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- Question 1 of 16
The diameter of a shaft must be within a tolerance of 0.02 of the nominal diameter. Which control chart is useful to determine that the process is in statistical control?CorrectIncorrect
- Question 2 of 16
Which one of the following is not a characteristic of JIT manufacturing system?CorrectIncorrect
- Question 3 of 16
Relationship between Young’s Modulus (E), Shear Modulus (G), and Poisson’s Ratio (μ), for a material obeying the Hooke’s Law, isCorrectIncorrect
- Question 4 of 16
For a metal alloy, which one of the following descriptions relates to the stress-relief annealing process?CorrectIncorrect
- Question 5 of 16
Generative Approach of Computer Aided Process Planning is NOT based on
(i) part coding using Group Technology
(ii) part feature recognition and extraction
(iii) database of standard process plans for part families
(iv) geometric modelling of partCorrectIncorrect
- Question 6 of 16
Which one of the following methods is NOT used for producing metal powders?CorrectIncorrect
- Question 7 of 16
A spindle speed of 300 rpm and a feed of 0.3 mm/revolution are chosen for longitudinal turning operation on an engine lathe. In finishing pass, roughness on the work surface can be reduced byCorrectIncorrect
- Question 8 of 16
Chills are used in casting moulds toCorrectIncorrect
- Question 9 of 16
A moving mandrel is used inCorrectIncorrect
- Question 10 of 16
Brazing and Soldering areCorrectIncorrect
- Question 11 of 16
Match the following:
Group I (Mechanism) Group II (Machines)
P Quick return 1 Lathe
Q Apron 2 Shaping
R Intermittent indexing 3 Gear hobbing
S Differential mechanism 4 MillingCorrectIncorrect
- Question 12 of 16
Reaming is a process used forCorrectIncorrect
- Question 13 of 16
In an open die forging, a circular disc is gradually compressed between two flat platens. The exponential decay of normal stress on the flat face of the disc, from the center of the disc towards its periphery, indicates thatCorrectIncorrect
- Question 14 of 16
If the equation sin(x) = x*x is solved by Newton Raphson’s method with the initial guess of x=1, then the value of x after 2 iterations would be _______CorrectIncorrect
- Question 15 of 16
If 2 kg mass of water, with a specific heat of 4.18 kJ/kg-K, is heated from 20°C to 40°C in an open container, then the change in entropy of water, in kJ/K, is ______CorrectIncorrect
- Question 16 of 16
A metallic sphere of 1 kg mass, with surface area of 0.0314 m2, is maintained at an initial temperature of 50°C. The fluid circulating around the sphere is maintained at a temperature of 10°C. Specific heat of metallic sphere is 314 J/kg-K and the heat transfer coefficient between the fluid and the sphere is 10 W/m2-K. The time taken (in seconds) for the sphere to cool down to 20°C is (read m2 as m power 2 that is m square)CorrectIncorrect