Q. Puddling process is used for converting pig iron into

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Q. Addition of __________ in steel can help in increasing the depth of hardness.

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Q. Springback in sheet metal bending depends on the

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Q. The yield point in fatigue loading compared to that in static loading is less. The ratio of ultimate tensile strength to endurance limit of a material subjected to fatigue loading is

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Q. Which of the following is not used as a fuel in rocket propellaht ?

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Q. Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.

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Q. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

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Q. The function of a nozzle provided in steam turbine is to

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Q. Which of the following polymers is obtained by copolymerisation of three monomers ?

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Q. Silicon percentage in the silicon steel used for electrical appliances/equipments is

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Q. Material of construction of foundary crucible is

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Q. Titanium can be easily welded using __________ welding.

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Q. __________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.

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Q. Machinability of hard alloys & tool steels is improved by

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Q. LASER

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Q. __________ forces do not act in case of fluids.

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Q. Which of the following is not a natural abrasive ?

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Q. The ultimate strength in tension for steel is __________ times the ultimate strength in shear.

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Q. The activity of pure hydrogen gas at 1000°C and 5 atm pressure

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Q. Which of the following transducers is most commonly used for the measurement of shock and vibration ?

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