Q181
Open questionOut of the following, which will fracture most readity, when hit with a hard hammer ?
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Q182
Open questionDezincification is a form of corrosion, which specifically applies to
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Q183
Open questionOxyacetylene reducing flame is used while carrying out welding on
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Q184
Open questionOxyacetylene reducing flame is used while carrying out welding on
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Q185
Open questionIf the head is doubled in & centrifugal pump, the power required will increase in the ratio of
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Q186
Open questionTwo wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of
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Q187
Open question__________ of air does not increase with increase in temperature.
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Q188
Open questionNusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as
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Q189
Open questionOxygen cylinders used for autogenous (cutting/welding) purposes are
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Q190
Open questionTo improve the machinability of steel, it is generally subjected to
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Q191
Open questionOut of the following, the most ductile material is
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Q192
Open questionWith increase in temperature, the surface tension of water
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Q193
Open questionTwo solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution
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Q194
Open questionThe heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
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Q195
Open questionCompression ratio of an I.C. engine is the ratio of the
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Q196
Open questionLead is added to 60:40 brass primarily to improve
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Q197
Open questionSpecific __________ is a dimensionless quantity.
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Q198
Open questionThe size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.
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Q199
Open questionScaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)2 __________ with increasing temperature.
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Q200
Open questionOut of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
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