Q241
Open questionA hot short metal is
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Q242
Open questionOut of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.
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Q243
Open questionA static fluid can not have
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Q244
Open questionPercentage of differential pressure lost in a venturimeter with a tapering of 15° may be about
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Q245
Open questionMaximum permissible air velocity in pipelines is about __________ metre/second.
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Q246
Open questionAluminium oxide (an abrasive) is used for grinding
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Q247
Open questionFor infinite parallel planes having emis-sivities & , the interchange factor for radiation from surface 1 to surface 2 is given by
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Q248
Open questionIn case of simple harmonic motion, displacement is proportional to the
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Q249
Open questionThe refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is
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Q250
Open questionThe path and movements followed by men, materials & equipments in executing the activities is indicated by the
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Q251
Open question__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.
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Q252
Open questionWhich of the following low melting alloy containing bismuth and lead is used for electric fuse ?
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Q253
Open questionAdhesives
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Q254
Open questionThe most commonly used material for sewers for carrying sewage in the normal situation is
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Q255
Open questionIn case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.
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Q256
Open questionAgeing of steel refers to the
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Q257
Open questionThe main reducing agent in iron blast furnace is
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Q258
Open questionMain constituent of bone ash is
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Q259
Open questionpH value of rain water in India ranges from
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Q260
Open questionSlight displacement of a floating body in liquid makes it to oscillate about its
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