When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

A. Brown colour

B. Yellow colour

C. White colour

D. Grey colour

Related Questions

  1. The efficiency of a riveted joint is equal to
  2. The design of the pressure vessel is based on
  3. Which of the following statement is correct, for two shafts connected in parallel?
  4. When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…
  5. The velocity of sliding ________ the distance of the point of contact from the pitch point.
  6. When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will
  7. In a gear, having Involute teeth, the normal to the Involute is a tangent to the
  8. During hot working of metals,
  9. A feather key is generally
  10. In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where…
  11. According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness…
  12. An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock…
  13. In thrust bearings, the load acts
  14. Rankine Gordon formula for buckling is valid for
  15. In levers, leverage is the ratio of
  16. The application of third type levers is found in
  17. In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged…
  18. The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled…
  19. In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction…
  20. When screw threads are to be used in a situation where power is being transmitted in one direction only,…
  21. A localised compressive stress at the area of contact between two members is known as
  22. When a close coiled helical spring is compressed, its wire is subjected to
  23. In nitrated parts, the origins of the fatigue cracks will occur at
  24. In a marine flange coupling, the thickness of flange is taken as
  25. The form factor of a helical gear __________ with the increase in the helix angle.
  26. The ball bearings are provided with a cage
  27. Deep groove ball bearings are used for
  28. The material generally used for aircraft components is
  29. In most machine members, the damping capacity of the material should be
  30. The centre distance between two meshing involute gears is equal to

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