Home

Production of a hollow product by inflation of a tube or parison is called the __________ process.

A. Blow moulding

B. Calendaring

C. Extrusion

D. Injection

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

You can do it
  1. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
  2. Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
  3. A spring material should have low
  4. Pick out the wrong statement.
  5. Fog is an example of colloidal system of
  6. Maximum consumption of limestone is in the __________ industry.
  7. Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
  8. A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C…
  9. Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same…
  10. The product of a commercial direct reduction process is
  11. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
  12. Which of the following metals is not subjected to electrolytic refining/purification?
  13. Fatigue resistance of a material is measured by the
  14. For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
  15. Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
  16. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  17. Hot extrusion of aluminium is done in the temperature range of __________ °C.
  18. The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
  19. The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
  20. The thermodynamic law, = constant, is not followed by the
  21. Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
  22. Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air…
  23. Natural water contains approximately __________ percent of heavy water.
  24. __________ is used as a material of construction for the blade of power saw.
  25. Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
  26. Which of the following terminology is used for the temperature at which new grains are formed in a metal?
  27. The product out from a cupola is called
  28. Production of a hollow product by inflation of a tube or parison is called the __________ process.
  29. At 100% relative humidity, the dew point temperature of moist air is
  30. Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…