Chemical Engineering Basics __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. Bell and Spigot Expansion Collar Flanged Bell and Spigot Expansion Collar Flanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Density variation is maximum Velocity gradient is flat Shear stress is zero Shear stress is maximum Density variation is maximum Velocity gradient is flat Shear stress is zero Shear stress is maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Austenite Cementite Martensite Pearlite Austenite Cementite Martensite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial Causes heat loss due to poor heat transfer Can be prevented by proper design Decreased compressor power Is immaterial ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics During sensible cooling of air, its wet bulb temperature Decreases & the dew point increases Increases but dew point remains constant Decreases but dew point remains constant Increases & the dew point decreases Decreases & the dew point increases Increases but dew point remains constant Decreases but dew point remains constant Increases & the dew point decreases ANSWER DOWNLOAD EXAMIANS APP
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