Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Galvanising Zincification Tempering Calorising Galvanising Zincification Tempering Calorising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Magnesium Aluminium Cadmium Lead Magnesium Aluminium Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? High frequency transformers Generators and small motors Armature of small motors/generators Induction motors High frequency transformers Generators and small motors Armature of small motors/generators Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material may occur, when it is subjected to __________ stress. Compressive Torsion Fluctuating Tensile Compressive Torsion Fluctuating Tensile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel is a constituent of Monel metal Bronze Solder Duralumin Monel metal Bronze Solder Duralumin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called Bauschinger effect Hysterisis Hooke's effect Relaxation Bauschinger effect Hysterisis Hooke's effect Relaxation ANSWER DOWNLOAD EXAMIANS APP