Chemical Engineering Basics Speed of a submarine in deep sea & that of an aeroplane is measured by a/an Stroboscope Rotameter Pitot tube Hot wire anemometer Stroboscope Rotameter Pitot tube Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Sufficient hydrogen present in the welding arc Martensite formation Retained austenite Relatively high sulphur content in the base metal Sufficient hydrogen present in the welding arc Martensite formation Retained austenite Relatively high sulphur content in the base metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) T² 1/T T 1/T² T² 1/T T 1/T² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following welding processes employs the highest welding temperature ? Arc welding Gas welding Resistance welding Thermit welding Arc welding Gas welding Resistance welding Thermit welding ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Increases & the dew point decreases Increases but dew point remains constant Decreases & the dew point increases Decreases but dew point remains constant Increases & the dew point decreases Increases but dew point remains constant Decreases & the dew point increases Decreases but dew point remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power Can be prevented by proper design Causes heat loss due to poor heat transfer Is immaterial Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
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