Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bush bearings are made of Mild steel Phosphorous bronze None of these White metal alloys Mild steel Phosphorous bronze None of these White metal alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about One fifth One twelfth One third Half One fifth One twelfth One third Half ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Karbate Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Stainless steel Kel-F and teflon Monel Graphite Stainless steel Kel-F and teflon Monel Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Synthetic detergent solution Wet chlorine Nitric acid (< 25%) Hydrochloric acid (10%) Synthetic detergent solution Wet chlorine Nitric acid (< 25%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP