**GATE XE Question Paper 2009.**

GATE i.e. Graduate Aptitude Test in Engineering Engineering Sciences **2009** Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE XE **2009** examination is the procedure to get the admission in M.Tech

GATE Engineering Sciences i.e. XE Question Paper, This GATE XE 2009 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 XE 2009 question paper in pdf file for GATE XE you can download it in FR XE, if GATE Engineering Sciences 2009 paper in text for GATE XE you can download GATE XE 2009 page also just Go to menu bar, Click on File->then Save.

**GATE XE Question Paper 2009**

**GATE XE Question Paper 2009**

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** A : ENGINEERING MATHEMATICS (compulsory)**

**Q. 1 Let A and B be two similar square matrices of order two. If I and —2 are the elgenvalues of A, then the Trace of B is**

(A)—2 (B)—1 (C) 1 (D) 2

**Q.2 The root of ax + b = 0 (a,b constants), can be found by the Newton-Raphson method with a minimum of**

(A) 1 iteration (B) 2 iterations

(C) 3 iterations (D) an undctcrminablc number of iterations

** B : FLUID MECHANICS**

** Q.2 Stream function CANNOT be defined for**

(A) two dimensional incompressible flow (B) two dimensional compressible flow (C) three dimensional incompressible flow (D) axisymmetric incompressible flow

**Q.3 Which one of the following is an irrotational flow?**

(A) Free vortex flow

(B) Forced vortex flow

(C) Couette flow

(D) Wake flow

**Q.4 Under strong wind conditions, electrical cables can be subjected to wind-induced oscillations. Which one of the following non-dimensional numbers is relevant to this problem?**

(A) Froude number (B) Webcr number

(C) Faraday number (D) Strouhal number

**Q5 Dimples are made on golf balls for which of the following reasons?**

**P : to make the ball travel a longer distance **

** Q : to make the flow over the ball turbulent **

** R : to make the flow over the ball laminar **

** S : to create a separated boundary layer flow over the ball**

(A)P.Q (B)Q,S (C) R,S (D) P,R

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