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Basic Designer and Virtual Verifier (Mechanical) Practice Test: Thermo-mechanical Analysis
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Basic Designer and Virtual Verifier (Mechanical) Practice Test: Thermo-mechanical Analysis
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25 Questions

1. What is the correct formula for the rate of heat transfer (q) through a plane wall of thickness l and surface are A, when temperature difference between two surfaces is ΔT.
The thermal conductivity is k.
2. On stiffness and loagathering ds, the system of equations is given by...............   .
3. Steady state heat conduction takes place in............... .
4. Critical thickness insulation stands for............... .
5. Thermal conductivity of solid metals with rise in temperature normally.
6. Unit of thermal conductivity in S.I. units is...............   .
7. The equation for thermal stress in each element is...............   .
8. Thermal conductivity of non-metallic amorphous solids with decrease in temperature.
9. Two physical systems are in thermal equilibrium when ............... .
10. Temperature variation in a plane wall with uniform heat generation is...............     .
11. Which is among the following properties of the fluid, which offers resistance to the movement of one layer of the fluid over another adjacent layer of the fluid?
12. The nature of loading at various locations and other surfaces conditions called          .
13. The sum of the shape function is equal to...............   .
14. How does the thermal conductivity of a material change with respect to change in temperature of the same material?
15. The following volume of air is required for consuming 1 litre of fuel by a four stroke engine is...............   .
16. Variation of thermal conductivity of a non conductor with temperature is...............   .
17. The welding in which the joining metals are actually melted down and joining is carried out by further solidification is called as...............   .
18. Example of steady state conduction is in............... .
19. Range of thermal conductivities for liquids is...............   .
20. An example of fusion welding is............... .
21. Range of thermal conductivity of pure metals is...............   .
22. Poisson's ratio gives a relationship between............... .
23. Axis-Symmetric element is element.
24. Range of thermal conductivity for insulating and building material is............... .
25. Which of the following energy is not high grade energy?