Materials and Construction Maximum carbon content in cast iron is __________ percent. 3.8 4.3 5.2 4.8 3.8 4.3 5.2 4.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by Chlorine (dry or wet) Hydrochloric acid SO₂ (dry or wet) All of these Chlorine (dry or wet) Hydrochloric acid SO₂ (dry or wet) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Is heated Rusts Melts None of these Is heated Rusts Melts None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dielectric strength of a material is Its energy stroage capacity A magnetic property Its capacity to withstand high voltage Its capacity to resist the flow of current Its energy stroage capacity A magnetic property Its capacity to withstand high voltage Its capacity to resist the flow of current ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 0.2 2 4 8 0.2 2 4 8 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
EXAMIANS