Q. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

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Q. The path and movements followed by men, materials & equipments in executing the activities is indicated by the

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Q. Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.

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Q. Which of the following parameters is actually measured during tensile testing of a specimen using Universal testing machine?

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Q. 'End cooler' or 'after cooler' is employed in air compressor mainly to

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Q. Streaklines, streamlines & pathlines are almost identical for __________ fluid flow.

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Q. The suction and delivery pressure for a two stage compressor are 1 and 25 atm respectively. The intermediate stage pressure would be around __________ atm.

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Q. __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

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Q. Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

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Q. Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.

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Q. Heat dissipation in cooling towers is mainly by

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Q. In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases

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Q. Maraging steels derive their strength from the following mechanism:

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Q. Ceramic compounds as compared to metallic compounds

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Q. Pressure exerted by a liquid depends upon its

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Q. The most detrimental impurity in high pressure boiler feed water is

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Q. Pick out the wrong statement.

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Q. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

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Q. The material used for coating the welding electrode is termed as the

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Q. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

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