Materials and Construction As the impurities are oxidised, the melting point of iron Decreases Remains unchanged Increases May increase or decrease ; unpredictable Decreases Remains unchanged Increases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Evaporator used for concentrating tomato juice is made of Cast iron-rubber lined Brass Nickel Stainless steel-glass lined Cast iron-rubber lined Brass Nickel Stainless steel-glass lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called Mild steel High carbon steel Wrought iron None of these Mild steel High carbon steel Wrought iron None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Neither A nor B Copper Magnesium Both A & B Neither A nor B Copper Magnesium Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for examining the macro-structure of a material. Optical microscope X-rays Metallurgical microscope Visual inspection by naked eye Optical microscope X-rays Metallurgical microscope Visual inspection by naked eye ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ can replace tungsten in high speed steel, Chromium Vanadium Cobalt Molybdenum Chromium Vanadium Cobalt Molybdenum ANSWER DOWNLOAD EXAMIANS APP
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