Chemical Engineering Basics Which of the following is not a characteristic observed in material failure by fatigue fracture ? 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 Plastic deformation of material does not occur Initiation of crack from below the surface 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 Plastic deformation of material does not occur Initiation of crack from below the surface does not occur ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. None of these Three Two One None of these Three Two One ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials used for making permanent magnets containing iron and nickel are made by __________ technique. None of these Forging Casting Powder metallurgy None of these Forging Casting Powder metallurgy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump. Axial flow Electromagnetic Diaphragm Reciprocating Axial flow Electromagnetic Diaphragm Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Low temperature encountered at high altitude Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Its high heat transfer rate Low temperature encountered at high altitude Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Its high heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In the Bayer's process, bauxite is digested under pressure using H₂SO₄ HCl NH₃ NaOH H₂SO₄ HCl NH₃ NaOH ANSWER DOWNLOAD EXAMIANS APP
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