Chemical Engineering Refractory Technology
Q Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of______________?
  • A A. Segar cones
  • B B. Muffles for muffle furnaces
  • C C. Insulating bricks
  • D D. Crucibles used for melting of high purity metals
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
Ψ·ΩˆΫŒΩ„ ΨͺΩ†Ϊ― Ψ±Ψ§Ψ³Ψͺہ، Ω†Ψ΄Ψͺوں Ϊ©Ϋ’ Ψ―Ψ±Ω…ΫŒΨ§Ω† Ψ±Ψ§Ψ³Ψͺہ

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