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__________ of test specimens is not involved in any hardness testing method.

A. Fracture

B. Indentation

C. Wear

D. Scratch

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

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  1. The most important consideration in value engineering is the
  2. Induced draft fans provided in large thermal power plant boilers have __________ blades.
  3. Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling…
  4. The surface tension of a liquid, at critical temperature is
  5. Cast iron contains __________ percent carbon.
  6. The most important function of a washer is to provide bearing area and washers are normally specified…
  7. Fatigue resistance of a material is measured by the
  8. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
  9. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
  10. The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 ×…
  11. The specific gravity of coal depends mainly on its __________ content.
  12. Stainless steel is welded using
  13. The main reducing agent in iron blast furnace is
  14. Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
  15. __________ is the most suitable lubricant for drawing mild steel wires?
  16. Spherical shape of mercury droplets is due to its
  17. Sudden fall of atmospheric pressure by a large amount is an indication of the
  18. Propulsion of rocket follows from the
  19. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
  20. Babbitt lining is used on brass/bronze bearings to increase the
  21. Cold heading or upsetting is categorised as the __________ process.
  22. The following thermocouple may be used for measuring temperature upto 1873°K.
  23. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  24. Diffusion co-efficient of a metal in a solid solution depends upon its
  25. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
  26. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
  27. Fibre glass is a composite material of
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