Materials and Construction To improve the machinability of steel by its softening, it is subjected to Heating Cold working Shot blasting Annealing Heating Cold working Shot blasting Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Having excellent chemical & high temperature resistance (upto 200°C) All of these Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) All of these Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel Rubber Glass Nickel Monel Rubber Glass Nickel Monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 250 5 500 100 250 5 500 100 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.5 0.35 0.2 0.02 0.5 0.35 0.2 0.02 ANSWER DOWNLOAD EXAMIANS APP