For grinding of softer materials, the grinding wheel should have __________ grain size.

A. Finer

B. Coarser

C. Medium

D. Any type of

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Oxygen cylinders used for autogenous (cutting/welding) purposes are
  2. Which of the following approaches the ideal gas behaviour most closely?
  3. Damage to metal surface by mechanical action is called
  4. Which of the following fastening devices has a head at one end and a nut fitted to the other?
  5. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in…
  6. Quartz is a __________ material.
  7. Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
  8. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
  9. The mechanism which changes the value of manipulated variable in response to the output signal from…
  10. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  11. As the fluid flow rate increases, the float of the Rotameter
  12. Compressed dry air is used as the cutting fluid, while machining
  13. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
  14. Constituents of stellite are
  15. Dislocations are __________ defects.
  16. Dephosphorization of molten pig iron is favoured by
  17. What is the value of included angle of a triangular notch for maximum discharge?
  18. The joint for soldering is supported by binding wire made of
  19. In the diving apparatus, helium is used along with oxygen, because it is
  20. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
  21. The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
  22. Hydrogen in liquid steels is dissolved
  23. All of the following alloying elements of steel increases hardness but sacrifice ductility, except
  24. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about
  25. Larger length & diameter water pipes are made by
  26. Increase in the entropy of a system represents the
  27. With increase in temperature, the surface tension of water
  28. Out of the following, the most malleable material is
  29. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  30. Thermal efficiency of an internal combustion engine is around __________ percent.