point (D) aft of neutral point

**Q.18 It is seen that the drag polar of a certain aerofoil is symnietric about tile Cd axis. This drag polar**

** could refer to**

(A)NACA 0012 (B) NAC’A 4415 (C) NACA 23012 (D) None of tile above

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