Chemical Engineering Basics The process of removal of scale formed during hot rolling of steel is termed as Pickling Descaling Skimming Shot blasting Pickling Descaling Skimming Shot blasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. Three One Two None of these Three One Two None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Is immaterial Can be prevented by proper design Causes heat loss due to poor heat transfer Decreased compressor power Is immaterial Can be prevented by proper design Causes heat loss due to poor heat transfer Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Martensite Troostite Sorbite Bainite Martensite Troostite Sorbite Bainite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Corrosion rate can not be lowered by reducing the __________ of the corroding medium. Concentration None of these Temperature Velocity Concentration None of these Temperature Velocity 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 & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Cobalt, chromium & nickel Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP