Materials and Construction Silicone rubber is not resistant to the corrosive action of Both B and C Sulphuric acid (95%) Ether Sulphuric acid (10%) Both B and C Sulphuric acid (95%) Ether Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Lead Aluminium Cadmium Magnesium Lead Aluminium Cadmium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Stainless steel Monel Kel-F and teflon Graphite Stainless steel Monel Kel-F and teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Polybutadiene Phenol formaldehyde Urea-formaldehyde Dacron Polybutadiene Phenol formaldehyde Urea-formaldehyde Dacron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and Moving mercury and crimped steel wire Moving mercury and graphite Moving mercury and carbon Graphite and moving mercury Moving mercury and crimped steel wire Moving mercury and graphite Moving mercury and carbon Graphite and moving mercury ANSWER DOWNLOAD EXAMIANS APP
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