Materials and Construction Cast iron vessels are not suitable for the storage of Freon Wet SO₂ H₂SO₄ (fuming) H₂SO₄ (95%) at room temperature Freon Wet SO₂ H₂SO₄ (fuming) H₂SO₄ (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Copper and aluminium Zinc and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead Copper and aluminium Zinc and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing Twinning ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? None of these Iron & carbon Platinum & mercury Iron & mercury None of these Iron & carbon Platinum & mercury Iron & mercury ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel and molybdenum are the basic constituents of Hastealloy Solder Inconel German silver Hastealloy Solder Inconel German silver 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 Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory ANSWER DOWNLOAD EXAMIANS APP