mechanical-engineering-engineering-materials Related Question Answers
51. The ability of a material to undergo large permanent deformation with the application of a tensile force, is called ductility.
52. Which of the following steel making process is being adopted at Rourkela Steel Plant?
53. 18-4-1 high speed steel contains
54. Which of the following statement is true about brittle fracture?
55. Grey cast iron has
56. Induction hardening is basically a
57. When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces
58. The strength is the ability of a material to resist
59. The material widely used for making pendulums of clocks is
60. The stiffness is the ability of a material to resist
61. The blade of a power saw is made of
63. The metal suitable for bearings subjected to light loads, is
64. The property of a material essential for spring materials is
66. Which of the following material has nearly zero coefficient of expansion?
67. In normalising process, the hypo-eutectiod steel is heated from 30° C to 50° C above the upper critical temperature and then cooled in still air.
68. The alloying element which can replace tungsten in high speed steels is
69. An aluminium alloy with 11% silicon is used for making engine pistons by die casting technique.
71. The machinability of steel is improved by adding
73. The type of space lattice found in alpha-iron is
74. The brown smoke during the operation of a bessemer Converter indicates that the
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution