Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. All matter is composed of atoms. Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons and neutrons. electrons. electrons and protons. protons. protons and neutrons. electrons. electrons and protons. protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from ferric-oxide. iron-dust. small particles of iron. silicon-iron. ferric-oxide. iron-dust. small particles of iron. silicon-iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are repel other. none of above. dipoles are attract each other. both are correct. dipoles are repel other. none of above. dipoles are attract each other. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP