Materials and Construction Constantan is an alloy of Pt (95%) & Rh (10%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) Cu (55%) & Sn (45%) Pt (95%) & Rh (10%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) Cu (55%) & Sn (45%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has no effect on the carbide forming tendency in steels? Chromium Molybdenum Phosphorus Vanadium Chromium Molybdenum Phosphorus Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is Manufactured in cupola and is brittle All of these Having compressive strength more than its tensile strength Used for making shock resisting parts Manufactured in cupola and is brittle All of these Having compressive strength more than its tensile strength Used for making shock resisting parts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest compressive strength? Cast iron High carbon steel Mild steel Wrought iron Cast iron High carbon steel Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High corrosion resistance High co-efficient of thermal expansion Low thermal conductivity All of these High corrosion resistance High co-efficient of thermal expansion Low thermal conductivity All 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%)? Induction motors 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 ANSWER DOWNLOAD EXAMIANS APP
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