Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Kel-F and teflon Graphite Monel Stainless steel Kel-F and teflon Graphite Monel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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 All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Decreases in proportion to stress Increases very quickly Increases in proportion to stress Decreases very quickly Decreases in proportion to stress Increases very quickly Increases in proportion to stress Decreases very quickly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Hypersil' is a __________ steel. Molybdenum Tungsten Silicon High speed Molybdenum Tungsten Silicon High speed ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sheardising process is used for Cold working on metals Heat treatment of high speed steel None of these Surface coating Cold working on metals Heat treatment of high speed steel None of these Surface coating ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.3 2.5 0.5 0.8 0.3 2.5 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP