Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Lead Aluminium Magnesium Cadmium Lead Aluminium Magnesium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Out of the following, copper vessels are the most suitable for the storage of Dry chlorine & dry fluorine Bromine Nitric acid (95% and fuming) Phosphoric acid (95%) & sulphuric acid (95% and fuming) Dry chlorine & dry fluorine Bromine Nitric acid (95% and fuming) Phosphoric acid (95%) & sulphuric acid (95% and fuming) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes All of these Its casting unsound Its hard and machinable Its brittle and malleable All of these Its casting unsound Its hard and machinable Its brittle and malleable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C Are used for leaf and coiled springs Do not have good resilience properties Do not require heat treatment for any of its applications Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is used for making Channels Die block Drop forging Fish plates Channels Die block Drop forging Fish plates ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS