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 Presence of nitrogen in steel Increases its strength Is desirable Increases its hardness Makes it brittle Increases its strength Is desirable Increases its hardness Makes it brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a Lead base alloy Tin base alloy Pure metal White metal Lead base alloy Tin base alloy Pure metal White metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Beryllium Manganese Copper Iron Beryllium Manganese Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Silica Tar-dolomite Low thermal conductivity Fire clay Silica Tar-dolomite Low thermal conductivity Fire clay ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) 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 Do not require heat treatment for any of its applications Are used for leaf and coiled springs ANSWER DOWNLOAD EXAMIANS APP
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