The oxygen atom is ________ times heavier than the hydrogen atom.

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1. Which of the following process can be made reversible with the help of a regenerator?
2. When the gas is heated at constant pressure, the heat supplied
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5. After reaching the yielding stage while testing a mild steel specimen, strain
6. A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________…
7. A continuous beam is one which is
8. Select the wrong statement
9. The gas constant (R) is equal to the __________ of two specific heats.
10. The point of contra flexure is a point where
11. The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx…
12. The intensity of stress which causes unit strain is called
13. When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection…
14. Elasticity of Mild Steel specimen is defined by
15. The stress at which extension of the material takes place more quickly as compared to the increase in…
16. When a thin cylindrical shell is subjected to an internal pressure, the volumetric strain is (where…
17. The energy absorbed in a body, when it is strained within the elastic limits, is known as
18. When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness…
19. The rivets are used for __________ fastenings.
20. According to Kelvin-Planck's statement of second law of thermodynamics,
21. The mass of excess air supplied is equal to
22. For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the…
23. A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The…
24. A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
25. The value of Poisson's ratio for steel is between
26. One molecule of oxygen is __________ times heavier than the hydrogen atom.
27. The gas turbine cycle with regenerator improves
28. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated…
29. The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular…
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