• 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
Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity).

Graphite
Chromite
Fireclay
Carborundum

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Refractories used in/for __________ should have low thermal conductivity.

Regenerators
Insulation
Coke ovens
Muffle furnaces

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Ferromagnetic ceramic material is not used in the

Magnetic switches
Thermal insulation
Transformers
Television sets

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Porosity of fireclay refractories is __________ percent.

43961
44129
25-35
35-50

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Maximum safe working temperature for fireclay bricks is about __________ °C.

1150
1550
1300
1450

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Magnesite chrome bricks are used in the

Soaking pits
Reheating furnaces
All of these
Roof lining of basic open hearth & other basic furnaces

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
↑