GATE Mechanical Engineering paper With Answer

I am searching here solved question paper for mechanical engineering paper of graduate aptitude test in engineering examination ?

[Arun Vats]

Here I am giving you solved question paper for mechanical engineering paper of graduate aptitude test in engineering examination in PDF file attached with it so you can get it easily.

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)

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
Answer: (B)

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)

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
Answer: (C)

12. A metric thread of pitch 2mm and thread angle 60º is inspected for its pitch
diameter using 3-wire method. The diameter of the best size wire in mm is
(A) 0.866 (B) 1.000 (C) 1.154 (D) 2.000
Answer: (C)
Explanations:- For 60o thread angle, best wire size =0.57135xP=1.154

13. Customers arrive at a ticket counter at a rate of 50 per hour and tickets are
issued in the order of their arrival. The average time taken for issuing a ticket is
1min. Assuming that customer arrivals form a Poisson process and service times
are exponentially distributed, the average waiting time in queue in minutes is:
(A) 3 (B) 4 (C) 5 (D) 6
Answer: (C)

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