GATE Mechanical Engineering Questions And Answers
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GATE Mechanical Engineering Questions and Answers - Chapters
- Mechanical Engineering Practice Paper 1 Questions & Answers
- Mechanical Engineering Practice Paper 2 Questions & Answers
Mechanical Engineering Practice Paper 1 Questions & Answers
1. In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate
Mechanical Engineering Practice Paper 1 Questions & Answers
2. Match the following metal forming processes with their associated stresses in the workpiece.
Metal forming process Type of stress
1. Coining P. Tensile
2. Wire Drawing Q. Shear
3. Blanking R. Tensile and compressive
4. Deep Drawing S. Compressive
Mechanical Engineering Practice Paper 1 Questions & Answers
3. In an interchangeable assembly, shafts of size mate with holes of size The maximum interference (in microns) in the assembly is
Mechanical Engineering Practice Paper 1 Questions & Answers
4. During normalizing process of steel, the specimen is heated
Mechanical Engineering Practice Paper 1 Questions & Answers
5. Oil flows through a 200 mm diameter horizontal cast iron pipe (friction factor, f = 0.0225) of length 500 m. The volumetric flow rate is 0.2 m3/s. The head loss (in m) due to friction is (assume g = 9.81
m/s2)
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
