Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Retained austenite Martensite formation 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A suitable lubricant used for watches is Palm oil Grease Hazel-nut oil Metallic soap solution Palm oil Grease Hazel-nut oil Metallic soap solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Source of heat supply in a cupola is Coke Lumpy coal Pulverised coal Charcoal Coke Lumpy coal Pulverised coal Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A jig is used while __________ a hole. Enlarging Boring Drilling Counter boring Enlarging Boring Drilling Counter boring ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system Consumer minimum horse power Has very high C.O.P Employs minimum quantity of refrigerant Is as light as possible Consumer minimum horse power Has very high C.O.P Employs minimum quantity of refrigerant Is as light as possible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface Initiation of crack from below the surface does not occur Plastic deformation of material does not occur Initation of crack occurs on the surface of the machine part ANSWER DOWNLOAD EXAMIANS APP