Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A jig is used while __________ a hole. Boring Enlarging Drilling Counter boring Boring Enlarging Drilling Counter boring ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Corrosion resistant Prone to season cracking Machinable Abrasion resistant Corrosion resistant Prone to season cracking Machinable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ test can be termed as the semi-distructive test. Impact Hardness Torsion Charpy Impact Hardness Torsion Charpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke None of these Pressure after compression to that before compression Volume of air in cylinder before compression to that after compression Clearance volume to the volume swept by piston per stroke None of these 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 Relatively high sulphur content in the base metal Retained austenite Martensite formation Sufficient hydrogen present in the welding arc Relatively high sulphur content in the base metal Retained austenite Martensite formation ANSWER DOWNLOAD EXAMIANS APP