Ceramic compounds as compared to metallic compounds

A. Crystallise faster

B. Resist greater tensile stress at room temperature

C. Have higher melting temperature

D. Are better conductor of electricity at higher temperature


You can do it
  1. __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
  2. Work study deals with the __________ study.
  3. Which of the following is used to produce draught in the locomotive boilers?
  4. Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
  5. Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
  6. A steam pipe is intended to be insulated with two layers of insulating materials of different thermal…
  7. A reduction in thermal resistance during heat transfer does not occur in the
  8. Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
  9. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
  10. Hydrogen can be
  11. Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded…
  12. M10 index of coke indicates its
  13. The thermodynamic law, = constant, is not followed by the
  14. Blast furnace slag is mainly molten
  15. On being hit with a hammer, __________ will readily fracture.
  16. The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________…
  17. The following thermocouple may be used for measuring temperature upto 1873°K.
  18. Basic open hearth furnace (BOF) is not used for producing __________ steel.
  19. Mild steel has __________ crystal lattice structure.
  20. Cold heading or upsetting is categorised as the __________ process.
  21. __________ cannot increase the fatigue strength of a material.
  22. Oxyacetylene reducing flame is used while carrying out welding on
  23. Maximum permissible sulphur content in steel is __________ percent.
  24. Induced draft fans provided in large thermal power plant boilers have __________ blades.
  25. High speed steel tools retain their hardness upto a temperature of __________ °C.
  26. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
  27. Friction factor for fluid flow in pipe does not depend upon the
  28. X-rays are
  29. Pick out the correct statement about the condensation.
  30. The atmospheric temperature during melting of ice/snow (in the atmosphere)