Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its high heat transfer rate Its higher co-efficient of performance (COP) Its low unit weight per ton of refrigeration Low temperature encountered at high altitude Its high heat transfer rate 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 Retained austenite 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In extrusion of metals, which of the following statement is true ? Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Redundant work is a function of the die angle Relative motion between the billet surface and the container wall is always present Speed of the extruded material is same as that of ram speed Hollow ram is used for indirect extrusion Redundant work is a function of the die angle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Swaging is a/an __________ operation. Extrusion Forging Piercing Drawing Extrusion Forging Piercing Drawing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C. 959 1493 1147 597 959 1493 1147 597 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dies for wire drawing are generally made of Mild steel High carbon steel Carbides Stainless steel Mild steel High carbon steel Carbides Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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