Q. Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

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Q. Highest cutting speed is achieved by the __________ tool material.

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Q. __________ metal is used as a bearing liner material.

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Q. For an ideal gas, Cᵨ - Cᵥ is

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Q. Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

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Q. Brazing filler metal used for joining steel plates

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Q. Fine grain size in metallic material will

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Q. Pick out the correct statement

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Q. Ammonia gas can be dried by

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Q. Consumable electrodes are used in the __________ welding.

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Q. Magnesium is present in

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Q. The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

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Q. Chalcopyrite is an ore of

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Q. The following is employed as sacrificial anode to provide cathodic protection to ships, pipelines and storage tanks.

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Q. Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

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Q. Increasing the carbon content of steel

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Q. Pick out the wrong statement.

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Q. More than 95% of __________ is present in corrundum.

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Q. Blow off cock is provided in steam boiler to

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Q. Work hardening of a material

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