Materials and Construction Which of the following is produced by addition polymerisation? Urea-formaldehyde Phenol formaldehyde Polybutadiene Dacron Urea-formaldehyde Phenol formaldehyde Polybutadiene Dacron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Biological shield in a nuclear power reactor is made of Concrete Cadmium Zircalloy Steel Concrete Cadmium Zircalloy Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Aluminium Noble metals (Ag, Pt, Au) Alkali metals (K, Na, Li) Zinc Aluminium Noble metals (Ag, Pt, Au) Alkali metals (K, Na, Li) Zinc 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 Induction motors Armature of small motors/generators Generators and small motors High frequency transformers Induction motors Armature of small motors/generators Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Short of antifrictional properties Yellow metals Having homogenous microstructure Tin or lead based alloys Short of antifrictional properties Yellow metals Having homogenous microstructure Tin or lead based alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating is not done by Spraying Vaporising Electro deposition Hot dipping Spraying Vaporising Electro deposition Hot dipping ANSWER DOWNLOAD EXAMIANS APP
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