Chemical Engineering Basics In age-hardenable alloys, maximum ductility is obtained Immediately after solution treatment and subsequent quenching After overageing After optimum ageing In as cast state Immediately after solution treatment and subsequent quenching After overageing After optimum ageing In as cast state 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. Greater than Either A, B or C; depends on the size of atom Less than Equal to Greater than Either A, B or C; depends on the size of atom Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ? It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases Economiser tube life increases due to handling of low temperature water It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water Scale formation rate on economiser tubes increases Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases Economiser tube life increases due to handling of low temperature water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The basic function of the drum in a boiler is to Act as a storage for steam Act as a storage for feed water Separate steam from water Remove settling impurities from steam Act as a storage for steam Act as a storage for feed water Separate steam from water Remove settling impurities from steam ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following contributes maximum as main source of sulphur in the blast furnace charge ? Iron ore Limestone Coke Sinter Iron ore Limestone Coke Sinter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. 1493 1147 723 959 1493 1147 723 959 ANSWER DOWNLOAD EXAMIANS APP
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