Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Cast iron Wrought iron Mild steel Brass Cast iron Wrought iron Mild steel Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In circular motion In a haphazard way In a random manner Back and forth like tiny pendulums In circular motion In a haphazard way In a random manner Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect None of these Point defect Line defect Surface defect None of these Point defect Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.35 to 0.45% 0.4 to 0.6% 0.0004 0.6 to 0.8% 0.35 to 0.45% 0.4 to 0.6% 0.0004 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS