General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 44)
44.
The filament of an electric bulb is made of
Discussion:
13 comments Page 2 of 2.
Er zahid said:
1 decade ago
Melting point 3800 degree.
Abcd said:
1 decade ago
Tungsten has high melting point & resistance.
Divesh d Suvarna said:
1 decade ago
Tungsten was discovered by the Spanish brothers Fausto and Juan Jose de Elhuyar in 1783.
The Element Tungsten is defined as...
A hard, brittle, corrosion-resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal. Tungsten and its alloys are used in high-temperature structural materials; in electrical elements, notably lamp filaments; and in instruments requiring thermally compatible glass-to-metal seals.
Common Uses of Tungsten
Space-age super-alloys
Light bulb filaments - fluorescent lighting
Cemented carbides (also called hardmetals)
Armaments
Jewelry - Tungsten Carbide
The Element Tungsten is defined as...
A hard, brittle, corrosion-resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal. Tungsten and its alloys are used in high-temperature structural materials; in electrical elements, notably lamp filaments; and in instruments requiring thermally compatible glass-to-metal seals.
Common Uses of Tungsten
Space-age super-alloys
Light bulb filaments - fluorescent lighting
Cemented carbides (also called hardmetals)
Armaments
Jewelry - Tungsten Carbide
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers