Free Online Practice mock Test 1 for GATE 2016 Mechanical Engineering. GATE syllabus and Previous Year Question Papers with Answers Free Download.
1. In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate
- A. increases continuously.
- B. decreases continuously.
- C. decreases, becomes stable and then increases.
- D. increases, becomes stable and then decreases.
Answer: Option D
Explanation:
-NA-
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
- A. 1-S, 2-P, 3-Q, 4-R
- B. 1-S, 2-P, 3-R, 4-Q
- C. 1-P, 2-Q, 3-S, 4-R
- D. 1-P, 2-R, 3-Q, 4-S
Answer: Option A
Explanation:
-NA-
3. In an interchangeable assembly, shafts of size
mate with holes of size
The maximum interference (in microns) in the assembly is
Answer: Option C
Explanation:
-NA-
4. During normalizing process of steel, the specimen is heated
- A. between the upper and lower critical temperature and cooled in still air.
- B. above the upper critical temperature and cooled in furnace.
- C. above the upper critical temperature and cooled in still air.
- D. between the upper and lower critical temperature and cooled in furnace.
Answer: Option C
Explanation:
-NA-
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 m
3/s. The head loss (in m) due to friction is (assume g = 9.81 m/s
2)
Answer: Option A
Explanation:
-NA-
