Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 90 70 50 80 90 70 50 80 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Creep None of these Fatigue Endurance Creep None of these Fatigue Endurance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Fusion Sintering Agglomeration Precipitation Fusion Sintering Agglomeration Precipitation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has a very high carbide forming tendency in steels? Vanadium Chromium Nickel Silicon Vanadium Chromium Nickel Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has Very high tensile strenth Elastic limit close to ultimate breaking strength High ductility High malleability Very high tensile strenth Elastic limit close to ultimate breaking strength High ductility High malleability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS