ExamVeda
Login
Home

Upon addition of sodium oxide to molten silicate slag the viscosity...

This question belongs to Metallurgical Engineering Physical Metallurgy
Physical Metallurgy
?

Upon addition of sodium oxide to molten silicate slag, the viscosity of the slag

Answer & Solution
Correct Answer: Option A
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Physical Metallurgy

A plastically deformed metal crystal at low temperature exhibits wavy slip line pattern due to
A. Dislocation pile-up B. Large number of slip systems C. Low stacking faultenergy D. Dislocation climb
Which of the following microstructures of the eutectic is not observed in binary alloys?
A. Lamellar B. Widmanstatten C. Acicular D. Nodular
Upon addition of sodium oxide to molten silicate slag, the viscosity of the slag
A. decreases because the oxygen ions supplied by the sodium oxide break the chain structure of the silicate slag B. increases because the oxygen ion supplied by the sodium oxide further add to the oxygen network in the slag C. remains unaffected because fundamentally one can not distinguish between the oxygen ions supplied by the sodium oxide and those already present in the slag D. remains unaffected because the oxygen ions fill up the holes and vacancies present in the liquid slag
A 0.4 wt% C steel is austenitised at 900°C for 1 hour and heat treated to get different. inicrostructures. Match the following microstructures to the heat treatments.
P. Martensite + Retained austenite 1. Annealing
Q. Ferrite + fine pearlite 2. Quenching
R. Ferrite + spheroidal cementite 3. Quenching + temperature at 600°C
S. Ferrite + coarse pearlite 4. Normalising
A. P-4, Q-3, R-2, S-1 B. P-1, Q-2, R-3, S-4 C. P-2, Q-4, R-1, S-3 D. P-2, Q-4, R-3, S-1
More Related Questions on Physical Metallurgy