Materials and Construction Polythene (low or high density) containers are not corroded by Any of these Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Any of these Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Nitric acid (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood metal is not used for making Storage tank for storing brine and caustic soda Soft solder Fusible safety plug for pressure cooker Casting for dental work Storage tank for storing brine and caustic soda Soft solder Fusible safety plug for pressure cooker Casting for dental work 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 Purity of electrical grade aluminium should be ≥ __________ percent. 95 99.5 85 90 95 99.5 85 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Shot blasting Heating Annealing Cold working Shot blasting Heating Annealing Cold working ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (95%) Sulphuric acid Hydrochloric acid (10%) None of these Hydrochloric acid (95%) Sulphuric acid Hydrochloric acid (10%) None of these ANSWER DOWNLOAD EXAMIANS APP
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