Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & nickel Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & nickel 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 A suitable lubricant used for watches is Hazel-nut oil Grease Palm oil Metallic soap solution Hazel-nut oil Grease Palm oil Metallic soap solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ is the most suitable lubricant for drawing mild steel wires? Kerosene Lime water Sodium stearate Water Kerosene Lime water Sodium stearate Water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Austenite Pearlite Cementite Martensite Austenite Pearlite Cementite Martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The main function of the deaerator used in the thermal power plant is to Remove non-condensable gases from condenser Remove dissolved gases from feed-water Throttle down the steam pressure Enhance feed water temperature Remove non-condensable gases from condenser Remove dissolved gases from feed-water Throttle down the steam pressure Enhance feed water temperature ANSWER DOWNLOAD EXAMIANS APP
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