Chemical Engineering Basics Sub zero treatment of steel is done to Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Suppress martensite transformation Induce temper brittleness after its hardening Reduce the retained austenite in hardened steel Enhance its working performance in sub zero atmosphere Suppress martensite transformation Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. 959 1493 1147 723 959 1493 1147 723 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Either A, B or C; depends on the size of atom Equal to Less than Greater than Either A, B or C; depends on the size of atom Equal to Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Carnot cycle is also termed as the constant __________ cycle in thermodynamics. Heat Pressure Volume Entropy Heat Pressure Volume Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Toughness Internal stress level Softness Machinability Toughness Internal stress level Softness Machinability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Remove dissolved gases from feed-water Remove non-condensable gases from condenser Enhance feed water temperature Throttle down the steam pressure Remove dissolved gases from feed-water Remove non-condensable gases from condenser Enhance feed water temperature Throttle down the steam pressure ANSWER DOWNLOAD EXAMIANS APP
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