Materials and Construction The presence of impurities in iron Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point Increases its melting point Makes it malleable Does not affect its melting point Decreases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Elasticity Ductility Plasticity Malleability Elasticity Ductility Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Water gas generator is made of Cast iron High carbon steel-procelain lined Carbon steel-brick lined Stainless steel-lead lined Cast iron High carbon steel-procelain lined Carbon steel-brick lined Stainless steel-lead lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Quartz Corrundum Topaz Flourite Quartz Corrundum Topaz Flourite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for examining the macro-structure of a material. Visual inspection by naked eye Optical microscope Metallurgical microscope X-rays Visual inspection by naked eye Optical microscope Metallurgical microscope X-rays ANSWER DOWNLOAD EXAMIANS APP
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