Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. None of these Free graphite Cementite Both A and B None of these Free graphite Cementite Both A and B ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Manganese Nickel Magnesium Silicon Manganese Nickel Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Normalizing Full annealing Martempering Hardening and cold working Normalizing Full annealing Martempering Hardening and cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Less than 7 Greater than 7 pH value has nothing to do with neutral solution Equal to 7 Less than 7 Greater than 7 pH value has nothing to do with neutral solution Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 400°C to 600°C 600°C to 900°C 1400°C to 1530°C 900°C to 1400°C 400°C to 600°C 600°C to 900°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP