Q. While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

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Q. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

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Q. The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

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Q. A material having good damping property is likely to have

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Q. Exposure to __________ accelarates the degradation of plastics.

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Q. Steel produced from phosphatic iron is __________ in nature.

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Q. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

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Q. Out of the following, the most melleable material is

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Q. Addition of silicon to aluminium improves its

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Q. Which of the following properties of a solid is not dependent on crystal imperfection ?

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Q. In a good rimming steel

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Q. Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

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Q. Cold chiesel & hammers are made of

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Q. Which of the following does not lower the surface tension of liquids ?

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Q. __________ property of a material is determined by the Herbert Pendulum device.

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Q. Cathodic protection is widely used in controlling corrosion in

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Q. Methyl orange indicator turns

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Q. Cold chiesel's hammers are made of

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Q. In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

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Q. Atomic __________ is a whole number for an element.

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