Materials and Construction Polythene (low or high density) containers are not corroded by Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High co-efficient of thermal expansion Low thermal conductivity All of these High corrosion resistance High co-efficient of thermal expansion Low thermal conductivity All of these High corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Karbate is A mixture of iron dust and saw dust An acid resistant material Both B and C Carbon impregnated with resin (usually bakelite) A mixture of iron dust and saw dust An acid resistant material Both B and C Carbon impregnated with resin (usually bakelite) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Dielectric None of these Metal/alloy Semi-conductor Dielectric None of these Metal/alloy Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High resistance electrical heating elements/wire are not made of Nimonic alloys Marageing steel Kanthal wire Nichrome Nimonic alloys Marageing steel Kanthal wire Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most commonly used resin for making reinforced plastic is Nylon-6 Unsaturated polyester Polypropylene Polyurathane Nylon-6 Unsaturated polyester Polypropylene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
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