1. Ductility of a material can be defined as _____.
2. Malleability of a material can be defined as _____.
3. In compression, a prism of brittle material will break _____.
4. The ability of a material to resist softening at high temperature is known as
5. Mild steel belongs to the following category
6. The ultimate tensile strength of low carbon steel by working at a high strain rate will
7. Slow plastic defoliation of metals under a constant stress is known as
8. The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will
9. The number of electrons in 1 cm3 of metal would be of the order of
10. Stress relaxation is- the phenomenon
ll. The elastic stress strain behavior of rubber is
12. Isotropic materials are those which have the same
13. Recrystallization temperature is one
14. Points of arrest for iron correspond to
15. Delta iron occurs at temperature of
16. A material is known as allotropic or polymorphic if it
17. Super conduction by metals is observed in the temperature range of
18. Which of the following constituents of steels is softest and least strong
19. Which of the following represents the allotropic forms of iron
20. The following types of materials are usually the most ductile
21. Pure iron is the structure of
22. The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is
23. Gamma iron exits at following temperature
24. Ferromagnetic alpha iron exists in temperature range of
25. Paramagnetic alpha iron changes to gamma iron at
26. A reversible change in the atomic structure of steel with corresponding change in the properties is known as
27. The molecules in a solid move
28. The crystal structure of gamma iron is
29. The crystal of alpha iron is
30. The metallic structure of mild steel is
31. For the allotropic forms of iron, the points of arrest are
32. The percentage of carbon in pig iron varies from
33. The percentage of carbon in grey iron castings usually varies between
34. Pig iron is the name given to
35. The unique property of cast iron is its high
36. Cast iron is characterized by minimum of following %age of carbon
37. In grey cast iron, carbon is present in the form of
38. In nodular iron, graphite is in the form of
39. In malleable iron, carbon is present in the form of
40. Wrought iron is _______.
41. Sulfur in pig iron tends to make it
42. Pick up wrong statement about wrought iron
43. Iron is _______.
44. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as
45. Chilled cast iron has
46. Cast iron has
47. White cast iron contains carbon in the form of
48. In mottled cast iron, carbon is available in
49. An important property of high silicon (12 - 18%) cast iron is the high
50. An important property of malleable cast iron in comparison to grey cast iron is the high
51. Steel contains ________.
52. Carbon steel is _______.
53. Annealing of white cast iron results in production of
54. 'Killed steels' are those steels
55. Hardness of steel depends on
56. Maximum percentage of carbon in ferrite is
57. Maximum percentage of carbon in Austen is
58. Corrosion resistance of steel is increased by addition of
59. In which of the following cases, consideration of creep is important
60. The most effective inhibitor of grain growth, when added in small quantities is
61. Depth of hardness of steel is increased by addition of
62. Railway rails are normally made of
63. Pick up the wrong statement
64. Pick up the wrong statement Nickel and chromium in steel help in
65. Machining properties of steel are improved by adding
66. Eutectic steel contains following percentage of carbon
67. The basic constituents of Hastelloy are
68. Basic constituents of Monel metal are
69. German silver is an alloy of
70. Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is
71. A cold chisel is made of
72. An engineer's hammer is made of
73. Inconel is an alloy of
74. By severely deforming a metal in a particular direction it becomes
75. Solder is an alloy consisting of
76. Cyaniding is the process of
77. Induction hardening is the process of
78. The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as
79. Process of austempering results in
80. The surface hardness of the following order is achieved by nitriding operation
81. Hardness of martensite is about
82. Weld decay is the phenomenon found with
83. Materials after cold working are subjected to following process to relieve stresses
84. Hardness of upper bainite (acicular structure) is about
85. Carbon in iron is an example of
86. Brass (alloy of copper and zinc) is an example of
87. Which is false statement about annealing.Annealing is done to
88. Argentite is the principal ore or raw material for
89. Hardness of lower bainite (tempered martensite) is about
91. Which is false statement about normalis¬ing. Normalising is done to
92. Vanadium in high speed steels
93. Amorphous material is one
94. Dislocations in materials refer to the following type of defect
95. An example of amorphous material is
96. Which is false statement about tempering.Tempering is done to
97. Which is false statement about case hardening. Case hardening is done by
98. Which of the following is the binding material in cemented carbides
99. Chromium in steel ______.
100. Manganese in steel increases its _____.
2. Malleability of a material can be defined as _____.
3. In compression, a prism of brittle material will break _____.
4. The ability of a material to resist softening at high temperature is known as
5. Mild steel belongs to the following category
6. The ultimate tensile strength of low carbon steel by working at a high strain rate will
7. Slow plastic defoliation of metals under a constant stress is known as
8. The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will
9. The number of electrons in 1 cm3 of metal would be of the order of
10. Stress relaxation is- the phenomenon
ll. The elastic stress strain behavior of rubber is
12. Isotropic materials are those which have the same
13. Recrystallization temperature is one
14. Points of arrest for iron correspond to
15. Delta iron occurs at temperature of
16. A material is known as allotropic or polymorphic if it
17. Super conduction by metals is observed in the temperature range of
18. Which of the following constituents of steels is softest and least strong
19. Which of the following represents the allotropic forms of iron
20. The following types of materials are usually the most ductile
21. Pure iron is the structure of
22. The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is
23. Gamma iron exits at following temperature
24. Ferromagnetic alpha iron exists in temperature range of
25. Paramagnetic alpha iron changes to gamma iron at
26. A reversible change in the atomic structure of steel with corresponding change in the properties is known as
27. The molecules in a solid move
28. The crystal structure of gamma iron is
29. The crystal of alpha iron is
30. The metallic structure of mild steel is
31. For the allotropic forms of iron, the points of arrest are
32. The percentage of carbon in pig iron varies from
33. The percentage of carbon in grey iron castings usually varies between
34. Pig iron is the name given to
35. The unique property of cast iron is its high
36. Cast iron is characterized by minimum of following %age of carbon
37. In grey cast iron, carbon is present in the form of
38. In nodular iron, graphite is in the form of
39. In malleable iron, carbon is present in the form of
40. Wrought iron is _______.
41. Sulfur in pig iron tends to make it
42. Pick up wrong statement about wrought iron
43. Iron is _______.
44. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as
45. Chilled cast iron has
46. Cast iron has
47. White cast iron contains carbon in the form of
48. In mottled cast iron, carbon is available in
49. An important property of high silicon (12 - 18%) cast iron is the high
50. An important property of malleable cast iron in comparison to grey cast iron is the high
51. Steel contains ________.
52. Carbon steel is _______.
53. Annealing of white cast iron results in production of
54. 'Killed steels' are those steels
55. Hardness of steel depends on
56. Maximum percentage of carbon in ferrite is
57. Maximum percentage of carbon in Austen is
58. Corrosion resistance of steel is increased by addition of
59. In which of the following cases, consideration of creep is important
60. The most effective inhibitor of grain growth, when added in small quantities is
61. Depth of hardness of steel is increased by addition of
62. Railway rails are normally made of
63. Pick up the wrong statement
64. Pick up the wrong statement Nickel and chromium in steel help in
65. Machining properties of steel are improved by adding
66. Eutectic steel contains following percentage of carbon
67. The basic constituents of Hastelloy are
68. Basic constituents of Monel metal are
69. German silver is an alloy of
70. Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is
71. A cold chisel is made of
72. An engineer's hammer is made of
73. Inconel is an alloy of
74. By severely deforming a metal in a particular direction it becomes
75. Solder is an alloy consisting of
76. Cyaniding is the process of
77. Induction hardening is the process of
78. The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as
79. Process of austempering results in
80. The surface hardness of the following order is achieved by nitriding operation
81. Hardness of martensite is about
82. Weld decay is the phenomenon found with
83. Materials after cold working are subjected to following process to relieve stresses
84. Hardness of upper bainite (acicular structure) is about
85. Carbon in iron is an example of
86. Brass (alloy of copper and zinc) is an example of
87. Which is false statement about annealing.Annealing is done to
88. Argentite is the principal ore or raw material for
89. Hardness of lower bainite (tempered martensite) is about
91. Which is false statement about normalis¬ing. Normalising is done to
92. Vanadium in high speed steels
93. Amorphous material is one
94. Dislocations in materials refer to the following type of defect
95. An example of amorphous material is
96. Which is false statement about tempering.Tempering is done to
97. Which is false statement about case hardening. Case hardening is done by
98. Which of the following is the binding material in cemented carbides
99. Chromium in steel ______.
100. Manganese in steel increases its _____.
No comments:
Post a Comment