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71
The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it, is defined as the
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Answer: Option C
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72
__________ of hard alloy and tool steel is done to make it easily machinable.
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Answer: Option B
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73
Ultimate strength in tension as compared to that in shear for steel is
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Answer: Option C
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74
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is
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Answer: Option D
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75
Sub zero treatment of steel is done to
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Answer: Option C
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76
__________ can replace tungsten in high speed steel.
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Answer: Option D
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77
'Flare tower' used in industry is meant for
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Answer: Option A
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78
A jig is used while __________ a hole.
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Answer: Option C
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79
Which of the following heat treatment processes is usually applied to castings ?
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Answer: Option D
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80
Boiler draught of 10 mm water column is equivalent to
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Answer: Option B
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