Materials and Construction Soap kettle used in the production of laundry soap is made of Concrete Steel with top section nickel clad or stainless steel Cast iron Nickel Concrete Steel with top section nickel clad or stainless steel Cast iron Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is done (in electric furnace) at __________ °C. 910 2210 1720 510 910 2210 1720 510 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point Increases its melting point Does not affect its melting point Makes it malleable Decreases its melting point 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 Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Lead lined steel Stainless steel Cast iron Refractory blocks Lead lined steel Stainless steel Cast iron Refractory blocks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Magnesium Arsenic copper Aluminium Nickel Magnesium Arsenic copper Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP