Spalling resistance of a refractory can not be increased by Options: A . &nbspincreasing its porosity. B . &nbspusing a coarser grog during its manufacture. C . &nbspdecreasing its thermal co-efficient of expansion. D . &nbspmaking it denser.

Spalling resistance of a refractory can not be increased by

Question

Spalling resistance of a refractory can not be increased by

Options:

A . increasing its porosity.

B . using a coarser grog during its manufacture.

C . decreasing its thermal co-efficient of expansion.

D . making it denser.

Answer: Option D
Answer: (d).making it denser.

Was this answer helpful ?

Next Question

Question 1. Ramming masses are used for....

Question 2. Pick out the wrong statement.....

Question 3. Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale.....

Question 4. Addition of grog in fireclay brick during its manufacture is advantageous, because it results in....

Question 5. Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks.....

Question 6. The highest melting pure oxide (m.p. > 3000°C) is....

Question 7. In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °....panel assembly is maintained at __________ °C for 24 hours.

Question 8. Which is not an acidic refractory ?....

Question 9. Natural silica....

Question 10. Thermal conductivity of refractory bricks....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

GPOE / GPA Combined 1 Free Mock Test SAIL JO E-0 2024

ICA Combined 1 Free Revision Test SAIL JO E-0

RDIC Review Test SAIL JO E-0

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

RSP Combined 1 Free Revision Test SAIL JO E-0