Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Vicker's Shore sceleroscope Rockwell F Knoop Vicker's Shore sceleroscope Rockwell F Knoop ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Lead is added to 60:40 brass primarily to improve Machinability Fluidity Corrosion resistance Strength Machinability Fluidity Corrosion resistance Strength ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. None of these 100 50 None of these 100 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by Increasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Decreasing the surface area of the electrodes Increasing the surface area of the electrodes Increasing the concentration of zinc sulphate solution Increasing the concentration of copper sulphate solution Decreasing the surface area of the electrodes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating. Pearlite Martensite Austenite Cementite Pearlite Martensite Austenite Cementite 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 Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation ANSWER DOWNLOAD EXAMIANS APP