Materials and Construction In cold working of metal as compared to its hot working Ductility and impact strength improves Appreciable strain hardening is produced Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Appreciable strain hardening is produced Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ alloys have the highest specific strength of all the structural materials out of the following. Titanium Magnesium Chromium Magnetic steel Titanium Magnesium Chromium Magnetic steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used in the production of pencillin (by deep fermentation process) is made of Glass lined steel Procelain High silicon cast iron Glass Glass lined steel Procelain High silicon cast iron Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Plastic Steel Glass Rubber Plastic Steel Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Is paramagnetic below 415° C (its Curie temperature) Is used as an alloying element for both ferrous & non-ferrous alloys Has a body centred cubic (bcc) crystal lattice structure Dimagnetic Is paramagnetic below 415° C (its Curie temperature) Is used as an alloying element for both ferrous & non-ferrous alloys Has a body centred cubic (bcc) crystal lattice structure Dimagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 90 99.5 85 95 90 99.5 85 95 ANSWER DOWNLOAD EXAMIANS APP
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