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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Q. The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.

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Q. __________ addition increases the depth of hardness of steel.

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Q. Fluorine is not a constituent of

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Q. The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.

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Q. During solid state sintering of powders, the following mechanism can be active.

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Q. The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

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Q. Regeneration of molecular seive requires it to be heated to a temperature of about __________ °C.

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Q. Steels with high carbon equivalent have poor weldability, because in these steels during welding

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Q. If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?

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