61. In fluid flow, heat and mass transfer, one encounters (i) kinematic viscosity μ (ii) molecular diffusivity (θ) and (iii) thermal diffusivity (α) the units of these quantities are:
62. Dislocations are
63. Nusselt number/Biot number varies
64. Maximum upper critical temperature in iron carbon diagram is
65. In general, the ratio of mixing time and circulation in bioreactor is
66. What are the applications of cold rolled steel
67. Consider the following collection of polymer chains.
No. of molecules
10
5
4
2
1
Molecular weight gm.mol-1
2800
3000
1200
3600
1000
Mer unit is ethylene. Atomic weights: carbon (12) and, hydrogen (1). Calculate number average degree of polymerisation.
| No. of molecules | 10 | 5 | 4 | 2 | 1 |
| Molecular weight gm.mol-1 | 2800 | 3000 | 1200 | 3600 | 1000 |
Mer unit is ethylene. Atomic weights: carbon (12) and, hydrogen (1). Calculate number average degree of polymerisation.
68. . . . . . . . . theory is applied for plastic deformation
69. Glycogen, a naturally occurring polymer stored in animals is a
70. Gray cast iron is usually welded by
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