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GATE Mechanical Engineering Practice Paper 2 Questions And Answers

Here you can find GATE Mechanical Engineering Practice Paper 2 Questions And Answers.

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Mechanical Engineering Practice Paper 2 Questions & Answers

2. The eigenvalues of a symmetric matrix are all

Mechanical Engineering Practice Paper 2 Questions & Answers

5. Two 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 bolt B and the mean diameter of bolt A is 12 mm, the mean diameter of bolt B in mm is

Mechanical Engineering Practice Paper 2 Questions & Answers

7. For steady, fully developed flow inside a straight pipe of diameter D, neglecting gravity effects, the pressure drop ∆p over a length L and the wall shear stress tw are related by

Mechanical Engineering Practice Paper 2 Questions & Answers

8. The pressure, dry bulb temperature and relative humidity of air in a room are 1 bar, 30°C and 70%, respectively. If the saturated steam pressure at 30°C is 4.25 kPa, the specific humidity of the room air in kg water vapour/kg dry air is

Mechanical Engineering Practice Paper 2 Questions & Answers

10. In a rolling process, the state of stress of the material undergoing deformation is

Mechanical Engineering Practice Paper 2 Questions & Answers

12. A metric thread of pitch 2 mm and thread angle 60° is inspected for its pitch diameter using 3-wire method. The diameter of the best size wire in mm is

Mechanical Engineering Practice Paper 2 Questions & Answers

13. Customers arrive at a ticket counter at a rate of 50 per hr and tickets are issued in the order of their arrival. The average time taken for issuing a ticket is 1 min. Assuming that customer arrivals form a Poisson process and service times are exponentially distributed, the average waiting time in queue in min is

Mechanical Engineering Practice Paper 2 Questions & Answers

14. In simple exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be close to

Mechanical Engineering Practice Paper 2 Questions & Answers

15. A steel bar 200 mm in diameter is turned at a feed of 0.25 mm/rev with a depth of cut of 4 mm. The rotational speed of the workpiece is 160 rpm. The material removal rate in mm3/s is

Mechanical Engineering Practice Paper 2 Questions & Answers

16. For a ductile material, toughness is a measure of

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GATE Mechanical Online Practice Test Paper 2

Free Online Practice mock Test 2 for GATE Mechanical Engineering. GATE syllabus and Previous Year Question Papers with Answers Free Download.
1. The partial differential equation  is a
  • 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
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Answer & Explanation

Answer: Option D

Explanation:

-NA-

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2. The eigenvalues of a 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.
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Answer & Explanation

Answer: Option C

Explanation:

-NA-

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3. Match the CORRECT pairs.

  • 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
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Answer & Explanation

Answer: Option D

Explanation:

-NA-

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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 E1 to E2 along the length of the rod, the normal stress developed at the section-SS is

  • A. P/A
  • B. P(E1 - E2)/A(E1 + E2)
  • C. PE2/AE1
  • D. PE1/AE2
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Answer & Explanation

Answer: Option A

Explanation:

-NA-

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5. Two 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 bolt B and the mean diameter of bolt A is 12 mm, the mean diameter of bolt B in mm is
  • A. 16
  • B. 24
  • C. 36
  • D. 48
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Answer & Explanation

Answer: Option B

Explanation:

-NA-

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