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Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

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

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  1. Heat transfer by __________ is almost absent in case of fluidised bed drying operation.
  2. In a good rimming steel
  3. Dielectric
  4. A material in which the atoms are arranged regularly in some directions but not in others, is termed…
  5. Normalising does not __________ of a metal.
  6. __________ the exhaust gas is an indication of the incomplete combustion of fuel.
  7. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________…
  8. In chemical dehumidification process
  9. Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
  10. The excess air required for the combustion of pulverised coal is of the order of about __________ percent.
  11. Oxyacetylene reducing flame is used while carrying out welding on
  12. Lap joints are preferred over butt joints in soldering/brazing, because these joints are
  13. Non-ferrous alloys used for making cutting tools need not have high
  14. Carbon is present in the form of __________ in grey cast iron.
  15. __________ joint is mostly used for joining pipes carrying water at low pressure.
  16. Exposure to __________ accelerates the degradation of plastics.
  17. Principal alloying element in Elinvar (used for making hair springs for watches) is
  18. In an eutectic system, two elements are completely
  19. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
  20. Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same…
  21. Yield strength of a polycrystalline metal with an average grain size d, is proportional to
  22. Leakage in a cooking gas cylinder is detected by
  23. Which of the following gases cause global warming?
  24. Main constituent of bone ash is
  25. Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
  26. Nitriding of a steel part does not increase its
  27. Dislocation cross-slip is difficult in those materials, which have
  28. Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
  29. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________…
  30. Water flow in the river during flood can be categorised as the __________ flow.