The unit of gc is

Related Questions

1. Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C…
2. While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen…
3. In extrusion of metals, which of the following statement is true?
4. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________…
5. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
6. Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute…
7. Oxide layer formed on the non-ferrous metal surface after its annealing is
8. Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal &…
9. The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
10. Desalination of water
11. Thermal efficiency of an internal combustion engine is around __________ percent.
12. Steel & cast iron pipes are produced by __________ casting.
13. There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
14. Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
15. An alloy of Fe - 0.4 % C is
16. The most suitable material of construction for a sewer to carry sewage under high pressure is
17. __________ is used as a material of construction for the blade of power saw.
18. The starting of a car takes time in winter, because the
19. Silicon percentage in silicon steel used for electrical equipments is about
20. Good design of the casing of a centrifugal pump aims at minimising the
21. In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
22. Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
23. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
24. Highest cutting speed is achieved by the __________ tool material.
25. Pick out the correct statement.
26. Fatigue limit improvement by over stressing the metal by successively increasing the load is called…
27. Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
28. Constituents of stellite are
29. Aluminium is extracted from
30. The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

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