Q341
Open questionA freely floating object is stable, if its centre of buoyancy
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Q342
Open question__________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.
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Q343
Open questionAn atom bomb works on the principle of
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Q344
Open questionDamage to metal surface by mechanical action is called
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Q345
Open questionScrews are specified by their __________ diameters.
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Q346
Open questionThe following is a typical anionic collector used in flotation.
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Q347
Open questionWith increase in compression ratio, the volumetric efficiency of air compressor
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Q348
Open questionThe thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by
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Q349
Open questionWhat is the range of tempering temperature (°C) for most of the materials ?
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Q350
Open questionStreaklines, streamlines & pathlines are almost identical for __________ fluid flow.
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Q351
Open question__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
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Q352
Open questionProduction of a hollow product by inflation of a tube or parison is called the __________ process.
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Q353
Open questionThe maximum percentage of chromium that can be added to steel is about
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Q354
Open questionVernier calipers can not be used to measure the
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Q355
Open questionThe majority charge carriers in p-type silicon are
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Q356
Open questionWater hammer is caused in steam carrying pipelines, because of
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Q357
Open questionCascade control is
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Q358
Open questionCase hardening is not done by
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Q359
Open questionCassiterite is an ore of
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Q360
Open questionWhich of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
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