Materials and Construction Ball bearings are generally made of Stainless steel Chrome carbon steel Malleable cast iron Plain carbon steel Stainless steel Chrome carbon steel Malleable cast iron Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Alkali resistance Acid resistance Tensile strength Softness & flexibility Alkali resistance Acid resistance Tensile strength Softness & flexibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction How many molecules per unit cell are there in a face centred cubic lettice? 4 6 2 8 4 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Boron Gallium Antimony None of these Boron Gallium Antimony None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction German silver is an alloy of copper, nickel and Tin Lead Silver Zinc Tin Lead Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
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