Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Motors. All of these. Generators. Hoist. Motors. All of these. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently none of above. hardness steel. soft iron. stainless steel. none of above. hardness steel. soft iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in generators. loud speakers. motors. all of above. generators. loud speakers. motors. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of iron, cobalt, nickel. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, aluminium. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. aluminium. copper. pure iron. lead. aluminium. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP