Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the lowest Between the first & second Between the second & third Above the highest Above the lowest Between the first & second Between the second & third Above the highest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature None of these Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Fatigue Creep None of these Endurance Fatigue Creep None of these Endurance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Cast iron Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow and progressive deformation of a material with time under constant stress is called Resilience Creep Erosion None of these Resilience Creep Erosion None of these ANSWER DOWNLOAD EXAMIANS APP