Materials and Construction Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? Karbate Steel Cast iron Nickel Karbate Steel Cast iron Nickel 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%)? Armature of small motors/generators Induction motors High frequency transformers Generators and small motors Armature of small motors/generators Induction motors High frequency transformers Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has no effect on the carbide forming tendency in steels? Vanadium Molybdenum Chromium Phosphorus Vanadium Molybdenum Chromium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is never shipped in glass carboys. Phenol Formaldehyde Acetic acid Ammonia Phenol Formaldehyde Acetic acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 1100 750 900 500 1100 750 900 500 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Short of antifrictional properties Yellow metals Tin or lead based alloys Having homogenous microstructure Short of antifrictional properties Yellow metals Tin or lead based alloys Having homogenous microstructure ANSWER DOWNLOAD EXAMIANS APP