• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Refractory Technology

Refractory Technology
The main raw material for manufacture of silicon carbide refractories is

Carborundum
Bauxite
Corrundum
Periclase

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Lower part of hot metal mixer are lined with __________ bricks.

Carborundum
Superduty fireclay
Silica
High alumina

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of

Crucibles used for melting of high purity metals
Muffles for muffle furnaces
Insulating bricks
Segar cones

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Addition of zircon to silica refractory brick improves its

Resistance to slag attack
Crushing strength
Neither A nor B
Neither A nor B

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors.

Beryllia
Thoria
Carborundum
Corundum

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent.

Silica
Fireclay
Magnesite
Corundum

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Refractory Technology

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑