• 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
Which of the following has the lowest electrical resistivity?

Zircon
Alumina
Graphite
Fireclay

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Sillimanite is a __________ refractory.

High alumina
Insulating
Neutral
Basic

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Refractory materials are never used in the construction of

Ovens & retorts
Orton cones
Pressure vessels
Segar cones

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to

Fusion under load
Thermal spalling
Slag attack
CO attack

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
An indication of degree of firing in silica brick is its

None of these
RUL
Fusion point
Specific gravity

ANSWER DOWNLOAD EXAMIANS APP

Refractory Technology
Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² .

150
250
65
450

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
↑