Materials and Construction In drop forging process, the forging is done by dropping the __________ at high velocity. Workpiece Weight on hammer Hammer Die with hammer Workpiece Weight on hammer Hammer Die with hammer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Remains unchanged Increases Decreases May increase or decrease ; unpredictable Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Tin and wood High silicon iron, Kel-F and teflon Stainless steel Silicone rubber Tin and wood High silicon iron, Kel-F and teflon Stainless steel Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Poly vinyl chloride Polystyrene Polythene Bakelite Poly vinyl chloride Polystyrene Polythene Bakelite 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 Are used for leaf and coiled springs Do not require heat treatment for any of its applications Do not have good resilience properties Is tempered at 850°C Are used for leaf and coiled springs Do not require heat treatment for any of its applications ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & carbon Platinum & mercury Iron & mercury None of these Iron & carbon Platinum & mercury Iron & mercury None of these ANSWER DOWNLOAD EXAMIANS APP
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