Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Nickel Chromium Tungsten Vanadium Nickel Chromium Tungsten Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Carbon chrome Stainless Free carbon Cast Carbon chrome Stainless Free carbon Cast ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Converted to a fine powder Oxidised Reduced None of these Converted to a fine powder Oxidised Reduced None of these 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%)? Generators and small motors High frequency transformers Armature of small motors/generators Induction motors Generators and small motors High frequency transformers Armature of small motors/generators Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of Carbon steel-brick lined High carbon steel-procelain lined Stainless steel-lead lined Cast iron Carbon steel-brick lined High carbon steel-procelain lined Stainless steel-lead lined Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. Extrusion Injection Compression None of these Extrusion Injection Compression None of these ANSWER DOWNLOAD EXAMIANS APP