Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Ductility and impact strength improves Cracks and blow holes are eliminated Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Strongly In a direction opposite to that of the applied field Only slightly With eddy currents only Strongly In a direction opposite to that of the applied field Only slightly With eddy currents only ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Lower critical Upper critical Eutectic Recrystallisation Lower critical Upper critical Eutectic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chilled iron castings are None of these Highly wear resistant Easily machinable Soft on surface None of these Highly wear resistant Easily machinable Soft on surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vessels made of __________ can be used to store dry chlorine. Steel or iron None of these Thermoplastic materials Nickel Steel or iron None of these Thermoplastic materials Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 50-55 30-35 18-20 43990 50-55 30-35 18-20 43990 ANSWER DOWNLOAD EXAMIANS APP
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