Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Glass wool and 85% magnesia Vermiculite Slag wool Ceramic fibre blanket Glass wool and 85% magnesia Vermiculite Slag wool ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plasticisers are added to polymers to improve their Acid resistance Alkali resistance Tensile strength Softness & flexibility Acid resistance Alkali resistance Tensile strength Softness & flexibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its hardness Makes it brittle Is desirable Increases its strength Increases its hardness Makes it brittle Is desirable Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at 75° C 150° C 373° K Room temperature 75° C 150° C 373° K Room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Light weight metallic alloy used in aircraft industry is High silicon (14%) iron Phosphor bronze Aluminium Duralumin High silicon (14%) iron Phosphor bronze Aluminium Duralumin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven regenerators are made of __________ bricks. Low thermal conductivity Silica Fire clay High electrical conductivity Low thermal conductivity Silica Fire clay High electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
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