Q. Enzymes belong to the category of

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Q. What is the value of included angle of a triangular notch for maximum discharge ?

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Q. For separating small pieces of metal from engine oil of a car, the best separating technique is the

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Q. Dephosphorisation of molten pig iron is favoured by

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Q. In a neutral solution

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Q. Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

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Q. Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

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Q. A common disinfectant used in village wells for disinfection of water is

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Q. Which of the following is an unconventional source of energy ?

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Q. The product (s) of roasting of a sulphide ore is (are)

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Q. Which of the following are considered applications of ultrasonic testing ?

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Q. Suitability of steel for its use in cable is judged by its strength in

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Q. Hydrogen in liquid steels is dissolved

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Q. Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

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Q. Which of the following metals can not be hot worked at room temperature ?

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Q. Primary designation of steel is based on its

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Q. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

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Q. Superheating of steam is done at constant

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Q. Dry saturated steam can be converted into superheated steam by

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Q. Pick out the wrong statement.

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