Search
.Management Sciences
A. 2-3
B. 5-7
C. 7-12
D. 14-20
Related Mcqs:
- Refractory materials are never used in the construction of _________________?
- A. Segar cones B. Orton cones C. Pressure vessels D. Ovens & retorts...
- Rotary kilns meant for calcination of limestone are lined with chrome magnesite in ______________ zone?
- A. Preheating B. Cooling C. Burning D. All the above...
- Quartz is___________________?
- A. Stable form of silica upto 870°C B. Converted to Tridymite on firing between 870 to 1470°C C. Transformed to Cristobalite on heating above 1470°C D. All A., B. and C....
- Periclase refractory contains mainly________________?
- A. CaO B. MgO C. Al2O3 D. SiO2...
- Chromite refractories are_____________________?
- A. Acidic refractory B. Neutral refractory C. Basic refractory D. Fired at a temperature of 600°C only...
Recent Comments