Chemical Engineering Basics Function of feed check valve in a boiler is to Prevent the back flow of water Facilitate circulation of high pressure feed water Check the water level in the boiler drum Regulate the water flow to boiler Prevent the back flow of water Facilitate circulation of high pressure feed water Check the water level in the boiler drum Regulate the water flow to boiler ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation 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. Less than Equal to 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rankine cycle comprises of two isothermal and two __________ processes. None of these Isentropic Isobaric Polytropic None of these Isentropic Isobaric Polytropic 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 Relatively high sulphur content in the base metal Retained austenite Sufficient hydrogen present in the welding arc Martensite formation Relatively high sulphur content in the base metal Retained austenite ANSWER DOWNLOAD EXAMIANS APP
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