Refractory metals are

Production Engineering Mcqs
BILAL KHATTAK0

A.Those which reflect heat
B.Those which absorb heat
C.Those which have melting point above 1950?C
D.Those do not malt in a normal furnace
E.Those which can be cast in the form of bricks

Related Mcqs:

  1. Generally for the melting of cast iron, electric furnaces are not used because
  2. An important reason for the large daily temperature range over deserts is __________?
  3. A good selective surface utilizes materials that strongly
  4. Low clouds retard surface cooling at night better than clear skies because_____________?
  5. Acoustical materials
  6. The furnace used for castings of cast iron in a foundry shop is known as
  7. When oil and gas resources are burnt they kill many forests and lakes by __________?
  8. Unsteady state of heat flow occurs in
  9. The processes of condensation and freezing __________?
  10. Crucible for melting of metals are made of

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