To improve the machinability of steel, it is generally subjected to

Related Questions

1. Case hardening of a material is
2. Spherical shape of mercury droplets is due to its
3. __________ has a negative co-efficient of linear expansion.
4. Spark plug is provided in a/an
5. In the acid Bessemer process, the hot metal should have the following composition.
6. Alloying elements present in Haynes stellite, which has superior performance than high speed steel,…
7. Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
8. The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
9. Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
10. The condition of diffraction from a crystal is given by
11. Particle nature of cathode rays is proved due to the fact that they
12. On being hit with a hammer, __________ will readily fracture.
13. Pick out the wrong conversion of absolute & kinematic viscosities.
14. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
15. Heat required to raise the temperature of a body by 1 °C is called its
16. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
17. Often earing defects are found during deep drawing operation, because the
18. Addition of __________ to steel does not impart hardness.
19. __________ is the process used for setting up compressive stresses in the surface of a metal to improve…
20. Shaft/rotor speed is most accurately measured by a
21. Matte smelting is used in the extraction of
22. Principal alloying element in Elinvar (used for making hair springs for watches) is
23. The hardenability of steel decreases with
24. Difference at any instant between the value of the controlled variable and the set point is called the
25. Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about
26. Softening of hardened steel is done by its
27. Sudden fall of atmospheric pressure by a large amount is an indication of the
28. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
29. Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
30. Hydrogen in liquid steels is dissolved

Also checkout these categories