Engineering Materials MCQs

[A]. chromium

[B]. silicon

[C]. manganese

[D]. magnesium

[A]. in still air

[B]. slowly in the furnace

[C]. suddenly in a suitable cooling medium

[D]. any one of these

[A]. core defects

[B]. surface defects

[C]. superficial defects

[D]. temporary defects

[A]. oxides

[B]. carbonates

[C]. sulphides

[D]. all of these

[A]. chromium

[B]. nickel

[C]. vanadium

[D]. cobalt

[A]. naked eye

[B]. optical microscope

[C]. metallurgical microscope

[D]. X-ray techniques

[A]. contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal

[B]. have the same orientation and their similar faces are parallel

[C]. may be defined as the smallest parallelopiped which could be transposed in three coordinate directions to build up the space lattice

[D]. all of the above

[A]. amorphous material

[B]. mesomorphous material

[C]. crystalline material

[D]. none of these

[A]. stack

[B]. throat

[C]. bosh

[D]. tuyers

[A]. can be drawn into wires

[B]. breaks with little permanent distortion

[C]. can cut another metal

[D]. can be rolled or hammered into thin sheets