#1
19th August 2014, 12:28 PM
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Previous GATE Entrance exam papers
I am searching here question papers of GATE Mechanical Branch with solution in PDF file format ?
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#2
19th August 2014, 02:02 PM
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Re: Previous GATE Entrance exam papers
Here I am giving you question papers of GATE Mechanical Branch with solution in PDF file attached with it so you can get it easily. 1. The partial differential equation (A) Linear equation of order 2 (B) Non-linear equation of order 1 (C) Linear equation of order 1 (D) Non-linear equation of order 2 Answer: (D) 2. The eigen values of symmetric matrix are all (A) Complex with non-zero positive imaginary part (B) Complex with non-zero negative imaginary part (C) Real (D) Pure imaginary Answer: (C) 3. Match the CORRECT pairs: Numerical Integration Scheme Order of Fitting Polynomial P. Simpson’s 3/8 Rule 1. First Q. Trapezoidal Rule 2. Second R. Simpson’s 1/3 Rule 3. Third (A) P-2; Q-1; R-3 (B) P-3; Q-2; R-1 (C) P-1; Q-2; R-3 (D) P-3; Q-1; R-2 Answer: (D) 4. A rod of length L having uniform cross-sectional area A is subjected to a tensile force P as shown in the figure below. If the Young’s modulus of the material varies linearly from 1 E to 2 E along the length of the rod, the normal stress developed at the section-SS is Answer: (A) Stress depends on area. 5. The threaded bolts A and B of same material and length are subjected to identical tensile load. If the elastic strain energy stored in bolt A is 4 times that of the bolt B and the mean diameter of bolt A is 12mm, the mean diameter of bolt B in mm is (A) 16 (B) 24 (C) 36 (D) 48 1 E 2 E Answer: (B) 6. A link OB is rotating with a constant angular velocity of 2 rad/s in counter clockwise direction and a block is sliding radially outward on it with an uniform velocity of 0.75 m/s with respect to the rod, as shown in the figure below. If OA = 1m, the magnitude of the absolute acceleration of the block at location A in 2 m/ s is (A) 3 (B) 4 (C) 5 (D) 6 Answer: (C) 8. The pressure, dry bulb temperature, and relative humidity of air in a room are 1bar, 30ºC and 70% respectively. If the saturated steam pressure at 30ºC is 4.25kPa, the specific humidity of the room air in kg water vapour / kg dry air is (A) 0.0083 (B) 0.0101 (C) 0.0191 (D) 0.0232 Answer: (C) Explanation: 5 P 1 bar 10 Pa 100 KPa = = = sat P 4.25KPa = ( ) × × = = − p 0.622 0.7 4.25 S .humidity 0.019 100 4.25 9. Consider one-dimensional steady state heat conduction, without heat generation, in a plane wall; with boundary conditions as shown in the figure below. The conductivity of the wall is given by 0 k k bT = + ; where 0 k and b are positive constants and T is temperature. As x increases, the temperature gradient ( ) dT / dx will (A) Remain constant (B) Be zero (C) Increase (D) Decrease Answer: (D) 10. In a rolling process, the state of stress of the material undergoing deformation is (A) Pure compression (B) Pure shear (C) Compression and shear (D) Tension and shear GATE Mechanical Branch paper with solutions |
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