Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Tungsten Nickel Vanadium Chromium Tungsten Nickel Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Stainless steel Refractory blocks Cast iron Lead lined steel Stainless steel Refractory blocks Cast iron Lead lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most prone to atmospheric corrosion? Silver Tin Iron Copper Silver Tin Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 5 100 250 500 5 100 250 500 ANSWER DOWNLOAD EXAMIANS APP
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